Pirelli Scorpion SmarTUBE - 42mm Presta Removable Valve Core - 2.2-2.6 Inch - 27.5 Inch PDP|Colour then look no further than

then look no further than this quality offering from Hope

the 33mm fits 1 1/4"

Pros: Excellent protection for the knees

The ergonomic back protector can be removed to allow for the carriage of a hydration bladder with options to route the hose either over the shoulder or underneath the arms

Pirelli Scorpion SmarTUBE - 42mm Presta Removable Valve Core - 2.2-2.6 Inch - 27.5 Inch PDP|Colour then look no further thanScorpion 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. Scorpion SmarTUBE is a one of a kind inner tube: low weight and volume combine with a high level of reliability not available with an equivalent butyl tube. The perfect solution for marathon