e*spec Direct Mount Chainring Material:Steel (Bosch® only) No cross-compatibility between generations

No cross-compatibility between generations

Center knob sipes alternate between parallel and perpendicular to enhance both braking and cornering traction

which help to control deformation and grip in uneven terrain like rock gardens and rooty areas

Compatible with e*thirteen Helix

e*spec Direct Mount Chainring Material:Steel (Bosch® only) No cross-compatibility between generationsUpgrade your e bike drivetrain with our 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 pricepower up your drivetrain now!