Replacement for the B01S and B03S models
Specific for electric mountain bikes - 249 grams
Sram EX1 group derailleur, specifically designed for e-bikes!
The EX1 derailleur features the X-HORIZON design already proven on the American brand's high-end 11- and 12-speed groupsets, which prevents horizontal axle movement to avoid unintentional gear changes.p>
Specially designed for electric mountain bikes with its reinforced cage, the Sram EX1 derailleur perfectly manages gear changes with high torque and low pedalling cadence to take full advantage of electric assistance in all situations.
Features:
- X-Sync rollers - 8 speeds - Colour: black- Aluminium cage
- Steel bearings
- Maximum cassette tooth count: 48 teeth
- Manufacturer's weight: 289 grams
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