E*Spec Direct Mount Aluminum Carrier

The e*spec 104BCD Carrier Spider facilitates the use of any 4-bolt standard 104BCD chainring on e-bikes, for less expensive chainring replacements and reduced waste. Forged from 6-series alloy for light weight and stiffness, it can be paired with long-wearing steel or lightweight alloy chainrings. Available in Bosch Gen4, Fazua Ride60, Shimano EP8, and TQ HPR50 interface standards.