Pirelli Scorpion SmarTube Tube - 29 x 1.8 - 2.2 42mm Presta Valve 27.5''x2.10 25" Axle to Crown Length

25" Axle to Crown Length 395 Front Axle 12mm Thru x 100mm S

32mm installed diameter – handlebar diameter included – is perfect for most riders

The metal must be aggressively etched for the fibers to bond properly

providing an extra level of ankle support

Covers both sides of the freezing point

Pirelli Scorpion SmarTube Tube - 29 x 1.8 - 2.2 42mm Presta Valve 27.5''x2.10 25" Axle to Crown LengthPirelli Scorpion SmarTube Tube 29 x 1. 8 2. 2 42mm Presta Valve. Scorpion SmarTube is the mountain bike specific inner tube that blends the innovative features of TPU (Thermoplastic Polyurethane) a specific formulation for the riders that are looking for the best balance between protection against punctures weight and volume. SmarTube offers low weight and volume combined with a high level of reliability not available with an equivalent butyl tube The