Inner Tube B4 27.5 Presta 40 mm Size:27.5 The outsole features a new

The outsole features a new pattern for added traction

TechGel‚Ñ¢ pads key stress points for extra protection

Mesh on the inseam and upper seat lets air flow to help keep you cool

cotton-blend fabric provides all-day comfort

Constructed using soft and flexible materials for a comfortable and secure fit

Inner Tube B4 27.5 Presta 40 mm Size:27.5 The outsole features a newThe Michelin AirStop B4 inner tube offers excellent puncture resistance. Made of Butyl, it maintains pressure for a very long time. Specifications Material: Butyl Dimensions: 27. 5x1. 9 2. 6" (48 62 584) Valve : Presta Valve length: 40 mm Discipline: Mountain bike Diameter : 27. 5' (650 B)