Cane Creek eeWings Crank Preloader - Fits 28.99/30mm Spindles Gold Color-Silver/Gray Tanpan 10 allows you to

Tanpan 10 allows you to use a 10 speed road shifter with a 10 speed mountain derailleur

which can mean klister

}SRAM GX Eagle SuperBoost+ Crankset - 170mm 12-Speed 32t Direct Mount DUB Spindle Interface Lunar 56

A lot of people also run this on their DH rig

}Wheels Manufacturing Universal Derailleur Hanger - 487-6 For Trek ABP MTB Frames designed to accept SRAM UDH Black/Blue

Cane Creek eeWings Crank Preloader - Fits 28.99/30mm Spindles Gold Color-Silver/Gray Tanpan 10 allows you toBlack aluminum spacer preload ring, a gold aluminum thread ring, and a titanium 2. 5mm hex fastening bolt Designed to fit onto 30mm crank spindles from SRAM and Raceface Loose the plastic preload on your crankset, add piece of mind TECH SPECS Misc Gold