Named after a favorite dirt road loop near our headquarters in Connecticut, Topstone is pure gravel goodness.

With its high-volume tires, confident rider position and sporty handling, it is ready to smash out big miles on the backroads, explore routes less travelled, or smooth out the chop on your morning commute.

A capable, versatile gravel road rig - pure and simple.

Rider Profile - Gravel riders, free-spirited explorers, rough road riders, high-performance commuters.

Wheel/Tyre Size - 700 x 40c

Rider Position - Performance focused, but slightly more upright for comfort. Perfect for long days in the saddle and confident handling on all road surfaces.

Intended Use


SmartForm C2 Alloy Construction

BSA Threaded BB

Removable Front Derailleur Mount

Disc Specific Design

Integrated Rack/Fender Mounts

27.2 Dropper Post Compatible


Big Tyre ClearanceBuilt with plenty of room for tires up to 42mm wide, for comfort, grip and adventurous capability.

Outfront Steering GeometryA slack head angle paired with a long 55mm fork rake delivers great stability at speed and great agility where needed. Just what you need for mixed-surface confidence or multi-day adventures.

Confident Rider Position Topstone shares similar stack and reach measurements with their Synapse endurance bikes, for a confident and sporty riding position.

Full Carbon Fork Full carbon forks on all models, with tapered steerers and 12mm thruaxles, for a light, comfortable and precise-steering front end.

Ready for AdventureWith mounts for three water bottles, plus mounts for top tube storage, Topstone is ready to go long. Multiple bottle cage positions on the downtube mount let you configure for big frame bags.


Frame: Topstone, Smartform C2 Alloy, 142x12 Thru-axle, Tapered Headtube, Flat Mount Rear Brake, Internal Cable Routing

Fork: Cannondale Topstone Disc, Full Carbon, 1-1/4” To 1-1/8” Tapered Steerer, 55mm Offset, Flat Mount, 12x100 Thru Axle

Rims: WTB ST I23 Light Tcs, 28h, Tubeless Ready

Hubs: Formula Rx-512 12x100 Front, Rx-142 12x142 Rear

Spokes: Stainless Steel, 14g

Tyres: WTB Nano TCS, 700 X 40c, Tubeless Ready

Pedals: Not Included

Crank: Sram Apex Alloy, 40T

Bottom Bracket: Sram GXP

Chain: Sram PC-1110, 11-speed

Rear Cogs: Sram PG-1130, 11-42, 11-speed

Rear Derailleur: Sram Apex 1, Long Cage

Shifters: Sram Apex 1 HRD, 1x11

Handlebar: Cannondale C3, Butted 6061 Alloy, 16 Deg Flare Drop

Grips: Cannondale Grip Bar Tape W/gel, 3.5mm

Stem: Cannondale C3, 6061 Alloy, 31.8, 7°

Headset: Topstone Si, 25mm Alloy Top Cap

Brakes: Sram Apex 1 HRD, 160/160mm Centerline

Brake Levers: Sram Apex 1 HRD

Saddle: Fabric Scoop Radius Sport, Steel Rails

Seatpost: Tranzx Dropper Seatpost, 50mm Travel, 27.2 X 365mm, Internal Routing, Drop Bar Remote

Sizes: S, M, L, XL

Colour 1: Electric Blue - Gloss (Elb)


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