KMC Sprocket for Bosch Gen2 Super Narrow 21T E-Bike Hardened chrome-molybdenum steel For Bosch 2 Maximum performance that saves battery life Direct assembly Perfectly matched to KMC chains e1 / e8 / e9 / e10 / e11 / e12 Item no.: BSFB5021 Size: 1/2" X 11/128" Color: Black 3500km+: It lasts. And it lasts. The 3500 HP+ drivetrain is the perfect solution for demanding drivers. The combination of our e1 EPT chain and narrow sprockets ensures a guaranteed mileage of 3500 kilometers and more.
Return and Refund Policy
You can return products within 14 days of delivery. If a product is wrong, damaged or faulty, Malibel pays the return. See our returns policy.