Pirelli SporTube Tube - 29 x 2.1 - 2.3 48mm Presta Valve Model=Cutthroat V2 Bottom Bracket Hatch Cover New improved ergonomic y-style handle

New improved ergonomic y-style handle design

Made of eco-friendly biodegradable ingredients

Spring Weight 600

Replacement levers pivots and bushings for Hayes hydraulic disc levers

Color Black Defined Color Black Fork Type Not Included Frame Material Steel Mfg Size 20

Pirelli SporTube Tube - 29 x 2.1 - 2.3 48mm Presta Valve Model=Cutthroat V2 Bottom Bracket Hatch Cover New improved ergonomic y-style handlePirelli SporTube Tube 29 x 2. 1 2. 3 48mm Presta Valve. The SporTube is the most classic cycling butyl inner tube; the standard interpretation of the most used air retention system in the world. A complete range offers the size and specification for every kind of cyclist and discipline from road cycling to urban commuting. Butyl construction Disc and rim brake compatible Black valve stem TECH SPECS ISO Diameter 622 Road 29" ISO Width (mm) 53 ISO Width