Parts

Wheels Manufacturing hangers are stiffer than almost any OEM hanger, which improves durability and shifting performance. - OEM hangers are only produced by a handful of manufacturers, mostly in Taiwan and China. As a result, you will see many bikes with exactly the same hanger. Bicycle manufacturers may make mid year changes. Please use the hanger photos to select the proper hanger for your application. - CNC machined 6061 aluminum - Black anodized finish - Made in the USA

Wheels Manufacturing hangers are stiffer than almost any OEM hanger, which improves durability and shifting performance. - OEM hangers are only produced by a handful of manufacturers, mostly in Taiwan and China. As a result, you will see many bikes with exactly the same hanger. Bicycle manufacturers may make mid year changes. Please use the hanger photos to select the proper hanger for your application. - These hangers DO NOT INCLUDE attachment hardware with the exception of QBP # FS1561 (DROPOUT 399) - CNC machined 6061 aluminum - Made in the USA

Emergency derailleur hanger is designed to temporarily replace a hanger that is damaged or broken on a ride. Anchored in place by the rear quick-release it allows the use of most gears, and more importantly, for the bike to be ridden instead of pushed or carried. - Fits most frames that use a quick-release rear hub - Provides nearly complete shifting range - CNC machined 6061 aluminum - Black anodized finish - Made in the USA

- Affordable and reliable road rim brake wheelset - Black rim and hubs for a more modern look - Semi-aero Alex DA22 rim is light (450g) and stiff - Shimano Tiagra-grade RS400 hubs feature smooth, adjustable cup-and-cone bearings with polished races for superior, long lasting performance - 32 stainless steel spokes and brass nipples for long term reliability - 8-11 speed compatible Shimano HG11 freehub body.

- Position Front - Wheel Diameter/ISO 26'' / 559 - Axle Type QR - Hub Spacing 100mm - Wheel-Brake Comp. Rim - Freehub Body - - Wheel Tire Type Clincher - Rim Material Aluminum -Rim Construction Double wall - Rim Internal Width 18.4mm - Rim inner width range 0-21.9mm - Rim Color Black - Rim Drilling 36 - Hub Model Shimano Acera HB-T3000 - Wheel Weight - - Spoke Type Stainless - Valve Schrader - Rim External Width 24.4mm - Depth 16mm - Rim Model Alex DM18 - Skewers Included Yes

- Quality entry-level 27.5'' MTB disc brake wheelset with 100mm / 141mm QR axle spacing - 141mm O.L.D. rear wheel is the quick-release version of the Boost spacing & a growing standard in entry level MTB - Tubeless-ready Alex MD19 rim is strong and lightweight (470g) - Shimano MT200 hubs feature adjustable cup-and-cone bearings for trouble free long term performance - 32 black stainless steel spokes and brass nipples for long term reliability - Shimano HG freehub body, compatible with most 8 to 10 speed cassettes and some 11 and 12 speed MTB cassettes. See "Documents and links" for more details on compatibility.

- Position Front - Wheel Diameter/ISO 27.5'' / 584 - Axle Type 15mm TA - Hub Spacing 100mm - Wheel-Brake Comp. Disc IS 6-bolt - Freehub Body - - Wheel Tire Type Tubeless Ready - Rim Material Aluminum - Rim Construction Double wall - Rim Internal Width 25mm - Rim inner width range 22-27.9mm - Rim Color Black - Rim Drilling 32 - Hub Model Novatec D791SB - Wheel Weight - - Spoke Type DT Stainless - Valve Presta - Rim External Width 30.4mm - Depth 20mm - Rim Model Alex MD25

- Position Front - Wheel Diameter/ISO 26'' / 559 - Axle Type QR - Hub Spacing 100mm - Wheel-Brake Comp. Rim - Freehub Body - - Wheel Tire Type Clincher - Rim Material Aluminum - Rim Construction Double wall - Rim Internal Width 19mm - Rim inner width range 0-21.9mm - Rim Color Black - Rim Drilling 36 - Hub Model Formula FM-21-QR - Wheel Weight - - Spoke Type Stainless - Valve Schrader - Rim External Width - - Depth 20mm - Rim Model Evo E-Tour 19 - Skewers Included Yes

