Topstone Alloy 4

4 new colours in 2024

What it's built for: traction, handling and comfort.

Highlights:

Lightweight SmartForm C2 Alloy frame w/ full carbon fork, microSHIFT Advent X, wide range 10-speed group, powerful disc brakes.

Fork

Topstone Carbon, 1-1/8" to 1.5" steerer, 55mm OutFront offset, flat mount disc, internal routing, 12x100 thru-axle, fender/gear mounts

Headset

Integrated, 1-1/8" - 1.5"

Drivetrain

Rear derailleur

microSHIFT Advent X

Shifters

microSHIFT Advent X, 10-speed

Chain

KMC X10, 10-speed

Crank

Prowheel, Charm 40T

Rear Cogs

microSHIFT, 11-48, 10-speed

Bottom Bracket

Cartridge, square taper