Optis Tubeless Tire Insert - 27.5" x 28-40mm Insert Only ModelNumber=D1325 Small ergonomic design fits anywhere

Small ergonomic design fits anywhere but performs like full size chain tool

8 Bar Drop (mm) 125 Bar Reach (mm) 80 Bar Top Style Flat Cable Routing Internal Clip-on Compatible No Color Black Defined Color Black Drop Bend Style Compact Flare 4 Material Carbon Weight 255 Width 44 Width Measurement Center

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

Tooth Count 50 Ring Position/Type Outer Drivetrain Speeds 11 Chainring BCD 110 Shimano Asymmetric Color Black Defined Color Black Material Aluminum

Optis Tubeless Tire Insert - 27.5" x 28-40mm Insert Only ModelNumber=D1325 Small ergonomic design fits anywhereOptis 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