Optis Tubeless Tire Insert - 29" x 28-40mm Insert Only ModelNumber=J2618 8 Drop Bend Style Compact

8 Drop Bend Style Compact Cable Routing External Material Carbon Width Measurement Center Width 40 Defined Color Black Clip-on Compatible No

Includes GX Eagle Transmission Flattop chain with solid pins fully approved E-MTB use

25mm thick at the tooth which fits inside most narrow 6 through 9 speed chains and the pulley cage is wide enough to allow 1/8″ single speed chains as well

Diameter 700C Brand Velocity Model Dyad ISO 622 ID Width 19 Width OD 24 Profile 22 Wall Dbl Side MSW Color Silver Hole Count 40 Valve PV Weight 525g ERD 596 Extras

Optis Tubeless Tire Insert - 29" x 28-40mm Insert Only ModelNumber=J2618 8 Drop Bend Style CompactOPTIS (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