The BGM PRO QUICK ACTION pulley shortens the shift travel on the handlebar shifter. This leads to a significantly better gearshift feel as well as a more precise and faster gearshift process. The BGM role guides the train over a radius. This means that more pulling distance can be obtained with the same rotary movement than with the part originally designed only as a rocker switch. Diameter: Ø44 mm Material: [...]

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