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

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

It attaches to the tailgate using six straps with coated hooks

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