Optis Tubeless Tire Insert - 27.5" x 28-40mm Insert w/ Standard Presta Valve MFPN=DROPOUT-274 Optimized spacing for dry to

Optimized spacing for dry to intermediate conditions

The ALPHA Disc tech features a two-piece construction consisting of a separate narrow-wide tooth profile produced in a composite material that offers prolonged wear protection and noise reduction

Ultra) at a more affordable price than the FF1

Exclusive climbing system combination for steel edge skis

Optis Tubeless Tire Insert - 27.5" x 28-40mm Insert w/ Standard Presta Valve MFPN=DROPOUT-274 Optimized spacing for dry toOPTIS (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