*4 arm ebike chainring, BCD: 104mm, for hub gear drivetrains.*
* Compatible with Bosch (gen 3 and gen 4), Shimano Steps and other ebikes systems in combination with a BCD 104mm (spider).
* Compatible with 1-8 speed (1/2" x 3/32") chains.
* For hub gear drivetrains only.
* made from hardened steel for an extra long lifetime.
* Chainring bolts not included (advised to use BCR-60).
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| **Compatibility** | Hub gear drivetrains |
| **Material** | Carbon Steel |
| **Crankset** Type | Single |
| **Gears** | Single Speed, 7, 8 speed |
| **Arm Quantity** | 4 arm crankset |
| **BCD** | 104mm |
| **Size** | 36, 38, 40, 42, rr, 46, 48T |