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the trainer moves back
Thanks to the Velcro adjusters on the sides
with visual and audible alerts for enhanced safety
les changements de plateaux à l’avant sont nets et précis pour un confort d'utilisation agréable
it adapts perfectly to the most versatile gravel riding styles
Dérailleur Arrière SHIMANO GRX RX822-SGS 12V Chape Longue noel the trainer moves backThe SHIMANO GRX RX822 12 speed Rear Derailleur was developed to meet the growing popularity of Cyclo cross and Gravel riding, and the significant demands they place on derailleurs originally designed for road use. It features a chain stabiliser with Shadow RD+ technology (derived from mountain biking) which prevents chain drops. A switch is placed at the upper pulley and when activated, it holds the pivot more firmly and reduces vibrations. This model
