Description
A jack-of-all-roads with zero compromises. The Topstone 3 GRX 2X is built with Shimano GRX610/820 blended group gearing
Rear Derailleur-Shimano GRX 820, Shadow RD+
Front Derailleur- Shimano GRX 820
Shfiters- Shimano GRX 610, 12-speedShimano GRX 610, 12-speed
Chain- Shimano M7100, 12-speed
Brakes- Shimano GRX 610 hydraulic disc, 160/160mm RT70 rotors
Rims-WTB ST i25 TCS, 28h, tubeless ready