Chris King Boost Rear Hub - 12 x 148mm 6-Bolt XD Matte Black 28H V2 MFPN=GELE1431000 ZOIZD }Shimano Ultegra ST-R8070 Di2 STI

}Shimano Ultegra ST-R8070 Di2 STI Lever Hoods Black Pair

A7075 largest sprocket

}Park Tool THT-8 Sliding T-Handle Torx Compatible Wrench

Model XM481/370 Size 27

Slip-over release mechanism - the set torque can never be overtightened

Chris King Boost Rear Hub - 12 x 148mm 6-Bolt XD Matte Black 28H V2 MFPN=GELE1431000 ZOIZD }Shimano Ultegra ST-R8070 Di2 STIBoost rear hubs are designed as precision mountain tools. Featuring one piece solid axles to provide a stiff hub that will help your suspension perform better and drive every watt of power into the dirt. To thwart mud water and contaminants as you power through rough trails Boost hubs have heavy duty bearing seals and a threaded driveshell seal ring. Canted flanges for stronger wheel builds Patented RingDrive system with 72 simultaneously interfaced