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Genuine replacement parts
Get back on your bike with these replacement Bosch crank arms.
Product details
- Generation 3 Bosch systems use larger (36-38t) chainrings with spiders
- Includes both left and right crank arms
More options
| Size | 170mm, No ring |
|---|---|
| Length | 170mm |
| Teeth | No ring |
| Speed | No ring |
| BCD | Direct Mount |
| Chainline | Variable |
| Offset | Standard |
| Crank type | Mini-ISIS |
| Threading | 9/16"(15mm) |
| Material | Aluminum |