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Spider for Bosch Gen 3 motors (with...
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Spider for Bosch Gen 3 motors (with MiniISIS spindle). With this spider you can use normal 104BCD chainrings from 32T to 42T. This chainrings are easier to find and more cheaper than the Bosch directmount chainrings.
Select the model for your frame: Standard (135mm/142mm) or Boost (148mm).
Spider for Bosch Gen 3 ebike motors (with miniISIS spindle). With this spider you can use normal 104BCD chainrings from 32T to 42T. This chainrings are easier to find and more cheaper than the Bosch Gen 3 directmount chainrings.
Select the model for your frame:
- Standard: 135mm/142mm rear wheel.
- Boost: 148mm rear wheel.
Compatible with motors with code starting with BDU3 (except BDU37).