*Chainring spider for Bosch Gen 3.*
* Compatible with 4 arm chainrings (BCD: 104mm).
* 52mm chainline.
* Durable Steel spider.
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| **Compatibility** | Bosch Gen 3 |
| **Crankset Type** | Single |
| **Arm Quality** | 4 arm crankset |
| **BCD** | 104mm |
| **Sizes** | Standard |