Cranksets BBB

E-bike Mount chainring spider:- Upgrade your e-bike with the E-bike Mount chainring spider. Tailored for Bosch gen. 4, it pairs with any 4-arm chainrings (BCD 104mm) and boasts a 52mm chain line, enhancing efficiency. Crafted from robust steel, it guarantees long-lasting performance.Specifications:- Crankset type: Single- Arm quantity: 4 arm crankset- Bolt Circle Diameter (mm): 104- Compatible with: Bosch gen. 4- 52mm chain line- Durable steel spider