Description

Explore further. Ride freer.

A 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

Highlights

Light, durable SmartForm C2 Alloy Frame w/ full carbon fork
Shimano GRX 800/600 11-speed shifting
Shimano GRX 400 hydraulic disc brakes

Feel the light

Light and lively, smooth yet snappy. Topstone’s SmartForm C2 Alloy construction showcases our decades of expertise in aluminum craftsmanship.

Full Carbon Fork

OutFront Steering Geometry

Dropper Ready

Removable Fender Bridge

Specs

DETAILS

Platform

Topstone Alloy
Model Name

Topstone 1
Model Code

C15701M

FRAMESET

Frame

SmartForm C2 Alloy, 12×142 thru-axle, tapered headtube, flat mount disc, StraightShot internal cable routing, multiple gear/bottle mounts
Fork

BallisTec Full Carbon, 1-1/8″ to 1-1/4″ steerer, 55mm OutFront offset, flat mount disc, internal routing, 12×100 thru axle
Headset

Integrated, 1-1/8″ – 1-1/4″

DRIVETRAIN

Rear Derailleur

Shimano GRX 810, Shadow RD+
Front Derailleur

Shimano GRX 800, braze-on
Shifters

Shimano GRX 600, 11-speed
Chain

KMC X11, 11-speed
Crank

FSA Omega AGX+ Alloy, 46/30
Rear Cogs

Shimano 105, 11-34, 11-speed
Bottom Bracket

FSA Cartridge

BRAKES

Brakes

Shimano GRX 400, hydraulic disc, 160/160mm RT54 rotors
Brake Levers

Shimano GRX 600 hydraulic disc

WHEELS

Rims

WTB ST i23 TCS, 28h, tubeless ready
Front Hub

Formula cartridge bearing, Centerlock, 12x100mm
Rear Hub

Formula cartridge bearing, Centerlock, 12x142mm
Spokes

Stainless Steel, 14g
Tires

WTB Nano, 700 x 40c, wire bead
Tire Size

37
Wheel Size

700c

COMPONENTS

Handlebar

Cannondale 3, butted 6061 alloy, 16 deg flare drop
Stem

Cannondale 3, 6061 Alloy, 31.8, 7°
Grips

Cannondale Bar Tape, 3.5mm
Saddle

Fizik Aliante Delta, S-alloy rails
Seatpost

Cannondale 3, 6061 Alloy, 27.2 x 350mm

PLEASE NOTE THAT, BASED ON COMPONENT AVAILABILITY AND OTHER FACTORS, SPECIFICATIONS ARE SUBJECT TO CHANGE WITHOUT NOTICE.

Geometry

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