Optis Tubeless Tire Insert - 27.5" x 28-40mm Insert w/ Standard Presta Valve MFPN=WST081 Material CottonGender/Age UnisexColor Slate BlueSize

Material CottonGender/Age UnisexColor Slate BlueSize LargeSleeve Style ShortDefined Color Blue

The result is an inner tube that can be up to 70% lighter up to 50% more compact and as resistant against punctures as an equivalent tube made of butyl

please follow manufacturers recommendation for your frame/forks

BR-R7170 flat mount caliper is compact and light

Season Warm WeatherNumber of Pockets 0Zipper NoneGender/Age MensColor Flared ConcreteSize MediumSleeve Style ShortDefined Color Gray

Optis Tubeless Tire Insert - 27.5" x 28-40mm Insert w/ Standard Presta Valve MFPN=WST081 Material CottonGender/Age UnisexColor Slate BlueSizeOptis Tubeless Tire Insert 27. 5" x 28 40mm Insert w Standard Presta Valve. 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