Bosch Design Cover Performance Line CX Left (BDU374Y) - The smart system CheckoutSpec= Outer Rear Hub Driveshell Conversion with

Rear Hub Driveshell Conversion with Twin bearings for easy repair or replacement

Double chainrings are only supported with GS (medium cage) rear derailleurs

A direct replacement for SRAM’s Full Mount Bolt Kit

Shimano chainrings for Tiagra FC-4703 3x crankset features a refined gear shape optimized for HG-X chainsCrafted with high strength aluminum for durability and light weight Color Black Ring Position/Type Outer Tooth Count 50 Round or Oval Round Drivetrain Speeds 10 Chainring BCD 110 Shimano Asymmetric Material Aluminum Defined Color Black Bcd 110 Ring Position Outer

Bosch Design Cover Performance Line CX Left (BDU374Y) - The smart system CheckoutSpec= Outer Rear Hub Driveshell Conversion withBosch Performance Line drive unit replacement covers keyword search EB1120000Y