FSA Bosch G3 BNI Ebike Chainset CK-220 Black FSA Bosch G3 BNI Ebike Chainset CK-220 Black. Available in 155, 160, 165, 170, 175mm. Bosch Axle Interface (BNI). We are based on the south coast of England and have been trading for over 35 years.
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