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offering a pleasant performance advantage
This BELL Sixer helmet features some of the best technologies developed by the American brand to improve the comfort of mountain bikers during riding
Developed with the help of professionals
Designed to deliver a perfect feel and absolute control
combined with a reinforced clamp
Plateau Extérieur Ovale 10V/11V ROTOR Q-RINGS AERO 110mm 5 Trous Tooth profile:52(36) offering a pleasant performance advantageThe 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
