Optis Tubeless Tire Insert - 29" x 28-40mm Insert Only MFPN=3402M-62236 and a true 70 L

and a true 70 L volume so you carry one pack instead of two

Compatible trainers: Neo Neo 2 Neo 2T

5-75MM) 475 LB

Designed by Noble Tools in London England and made in the USA

XX SL Transmission crankset

Optis Tubeless Tire Insert - 29" x 28-40mm Insert Only MFPN=3402M-62236 and a true 70 LOPTIS (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