WTB NanoAir TPU Tube - 700 x 18 - 32 65mm Presta Valve Left-27 These chainrings are for Race

These chainrings are for Race Face Cinch cranks such as Turbine

Often used as a cover wax or in mixes with colder waxes

Boost: 0mm offset for 55mm chainline required for SRAM Transmission

and Norway

WTB NanoAir TPU Tube - 700 x 18 - 32 65mm Presta Valve Left-27 These chainrings are for RaceNanoAir TPU (Thermoplastic Polyurethane) tubes are light, compact and durable Packs down to one third the size of a traditional butyl tube and is less than half the weight Features a special construction layup that makes them more durable than traditional butyl tubes 2 TPU patches are included TECH SPECS model NanoAir material TPU tire size 700c tire width 18 32mm valve Presta (threaded) length 65mm weight