This spider mount sits between the Gen 4 CX Bosch drive unit and the outer 4 bolt chainring. Compatible with the Bosch Gen 4 Performance line CX. This is the Non-Boost version with no additional offset. If you need the offset 'Boost' you can find itĀ by clicking Bosch Boost Spider.
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The Bosch Chainring Spider is the latest generation of performance-oriented chainring spider devicesĀ for the Bosch CX Gen 4 eBike drive system. Its patented design connects the motor to the chainring, making for a reliable and powerful ride. Experience increased efficiency and effortless biking with every ride.
Allows the motor to take a standard 104 BCD chainring. Chainring bolts not included.
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