BOTTOM BRACKET COMPATIBILITY: for Shimano, SRAM and ISIS 8-notch bottom brackets. Outside Diameter: 44mm. Center Hole Diameter: 22.5mm. Weight: 98g=0.21lbs.
E-BIKE CHAINRING LOCKRING COMPATIBILITY: Front chainring lockring for Bosch Gen 3 and Gen 4 e-bike systems, Specialized Levo Brose e-bike systems and other lockring with 8 external notches.
DUAL-SIZE WRENCH FLATS: Its hexagonal base fits 32mm or 36mm open-ended wrench.
ORDER NOW, WORRY FREE! We're so confident about our product quality that we can provide a life time warranty ! Made in Taiwan.