9.1 average score from 42 reviews


Model number: BCR-75E
  • 4 arm E-bike chainring, BCD-104mm, for hub gear drivetrains.
  • Compatible with Bosch(gen. 3 and gen. 4), Shimano Steps and other E-bike systems in combination with a BCD 104mm spider.
  • Compatible with 1-8 speed (1/2"x3/32") chains
  • For hub gear drivetrains only
  • Made from hardened steel for an extra long lifetime
  • Chainring bolts not included (adviced to use BCR-60)
More information

E-bikeGear Chainring

​Upgrade the performance of your e-bike with the E-bikeGear chainring. This wide toothed chainring is compatible with hub gear drivetrains and with all 1-8 speed (1/2"x3/32") chains. In combination with a spider, it fits almost any E-bike system. The chainring is made of hardened steel for exceptionally durability. Discover our range and experience improved e-bike performance with our high-quality bicycle parts.

E-bikeGear E-bikeGear
E-bikeGear E-bikeGear
E-bikeGear E-bikeGear


  • Sizes 36T,38T,40T,44T,46T,48T,42T


  • Crankset type Single
  • Gears Single speed, 7-speed, 8-speed
  • Arm quantity 4 arm crankset
  • Bolt Circle Diameter (mm) 104
  • Compatible with Hub gear drivetrains
  • Part materials Carbon steel