Specification

Details

Model

Topstone LTD

Vehicle Category

Gravel Road Bike

Application

Gravel roads, out in the elements

Starting Price (2025)

$2,625.00 USD

Color Options

Mystique Gray

Specification

Details

Frame

Topstone, lightweight SmartForm C2 Alloy, 12x142 thru-axle, tapered headtube, BSA threaded BB, 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

Drivetrain Compatibility

Shimano GRX 800/600, 2x11-speed

Dropouts

12x100mm thru-axle (F), 12x142mm thru-axle (R)

Bottom Bracket

Shimano BB-RS500

Crank

Shimano GRX 600, 46/30 (Europe/UK: FSA Gossamer Pro Modular AGX+, 46/30)

Chain

KMC X11, 11-speed

Rear Derailleur

Shimano GRX 810, Shadow RD+

Front Derailleur

Shimano GRX 800, braze-on

Shifters

Shimano GRX 800, 11-speed

Cassette

Shimano 105, 11-34, 11-speed

Specification

Details

Seating

1 passenger (Fizik Aliante Delta, S-alloy rails)

Cargo Capacity

Multiple gear/bottle mounts, removable fender bridge

Wheels/Tyres

(F) WTB Riddler TCS Light, 700x37c, tubeless ready / (R) WTB Riddler TCS Light, 700x37c, tubeless ready

Wheel Size

700c

Brakes

Shimano GRX 800 hydraulic disc, 160/160mm RT54 rotors

Brake Levers

Shimano GRX 800 hydraulic disc

Handlebar

Cannondale 3, butted 6061 Alloy, 16 deg flare drop

Stem

Cannondale 3, 6061 Alloy, 31.8, 7°

Headset

Integrated, 1-1/8" - 1.5"

Saddle

Fizik Aliante Delta, S-alloy rails

Seatpost

Cannondale 3, 6061 Alloy, 27.2x350mm

Seatpost Clamp

Integrated

Grips

Cannondale Bar Tape, 3.5mm

Front Hub

Formula cartridge bearing, 12x100mm, centerlock

Rear Hub

Formula cartridge bearing, 12x142mm, centerlock

Rims

WTB KOM Light i23 TCS, 28h, tubeless ready

Spokes

Stainless Steel, 14g

Exterior Features

Removable fender bridge