The RaceFace Bosch Gen 4 spider allows the use of RaceFace 104 BCD rings on RaceFace ebike cranksets (52mm chainline).This spider is only compatible with Bosch Gen 4 Performance Line CX motor Any RaceFace 104 BCD chainring will mount securely with the included hardware including the RaceFace SHI-12 speed rings Aluminum
| Color | Black |
| Chainring BCD | 104 |
| Designed for ebike | Yes |
| Defined Color | Black |
| Direct Mount Type | Direct Mount Bosch Gen 4 |
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