Optis Tubeless Tire Insert - 27.5" x 28-40mm Insert Only ModelNumber=D1325 9mm band type mount with

9mm band type mount with included adapters to fit 31

The central rib design rolls easily over hard paths while strong outer lugs provide great off-road traction

TPI 60Color TanDefined Color TanISO Width (mm) 64ISO Diameter 622 / Road / 29"Tire Intended Use MountainTire Diameter 29"Tire Bead FoldingLabeled Size 29 x 2

Whether after work or on an adventure trip there are virtually no limits to the "Allrounder"

Optis Tubeless Tire Insert - 27.5" x 28-40mm Insert Only ModelNumber=D1325 9mm band type mount withOptis Tubeless Tire Insert 27. 5" x 28 40mm Insert Only. 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. OPTIS separates