- Position Front - Wheel Diameter/ISO 700C / 622 - Axle Type QR - Hub Spacing 100mm - Wheel-Brake Comp. Rim - Freehub Body - - Wheel Tire Type Clincher - Rim Material Aluminum - Rim Construction Double wall - Rim Internal Width 19mm - Rim inner width range 0-21.9mm - Rim Drilling 36 - Hub Model Formula FM-21-QR - Wheel Weight - - Spoke Type Stainless - Valve Schrader - Rim External Width - - Depth 20mm - Rim Model Evo E-Tour 19 - Skewers Included Yes

Rims: Evo Tour 19 26" - ETRTO 559-19 - Inner width: 19mm - 6061-T6 Alloy - Double Wall - Powder Coat satin black finish - CNC machined sidewalls - Drilled for Schrader valve - Rim or Disc Brake compatible - 36 holes Front hub: - QR 9x100mm (Quick Release binder included) - 6-Bolt ISO disc mount - 6061-T6 Alloy - Anodized black finish - Adjustable bearings - Rubber seals

Rims: Mavic Open Elite 700C - ETRTO 662-15 - External width: 19mm - Inner width: 15mm - A classic rim model for Road riding with Mavic's renowned quality - UB Control Tech CNC braking surfaces - Stainless Steel eyelets - For Presta valve - Weight: 490g - 32 holes Front hub: Shimano Tiagra HB-RS400 (Black) - 9x100mm - Polished angular contact bearings - Contact sealed hub, Internal grease sleeve - QR Binder incl. Assembled in North America by experienced wheel builders with Sapim 14G Stainless Steel spokes (Black) and 14mm Brass Polyax Nipples (Black)

- Rims: Evo Tour 16 700C - ETRTO 662-17 - 6061-T6 Alloy - Double Wall with CNC machined sidewalls - Inner width: 16.6mm - Profile height: 27mm - Drilled for Presta valve - 32 holesFront hub: Shimano Tiagra HB-RS400 - 9x100mm - Polished angular contact bearings - Contact sealed hub - Quick Release Binder (Internal Cam) includedRear hub: Shimano Tiagra FH-RS400 - 10x130mm - Polished angular contact bearings - Contact sealed hub and freehub body - Quick Release Binder (Internal Cam) included - Compatible with 11 speed Road (10 speed compatibility requires 1.85mm spacer, not included) - Assembled in North America by experienced wheelbuilders with Sapim 14G Stainless Steel spokes and 14mm Brass Polyax Nipples

Rims: WTB DX18 26'' (ETRTO 559), inner width: 18 mm - Anodized black finish - CNC machined sidewalls - Stainless steel eyelets - Rim wear indicator - Pinned joint - Drilled for Schrader valve - 36 holes Rear hub (041812-02-26): Alloy, Freewheel, Sealed, Quick Release, Hollow CrMo axle M10x135mm - Anodized black finish - Adjustable bearings - Quick Release Binders Included Rear hub (041812-03-26): Alloy, Shimano HG, Sealed, Quick Release, Hollow CrMo axle M10x135mm - Anodized black finish - Adjustable bearings - Quick Release Binders Included Rear hub (041810-02-26): Alloy, Freewheel, Sealed, Bolt-On, Solid CrMo axle 3/8'' x 135mm (L:175mm) - Anodized black finish - Adjustable bearings - Flange Nuts included

Rims: WTB DX18 700C / 29'' (ETRTO 662), inner width: 18 mm - Anodized black finish - CNC machined sidewalls - Stainless steel eyelets - Rim wear indicator - Pinned joint - Drilled for Schrader valve - 36 holes Front hub: Alloy, Sealed, Bolt-On, Solid CrMo axle 3/8'' x 100mm (L:140mm) - Anodized black finish - Adjustable bearings - Flange Nuts included Assembled in North America by experienced wheel builders using Sapim 14G Stainless Steel spokes (Black) and 14mm Brass Polyax Nipples (Black)

Rims: WTB DX18 26" (ETRTO 559), inner width: 18 mm - Anodized black finish - CNC machined sidewalls - Stainless steel eyelets - Rim wear indicator - Pinned joint - Drilled for Schrader valve - 36 holes Front hub (-01): Alloy, Disc and Rim brake compatible, Sealed, Quick Release, Hollow CrMo axle M9x100mm - Anodized black finish - Adjustable bearings - Quick Release Binders Included Assembled in North America by experienced wheelbuilders using Sapim 14G Stainless Steel spokes (Black) and 14mm Brass Polyax Nipples (Black)

Rims: WTB DX18 700C / 29'' (ETRTO 622), inner width: 18 mm - Anodized black finish - CNC machined sidewalls - Stainless steel eyelets - Rim wear indicator - Pinned joint - Drilled for Schrader valve - 36 holes Front hub (-01): Alloy, Disc and Rim brake compatible, Sealed, Quick Release, Hollow CrMo axle M9x100mm - Anodized black finish - Adjustable bearings - Quick Release Binders Included Assembled in North America by experienced wheel builders using Sapim 14G Stainless Steel spokes (Black) and 14mm Brass Polyax Nipples (Black)

- Anodized black finish - CNC machined sidewalls - Stainless steel eyelets - Rim wear indicator - Pinned joint - Drilled for Schrader valve - 36 holes Rear hub: Alloy, Disc and Rim brake compatible, Shimano HG, Sealed, Quick Release, Hollow CrMo axle - Anodized black finish - Adjustable bearings - Quick Release Binders Included Assembled in North America by experienced wheelbuilders using Sapim 14G Stainless Steel spokes (Black) and 14mm Brass Polyax Nipples (Black)

- Rims: WTB ST i30 (Black), inner width: 30 mm - New TCS 2.0 Tubeless system - Solid Strip (included) protects and ensures a smooth surface between the tire and the rim - Easy On-Ramp profile allows for a smooth tire installation and stress-free inflation - Industrial Epoxy reinforced Pinned Joint provides repeatable tubeless consistency - Drilled for Presta valve - 32 holes - Rear hub (1): Formula DHT148 (Black), Laser etched logo, 12mm TA, O.L.D. 148mm BOOST - Rear hub (2): Formula DC2241 (Black), Laser etched logo, M9x141mm BOOST141 - HG Freehub compatible with 8—10, MTB 11-speed - 6-bolt Disc mount - Sealed Bearings (DC711 & DHT148) - TA Axles, not incl. - Quick Release binder incl. (DC2241) - Assembled in North America by experienced wheel builders with Sapim 14G Stainless Steel spokes (Black) and 14mm Brass Polyax Nipples (Black) - Tubeless Compatible (Tubeless Valve included)

- Rims: WTB ST i30 (Black), inner width: 30 mm - New TCS 2.0 Tubeless system - Solid Strip (included) protects and ensures a smooth surface between the tire and the rim - Easy On-Ramp profile allows for a smooth tire installation and stress-free inflation - Industrial Epoxy reinforced Pinned Joint provides repeatable tubeless consistency - Drilled for Presta valve - 32 holes - Rear hub: Shimano FH-MT400-B (Black), Shimano logo, 12mm E-THRU, O.L.D. 148mm BOOST - HG Freehub compatible with 8—10, MTB 11-speed - Quick Engagement Pawl Ratchet (36T / 10deg engagement) - Center Lock disc mount - Adjustable bearings - E-THRU Axles not included - Assembled in North America by experienced wheel builders with Sapim 14G Stainless Steel spokes (Black) and 14mm Brass Polyax Nipples (Black) - Tubeless Compatible (Tubeless Valve included)

