Hope Tech PRO 4 Rear Hub Thru Axle SRAM XD - Silver Variant:Boost (148x12mm) 9mm Front derailleur materials： Steel

9mm Front derailleur materials： Steel cage

It attaches to the tailgate using six straps with coated hooks

Available in D

Clamp Diameter: 31

The SHIMANO GRX RX400 front derailleur offer lighter front shifting operation and easier setup thanks to the new link construction and integrated cable tensioner

Hope Tech PRO 4 Rear Hub Thru Axle SRAM XD - Silver Variant:Boost (148x12mm) 9mm Front derailleur materials： SteelPro 4 Rear Hub "The benchmark disc compatible front hub" Incredibly versatile and easily serviceable hub with a proven reputation for bullet proof quality time and time again. The 6 anodised colours throughout the range give the ultimate in bike customisation. Key Features 10, 11 and 12 speed compatible Sealed stainless Steel cartridge bearings throughout Hub shell machined from a single forged aluminium billet Standard 6 bolt disc fitting 4 Pawl