Upgrade your e-bike drivetrain with our Bosch e*spec Direct Mount Chainrings.
Our M3 narrow-wide tooth profile reduces weight without compromising on chain-retention. While the steel version is a direct OEM replacement, the premium aluminum versions provide cleaner aesthetics, lighter weight, and long-lasting performance perfect for when you're ready to upgrade from your original ring.
Conquer your e-bike trails at a great price—power up your drivetrain now!
Aluminum: 53mm (Boost chainline)