Michelin Inner Tube C4 26x1.50/2.20 STD Size:ONE SIZE Includes advanced sleep monitoring with

Includes advanced sleep monitoring with REM sleep and gauge blood oxygen saturation levels during the night with the wrist based Pulse Ox Sensor

Ideal for targeting small muscles such as calves

High quality PVC with safety valves

Reflective elements

Take on your training wearing the funky Dive Thinstrap Muscleback from the much-loved Speedo Essentials range

Michelin Inner Tube C4 26x1.50/2.20 STD Size:ONE SIZE Includes advanced sleep monitoring withThe Michelin Airstop Butyl inner tube is a safe bet for all road bike enthusiasts. Whatever the type of practice, it offers an almost unbeatable quality price ratio. Good performance, puncture resistance, pressure maintenance all of Michelin's experience comes together in the Airstop inner tube.