Explore Further. Ride Freer.
Ready for wherever the journey takes you, Topstone Alloy distills the spirit of Topstone Carbon into a rugged, ever-ready aluminum frame. Whether you're exploring routes less travelled or accelerating your commute, go beyond with the durable, dependable Topstone Alloy.
It thrives on gravel roads out in the elements and is built for traction, handling and comfort.
It features a light and durable SmartForm C2 alloy frame with a full carbon fork. MicroSHIFT Advent X, wide range 10-speed group with lower gears is designed for grinding up hills or getting you through rough gravel roads.
Looking to go further and ride bigger hills? Topstone 3 is built with a 2x9 drivetrain for wider range gearing and lighter components.
Due to supply-chain issues, specs are subject to change without notice.
Confident stability meets nimble agility. An extra long fork offset paired with a slack head angle keeps the steering light and lively, yet delivers unreal confidence at speed and in the rough stuff.
Built to accept an internally-routed 27.2 dropper seatpost, which shouldn’t really be a surprise on a bike that's this off-road capable.
Clearance for big 45mm tires lets you push further into the rough stuff, and enjoy more grip and comfort on every ride.
Load Up. Roll Out. With plentiful gear and water bottle mounts on the frame and fork, Topstone is ready to load up and go long.
|Seat Tube Length (cm)||41||45.8||50.5||55.3||60|
|Top Tube Horizontal (cm)||53.3||54.4||55.7||57.2||58.7|
|Top Tube Actual||N/A||N/A||N/A||N/A||N/A|
|Head Tube Angle||70.0°||71.0°||71.0°||71.0°||71.0°|
|Seat Tube Angle Effective||73.1°||73.1°||73.1°||73.1°||73.1°|
|Seat Tube Angle Actual||71.8°||71.8°||71.8°||71.8°||71.8°|
|Head Tube Length (cm)||8.6||11.5||14.7||18||21.2|
|Front Center (cm)||59.3||60.3||62.1||64.1||65.9|
|Chain Stay Length (cm)||43.5||43.5||43.5||43.5||43.5|
|Bottom Bracket Drop (cm)||7.5||7.5||7.5||7.5||7.5|
|Bottom Bracket Height (cm)||28||28.4||28.4||28.4||28|
|Fork Rake (cm)||5.5||5.5||5.5||5.5||5.5|
|Size||Height (inches)||Height (cm)|
|X-Small||5’0” - 5’5”||152 - 165cm|
|Small||5’4” - 5’9”||162 - 175cm|
|Medium||5’7” - 6'1"||170 - 185cm|
|Large||5’11” - 6'4"||180 - 193cm|
|X-Large||6’3” - 6'8"||190 - 203cm|
|Frame||Lightweight SmartForm C2 Alloy, 12x142 thru-axle, tapered headtube, BSA threaded BBm flat mount disc, StraightShot internal cable routing, multiple gear/bottle mounts|
|Fork||Topstone Carbon, 1-1/8" to 1.5" steerer, 55mm OutFront offset, flat mount disc, internal routing, 12x100 thru-axle, fender/gear mounts|
|Wheels||GXD 1.0, 28h|
Front: Formula alloy, 12x100mm
Rear: Formula alloy, 12x142mm
|Spokes||Stainless Steel, 14g|
|Tires||WTB Riddler Comp, 700 x 37c|
|Bottom Bracket||Cartridge, square taper|
|Crankset||Prowheel, Charm 40T|
|Shifters||microSHIFT Advent X, 10-speed|
|Rear Derailleur||microSHIFT Advent X|
|Cassette/Freewheel||microSHIFT, 11-48, 10-speed|
|Chain||KMC X10, 10-speed|
|Brakes||Promax Render R mechanical disc, 160/160mm rotors|
|Brake Levers||microSHIFT Advent X|
|Handlebars||Cannondale 3, butted 6061 Alloy, 16 deg flare drop|
|Tape/Grips||Cannondale Bar Tape, 3.5mm|
|Stem||Cannondale 3, 6061 Alloy, 31.8, 7°|
|Headset||Integrated, 1-1/8" - 1-1/2"|
|Seatpost||Cannondale 4, 6061 Alloy, 27.2 x 350mm|
|Saddle||Cannondale Stage CX|
* Subject to change without notice.
|Mango / Large||884603931547||C15902U20LG||BIK457199732|