Odyssey OPTIS (Tubeless Tire Insert) Current Find more sizes in Black

Find more sizes in Black

Max Tire Width 29"/700c N/A N/A 53mm 53mm 53mm Wheel Size 27

C5 Cassette Hub

Rectangular Arms: The Substance XL V2 crank features heat treated 4130 chromoly arms with a rectangular cross section for increased stiffness and grindability

The knarp’s clamp strength matches the strength of a standard cable lug when it is tightened properly

Odyssey OPTIS (Tubeless Tire Insert) Current Find more sizes in BlackWhat is OPTIS? OPTIS (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. Pressure choice is always a compromise to balance