e*thirteen e*spec Aluminum Chainring Bosch CX Gen 4
Details
Upgrade your e-bike drivetrain with our Bosch 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 price—power up your drivetrain now!
- Direct Mount chainring for Bosch and Shimano E-Bike fitment
- Updated M3 narrow-wide tooth profile eliminates chain noise and decreases overall system wear while retaining chain
- 11/12 speed. Compatible with both Shimano and SRAM 12 speed drivetrains
Part Numbers
Option | UPC | MPN | Store SKU |
---|---|---|---|
Black / 34T | 04710751506718 | CR4UPA-100 | 210000025706 |
Black / 36T | 04710751506725 | CR4UPA-101 |