Spider for Yamaha & Giant PW ebike motors

Spider for Yamaha PW and Giant Syncdrive Sport ebike motors (with squared 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 Yamaha and Giant directmount chainrings.

Select the model for your frame:

- Standard: 135mm/142mm rear wheel. 15mm or 22.5mm offset up to external side of chainring, depending if you put the chainring in the inner or outer side of the spider.

- Boost: 148mm rear wheel (18mm or 25mm offset up to external side of chainring).