ABOUT THE TOPSTONE 1 GRAVEL BIKE

An amazingly capable, versatile gravel road bike. Built for chasing horizons, exploring routes less travelled or accelerating your commute.

Where it thrives – Gravel roads, out in the elements

What it’s built for – Traction, handling, comfort

KEY FEATURES

• • Lightweight SmartForm C2 Alloy frame w/ full carbon fork

• • Shimano GRX 800/600 11-speed shifting

• • WTB ST i23 TCS rims

SPECIFICATIONS

Frameset

• • Frame: Lightweight SmartForm C2 Alloy, 12×142 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, 12×100 thru-axle, fender/gear mounts

Wheels

• • Wheelset: WTB ST i23 TCS, 28h, tubeless ready

• • Tyres: Vittoria Terreno Dry, 700x35c, tubeless ready

Drivetrain

• • Pedals: Not Included

• • Front Derailleur: Shimano GRX 800, braze-on

• • Rear Derailleur: Shimano GRX 810, Shadow RD+

• • Shifters: Shimano GRX 600, 11-speed

• • Chain: KMC X11, 11-speed

• • Crankset: FSA Gossamer Pro Modular AGX+, 46/30

• • Rear Cogs: Shimano 105, 11-34, 11-speed

• • Bottom Bracket: FSA BB386 MegaEvo

Components

• • Handlebar: Cannondale 3, butted 6061 Alloy, 16 deg flare drop

• • Stem: Cannondale 3, 6061 Alloy, 31.8, 7°

• • Brakes: Shimano GRX 400 hydraulic disc, 160/160mm RT54 rotors

• • Brake Levers: Shimano GRX 600 hydraulic disc

• • Saddle: Fizik Aliante Delta, S-alloy rails

• • Seatpost: Cannondale 3, 6061 Alloy, 27.2x350mm

BIKE SIZING

Choosing the bike size depends on the type of bike, your height, your riding style, and your preference. A correct fitting bike will be more comfortable, more efficient and more fun to ride. This bike size guide gives our customers general advice on choosing the right size.