TruVativ Power Spline Bottom Bracket fits proprietary powerspline design popular as OE spec with many moderate-price TruVativ cranks. • Proprietary spline design popular as OE spec with many moderate-price TruVativ cranks • Crank bolts are included

Upgrade or refresh your bike. GENUINE REPLACEMENT PARTS When it's time to refresh your trusty bike, Trek Genuine Replacement Parts have you covered. PRODUCT DETAILS - Original equipment replacement Alex MD35 27.5 Boost 141 wheels - Alex MD35 rim is double wall, pinned and disc-specific - Does not include skewer, reflector, rim strip, valve, or owner's manual - Wheels shipped as photographed

Genuine replacement parts Genuine Trek replacement part to protect your eBike battery. Keep the dirt out. - For use with removable integrated battery system - For use with 500W Bosch RIB batteries

GENUINE REPLACEMENT PARTS Get back on the road with genuine replacement parts. PRODUCT DETAILS - Keep your bike fresh - Includes routing port for rear light

GENUINE REPLACEMENT PARTS Get back on the road with genuine replacement parts. PRODUCT DETAILS - Keep your bike fresh - Includes routing port for rear light

Revive your ride with a new lower headset bearing for your Trek E2 equipped bike. Product details Sealed cartridge bearing for long life Durable steel bearing housing 51mm x 40mm x 6.5mm

Add a rear disc brake to your 2001 and later Trek, Klein or Gary Fisher bicycle with this International Disc Brake Mount. Please note, disc brake and disc compatible wheel hub sold separately.

Get back on the road with a quality replacement hanger. - Attachment hardware is sold separately - For specific compatibility concerns, please contact our Customer Service team Specifications: - Size: Rear drive side, 135mm Q/R - Mounting location: Rear drive side - Attachment: 2-bolt

Upgrade or refresh your bike.

Genuine replacement parts Praxis bottom brackets feature precise tolerances and quality materials to ensure smooth, quiet spinning for many miles. No more creaking. Smooth operation. Fast bearing replacement. - For use with Trek T47 frames with 85.5mm bottom bracket shells - Only compatible with Praxis M30 cranks

Genuine replacement parts Praxis bottom brackets feature precise tolerances and quality materials to ensure smooth, quiet spinning for many miles. No more creaking. Smooth operation. Fast bearing replacement. - For use with Trek T47 frames with 85.5mm bottom bracket shells - Compatible with Shimano 24mm cranks

Original equipment replacement rear derailleur hangers. Get back on the road with a quality replacement hanger. Product details - Attachment hardware is sold separately - For specific compatibility concerns, please contact our Customer Service team Specifications - Mounting location: Rear drive side - Attachment: 1-bolt

Get back on the road with a quality replacement hanger. - Attachment hardware is sold separately - For specific compatibility concerns, please contact our Customer Service team Specifications: - Size: Rear drive side, 135mm Q/R - Mounting location: Rear drive side - Attachment: 2-bolt

Trek-compatible seat mast cap Offered in white and black and a variety of lengths and offsets, the mast cap includes hardware compatible with round saddle rails only. 7x10mm carbon rail-compatible hardware sold separately. *Ultra-light carbon construction *One bolt head design offers easy fore-aft and infinite angle adjustment *Compatible with all Trek road bikes with round seat masts Aluminium clamp *Includes 7mm round saddle clamp ears, 10mm ears sold separately

Proprietary replacement bottom bracket for the Trek family of bikes.

