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The pignoni package Velocious 9 speed with optimized profile of the teeth.
The result is a perfect synchronization in traction and a rapid change thanks to the Ultra-Drive design.
Features :
-Use : road
-Peso : 248 g
-Drawing of the Ultra-Drive teeth : allows for a change that is always ready, fast and precise.
-Synchronization of the pignons : placement of the pignons studied to make the exchange process faster and reduce stress on the chain
-surface galvanic treatment with nickel-chromium : reduces the pignone / chain friction and extends the life of the foreclods
13-14-15 -16-17-19-21-23-26