E- Thirteen new direct mount e*spec chainrings use M3 narrow-wide tooth profile, which reduces weight without sacrificing chain-retention. This version fit Bosch CX Gen 4 motors, it's made of Steel and provide great performance and long life at a killer price for todays high-performance e-bikes.
Features
- Material : Steel
- Capacity : 11 and 12 speed drivetrain
- M3 Narrow wide tooth configuration
- Directly mounts to motor and replaces the full spider assembly for a lighter and cleaner looking set- up
- Fits only Bosch Performance Line CX4
- Designed to give 52mm/53 mm chainline to suit 148 Boost frames
- Available in 34 teeth, 36 teeth or 38 teeth
- Colour : Black
Weight
- 180 gr in 34 T
- 210 gr in 36 T
- 250 gr in 38 T
Très satisfaite