Genuine replacement parts Revive your ride with a fresh set of bearings for your BB90/95 equipped carbon bike. Proprietary replacement bottom bracket for the Trek family of bikes. - Only compatible with 24mm cranks - Not compatible with BB30 cranks

Allows use of two Blendr mounts on a Trek Madone SLR. Genuine replacement parts Mount light, computer, GPS and/or cameras to your top-of-the-line aero road bike. Product details - Blendr works with this simple formula: Stem + Base + Mount. Add accessory - Bases for use with the Trek Madone SLR Aero Integrated handlebar - Add any accessory mount (sold separately) for an elegant, integrated look - Includes mounting hardware

Get back on the road with a quality replacement hanger. Original equipment replacement rear derailleur hangers Attachment hardware is sold separately

Flat mount hydraulic brake set Dual piston Includes E10.11 resin pads

Flat mount mechanical brake caliper Dual piston Road drop bar lever ratio For use with L10.11 brake pad Caliper only

A lightweight dual pivot road brake caliper with forged aluminum arms and optimized for current mechanical pull ratio shifters and levers Features an extended opening lockable cam-style quick release for easy wheel removal with big tire/fenders 47-59 mm extended drop for added tire/fender clearance Standard recessed nut fitting Weight: 160 g per wheel

TRP HY/RD disc brake calipers have the power and modulation of hydraulic disc brakes. True ‘plug-and-play’ compatibility with existing cable actuated systems. - Self-contained hydraulic caliper incorporates master cylinder - Hydraulic system self-adjusts for pad wear - Compatible with all mechanical road and CX brake levers - Brake pad composite is Resin with Metal Fibers - Resin with Metal Fibers pads are compatible with Resin-Only type rotors as well as standard rotors

Finally: a mechanical disc brake for mountain bikes and fat bikes that offers superior performance and is a snap to set up. The Spyke is a dual-sided mechanical caliper where both pads actuate to provide even and precise clamping force. This results in even pad wear and easy pad adjustment with the addition of a barrel adjuster. No longer is adjusting the whole caliper necessary as the pads wear. All of this in a 169g (per caliper) package that works with all linear-pull levers. Caliper and mounting bolts included. SPECIFICATIONS - Dual-piston actuation - Even pad wear - Easy adjustment and set up - Works with ALL long-pull levers - TRP's own, ultra-grippy, semi-metallic pad that is Shimano M525/M515 compatible, allowing for further customization - Compound works well in dry conditions but may wear quickly in wet/muddy conditions - Rotor and adapters sold separately - Weight: 170g/caliper per wheel

- Converts 6-bolt rotors to Centerlock - Hub Compatibility: ISO 6B

Characteristics: - smooth feel in the brake lever - predictable and progressive brake power - very high durability - consistently quiet operation Fits: Shimano - Dura Ace BR-R9170 - Ultegra BR-R8070 - XTR BR-M9100 - BR-RS805 - BR-RS505 - BR-RS405 - BR-RS305 Tektro - HD-R310 REVER - MCX1 Flat Mount

Characteristics: High performance compound for alloy wheels. Improved power and modulation with excellent wet weather stopping power. Design: - low profile shape - each Flash EVO pad is 0.75mm narrower then a FlashPro pad for a total of 1.5mm more clearance for wide rims - 4 asymmetric cut outs - direct mount caliper compatible Fits: - SRAM Road - Shimano Road - CAMPA Potenza 2016 - CAMPA Athena 2016 - CAMPA Veloce 2016

Use Stan's Tubeless Valve Stems when you're converting standard rims to tubeless via the taping method. These also have a removable core for easier application of tire sealant. Note: Schrader valve is for non-stepped Hugo rims. If your Hugo rim decal reads: - MAX RIM PRESSURE: 2.8 tires: 26psi, 3.0 tires: 24psi - ERD 615, 622x49.9, 29 in x 52.3mm Your rim has a stepped valve and is not compatible with this Schrader valve.

