Optis Tubeless Tire Insert - 29" x 28-40mm Insert Only MFPN=HSA-IA41SUUX-IC52X-S Handlebar clamps are compatible with

Handlebar clamps are compatible with all MT series brakes

Lightweight and silky smooth 7075 alloy road racing hubs - a modern take on a timeless classic

Gear ratio range of 243% (25% each step)

T6 T8 T10 T15 T20 T25 T30 and T40 Torx compatible wrenches included

Optis Tubeless Tire Insert - 29" x 28-40mm Insert Only MFPN=HSA-IA41SUUX-IC52X-S Handlebar clamps are compatible withOPTIS (Odyssey Pneumatic Tire Insert System) is a lightweight highly tunable high efficiency tubeless tire insert. Tire assemblies are one of the most important performance factors for any bike. They provide all the grip to the ground they serve as a critical first element of the bikes suspension and they provide essential support to the cornering forces that the bike encounters. OPTIS separates the function of the bikes grip from its suspension and