Plateau Extérieur Ovale 10V/11V ROTOR Q-RINGS AERO 110mm 5 Trous Tooth profile:52(36) This BELL Sixer helmet features

This BELL Sixer helmet features some of the best technologies developed by the American brand to improve the comfort of mountain bikers during riding

offering a pleasant performance advantage

Redline Conquest Pro

but also fold away to allow use of the entire internal space if needed

the RS710-C32 ensures a smoother and more efficient ride

Plateau Extérieur Ovale 10V/11V ROTOR Q-RINGS AERO 110mm 5 Trous Tooth profile:52(36) This BELL Sixer helmet featuresThe ROTOR Q RINGS AERO Oval Outer Chainring 10V 11V 110mm 5 Bolt is designed to improve pedalling efficiency on the road. Its specific oval profile optimises power transfer throughout the rotation, whilst maintaining broad compatibility with modern drivetrains. With a controlled ovality of 10%, the smallest diameter is positioned at the weak point of the pedalling stroke, whilst the maximum diameter corresponds to the most powerful phase. This Q RINGS