The new Gen 3 Stages Power meter is built on to a Shimano Ultegra R8000 crankset. The Stages Power meter is placed on both the drive and non-drive side of the crank in order to independently measure a rider's left and right legs. Tour Proven. Stages Power has carried riders to three consecutive Tour de France victories, plus many more world and national championships. If you believe racing provides the world’s best product proving ground, then Stages Power is proven as the world’s best power meter. Active Temperature Compensation as standard equipment. Consistency of measurement is the most important feature of a power meter. Stages Power was the first meter to make temperature compensation an automatic process ensuring accurate readings no matter the environmental conditions. ATC is the key reason a rider can trust data from Stages Power in all conditions. Individual meter calibration for the most accurate results. Stages Power meters are calibrated individually to ensure a +/- 1.5% accuracy level. Individual calibration means that you can trust the bi-lateral data produced by our system, as it's a real measurement and not an estimation. Additional features: - +/- 1.5 % accuracy in all conditions - Active temperature compensation - Accelerometer based cadence measurement - Wirelessly upgradable firmware - LED indicator displays battery level at start up (with no need for connect to an app) and confirms successful zero reset - Updated accelerometer and addition of gyroscope for improved cadence resolution - Upgraded BLE and ANT+ radios offer a 6x improvement of data transmission strength Specifications - Power meter housing: low profile design, with robust door interface. Tool free battery replacement on the left arm and phillips head - screw access on the drive side - Weight: Only adds 35g to base crankset - Battery Life: 175+ hours (via 2 coin cell: CR2032) - Power range (Watts): 0 to 2500 - Cadence range (rpm): 20-220 - Water resistance rating: IPX7 In the box - Non-drive-side power meter - Drive-side power meter - Shimano chainrings - 2x high quality CR2032 coin cell battery - Lifetime access to Stages Link for power meter management and firmware upgrade. - 2 months free access to Stages Link premium training and coaching features. - Product Identification Card with Serial Number and ANT+ I.D. Number. - User Guide

The new Gen 3 single-sided Stages Power L meter for Cannondale Si Stages Power meter is built on to a non-drive-side Cannondale Si crank arm and is compatible with existing Cannondale Hollowgram Si crank models - 2014 or newer and Hollowgram SiSL2 cranks. Tour Proven. Stages Power has carried riders to three consecutive Tour de France victories, plus many more world and national championships. If you believe racing provides the world’s best product proving ground, then Stages Power is proven as the world’s best power meter. Active Temperature Compensation as standard equipment. Consistency of measurement is the most important feature of a power meter. Stages Power was the first meter to make temperature compensation an automatic process ensuring accurate readings no matter the environmental conditions. Individual meter calibration for the most accurate results. Stages Power meters are calibrated individually to ensure a +/- 1.5% accuracy level. Individual calibration means that you can trust the data produced by our system. Additional features: - ± 1.5 % accuracy in all conditions - Active temperature compensation - Accelerometer based cadence measurement - Wirelessly upgradable firmware - LED indicator displays battery level at start up (with no need for connect to an app) and confirms successful zero reset - Updated accelerometer and addition of gyroscope for improved cadence resolution - Upgraded BLE and ANT+ radios offer a 6X improvement of data transmission strength Specifications - Power meter housing: low profile design, with robust door interface - Weight: Only adds 15g to base crank arm - Battery Life: 200+ hours (coin cell: CR2032) when used as a single sided meter - Power range (Watts): 0 to 5000 - Cadence range (rpm): 10-220 - Water resistance rating: IPX7 In the box - Power Meter - High quality CR2032 coin cell battery - Lifetime access to Stages Link for power meter management and firmware upgrades. - 2 months free access to Stages Link premium training and coaching features. - Product Identification Card with Serial Number and ANT+ I.D. Number. - User Guide

The new Gen 3 single-sided Stages Power L meter is built on to a non-drive-side Shimano Ultegra R8100 crank arm and is compatible with all Shimano Hollowtech II road drivetrains. Accuracy: ± 1.5% Power meter housing: low profile design, with robust door interface Weight: Only adds 15g to base crank arm Battery Life: 200+ hours (coin cell: CR2032) when used as a single sided meter Power range (Watts): 0 to 2500 Cadence range (rpm): 10-220 Water resistance rating: IPX7

