Pirelli SporTube Tube - 29 x 2.1 - 2.3 48mm Presta Valve MFPN=11.4318.004.000 Ultra Bright Daylight Visible Flash

Ultra Bright Daylight Visible Flash Modes

Fits Brand Rocky Mountain

SmartEVO compound uses a blend of three different polymers each of them providing specifc performance qualities to achieve the optimal balance of opposing characteristics such as grip and rolling resistance

Narrow wide chainrings compatible with Race Face CINCH system cranks

420D nylon fabric for rigidity and water repellency

Pirelli SporTube Tube - 29 x 2.1 - 2.3 48mm Presta Valve MFPN=11.4318.004.000 Ultra Bright Daylight Visible FlashPirelli 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 Weight 210 Shaft Type Smooth Tube Compound Butyl ISO