This FSA sprocket is designed for e-bikes running Bosch G1 and G2 mid-drive motor systems. The 20-tooth size offers a good balance for general riding, whether you're commuting, doing local trips, or gentle off-road work. It's a direct replacement if your original sprocket is worn or damaged, and works with standard Bosch chainring setups.
This FSA sprocket is designed for e-bikes running Bosch G1 and G2 mid-drive motor systems. The 20-tooth size offers a good balance for general riding, whether you're commuting, doing local trips, or gentle off-road work. It's a direct replacement if your original sprocket is worn or damaged, and works with standard Bosch chainring setups.
If you're running a Bosch-equipped e-bike and notice your drivetrain slipping or your sprocket teeth are hooked, this is what you need. Installation is straightforward for anyone comfortable with basic bike maintenance, though we're always happy to fit it fo
Free same-day Click & Collect. Order online and collect from our London workshop, usually ready within a couple of hours. We will email you the moment it is ready.
Home delivery. Dispatched the same working day on orders placed before 3pm. Standard UK delivery is tracked and typically arrives in 2 to 3 working days.
Fitting while you wait. Buying a part you would rather not fit yourself? Our mechanics can fit most parts on the spot. Just ask when you collect.
30-day returns. Changed your mind? Return any unused item in its original packaging within 30 days for a full refund.
This product has no reviews yet. Bought one? Be the first to tell other riders what you think.
Pop in, call us, or book the bike in. Our mechanics will sort it while you wait.