KMC chainring for Bosch Gen 4 electric bikes.
- Number of teeth: 40T
- Chain line: 52 mm
- Made of high-quality hardened steel
- Ideal for narrow KMC chains: e12, e11, e10, e9, e8, e1 EPT

| Brand | KMC |
| Teeth count | 40T |
| Chain line | 52 mm |
| Compatibility | Bosch E-bike Gen 4 |
| Manufacturer code | BCRB4RL15240S3 |
| EAN/GTIN | 8720828042304 |

