Specialized 48mm Valve Stem Presta Tube 700c x 28-38mm (622mm) pre order To install the chainkeeper

To install the chainkeeper

Includes 2 O-rings

The mounting tube in the middle is 1 inch (25

6mm outer diameter on the pole

The Velocity Dyad is an exceptional all-around wheel that can be used for almost any use with a very nice strength to weight ratio

Specialized 48mm Valve Stem Presta Tube 700c x 28-38mm (622mm) pre order To install the chainkeeperOur Standard Presta Valve Tubes feature a molded method of construction that ensures a consistent thickness of butyl rubber. This means that they don't have any unnecessary weight and will roll smooth, ride after ride. Specifications: Valve Type: Presta Valve Size: 700c x 28 38mm Valve Length: 48mm stem