- Compatible with 11 and 12-Speed Drivetrain Systems
- 52mm or 53mm Boost chainline
e*thirteen e*spec Steel Direct Mount Chainring – 38T, Bosch CX Gen4, Black
e*thirteen direct mount e*spec chainrings use their M3 narrow-wide tooth profile, which reduces weight without sacrificing chain-retention.
Steel direct mount rings provide great performance and long life at a killer price for todays high-performance e-bikes.
SKU: CR5344 Categories: Drive Unit Parts, E-Bike Chainrings