Schwalbe SV21E Aerothan MTB Tube (27.5") Size:40mm Valve This tube has been sized

This tube has been sized to fit tires measuring 24-30mm

'Non slip' surface to surface formula

A sticky gel backing serves two functions: it replaces the adhesive tape for an easy removal during cleaning and damps off-road chatter without feeling too squishy

Drivetrain Speeds: 12

Schwalbe SV21E Aerothan MTB Tube (27.5") Size:40mm Valve This tube has been sizedAerothan is a material that completely redefines bicycle tubes: extremely light, with maximum puncture protection and designed for minimum rolling resistance. The Aerothan Tube MTB is just as resistant to snake bites as it is to side wall damage thanks to the extremely robust material. In cross country and marathon, a surprisingly low weight and low rolling resistance are great advantages. Even on challenging trails, this tube never gives up on you: