Couronne Décimale RENNEN 4 Trous Non Filetée Tooth profile:42.2 Fully foam-padded

Fully foam-padded

The water-repellent main zip closure

Thanks to TOPEAK's SmartHead

ainsi qu’une construction Saddle shoulder favorisant la liberté de mouvement et un ajustement précis en position de pilotage

Ergonomic and comfortable

Couronne Décimale RENNEN 4 Trous Non Filetée Tooth profile:42.2 Fully foam-paddedThe Rennen 4 bolt non threaded decimal chainring addresses a well known issue among BMX Race riders: going from one tooth count to the next changes the rollout by a full step, which is often too much for fine tuning. Rennen Design Group has therefore developed intermediate tooth counts that allow riders to fine tune their gearing by half steps. This is the most extensive range in the line up, with ten decimal tooth counts from 41. 2 to 50. 2. It