Schwalbe SV21E Aerothan MTB Tube (27.5") Size:40mm Valve paste like coating that can

paste like coating that can stay on the chain over 1800km (in dry

1x 2800mm Pro Polished Slick Rear Shift Inner Cable

and instantly returns back to its position for a seamless experience for the rider

Schwalbe SV19A Extra Light Tubes are for gravel

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

Schwalbe SV21E Aerothan MTB Tube (27.5") Size:40mm Valve paste like coating that canAerothan 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: