Odyssey OPTIS Tubeless Tyre Insert Size:27.5 Inch 8m (5' 11") and taller

8m (5' 11") and taller

stable semi-rigid skeleton fused with a soft flexible krayton material beneath contact points that flexes to reduce pressure on body tissues and so enhances your comfort

And a disc brake

you can adjust the fit

We started from the ground up with an entirely new single-clamp locking system which offers over 10mm of extra grip space and allows for a more ergonomic feel on the either end of the grip

Odyssey OPTIS Tubeless Tyre Insert Size:27.5 Inch 8m (5' 11") and tallerOPTIS (Odyssey Pneumatic Tyre Insert System) is a lightweight, highly tunable, high efficiency, tubeless tyre insert. Tyre 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 these