The new single-sided Stages Power L meter is built on to a non-drive-side Shimano Dura-Ace R9200 crank arm and is compatible with all Shimano Hollowtech II road drivetrains. Accuracy: ± 1.5% Power meter housing: low profile design, with robust door interface Weight: Only adds 15g to base crank arm Battery Life: 200+ hours (coin cell: CR2032) when used as a single sided meter Power range (Watts): 0 to 2500 Cadence range (rpm): 10-220 Water resistance rating: IPX7

- Replacement chain pins for Shimano 11-speed chains - Compatible with CN7900/7801 chains - 3 pins per pack

- Cassette Body Type: Shimano/SRAM 11 Speed Road - Material: Steel

Shimano's 105 10-Speed Cassette delivers excellent shifting and durability. The cogs are made of long-lasing, smooth-running steel. They have Shimano's engineered tooth shapes for precision shifting. And for lightness, the cassette has an aluminum carrier for the top cogs and nylon spacers.

- Shimano 105 R7000 Series CS-HG700-11 cassette - Average weight: 379g - Combination: 11-13-15-17-19-21-23-25-27-30-34T

Wide range cassette for varied terrain drop bar riding The 11-36T 12-speed cassette offers a wide gear range of 327%. From sprinting on the flats to steep climbs, you can choose the best gear ratio to suit every situation. Gear steps are optimized for pedaling efficiency, with the first eight cogs focusing on a natural and comfortable connection, and the largest four cogs allowing you to select from a wide range of gears while avoiding abrupt gear ratio changes. - Refined 12-step gear combination provides peak efficiency and accelerating performance for every situation -Compatible with new 12-speed and road 11-speed FREEHUB body

- Shimano 105 R7000 Series CS-R7000 11-speed cassette - Average weight: 284 g (11-28T), 304 g (11-30T), 320 g (11-32T), 269 g (12-25T) Combinations: - 11 – 28T: 11-12-13-14-15-17-19-21-23-25-28T - 11 – 30T: 11-12-13-14-15-17-19-21-24-27-30T - 11 – 32T: 11-12-13-14-16-18-20-22-25-28-32T - 12 – 25T: 12-13-14-15-16-17-18-19-21-23-25T

A 12-speed cassette range that brings versatility to any rider or road From sprinting on the flats to climbing steep inclines, the 11-34T cassette has you covered. It is compatible with both SHIMANO 11-speed and 12-speed FREEHUB bodies.

Worry-free Di2 shifting in a compact shifter size The new SHIMANO 105 shift/brake lever features Di2 electronic shifting for the first time, bringing precise, intuitive gear changes to even more riders. Reach adjustment and customized button functions allow you to dial in your ideal ergonomics. Disc brakes optimized for road riding With proven hydraulic braking technology, the new SHIMANO 105 calipers feature the SHIMANO Flat Mount System and its low-profile design that is ideal for road bikes. More compact and lighter than ever, the R7170 brakes offer wide pad clearance for easy wheel removal and quiet performance as well as one-way bleeding for easy, clean maintenance.

Shimano 105 5750 10-Speed chainrings are a quality, reliable replacement option for worn out chainrings on compact double cranksets.

An attractive aluminum crank with hollow arms for lightweight, rigidity, and durability The newly designed crank arms offer an optimized balance between lightweight and efficiency. The crank, formed with hollow aluminum technology, is anodized with a beautiful gloss black anodized finish, giving it a luxurious look. The resin ribs on the back of the chainrings are SHIMANO 105's unique structural design that achieves both thorough weight reduction and crisp shifting performance. FEATURES - Optimal balance of stiffness, strength, weight and rotational performance - HOLLOWTECH II structure cuts weight yet maintains strength for better power transfer - Crank arm length: 160, 165, 170, 172.5, 175 mm - Gear combination: 50-34T, 52-36T - Q-factor: 148 mm