The spindle and arms are both made from heat-treated 4130 Chromoly. Featuring a unique radius box section, internally machined 24mm hollow 48-spline spindle, angular arms to assist crank slides and an embossed "F" logo.
COONIUM BSA Threaded 68-73 mm Ceramic Bearing BB Bottom Bracket for 24mm (Compatible with Shimano) or 22/24mm (SRAM GXP) Crank Spindle
Belnotelt Steel Bottom Bracket Adapter For SRAM 24mm To 30mm Crankset, Wave Washer Spring Reducing Sleeve For Bicycle Cycling Components Repair Parts(24MM)
QUYCOIU Mountain Bike Wheelset 26/27.5/29in Thru Axle 142mm/Quick Relase 135mm 32 Holes Front 2 Rear 4 Bearings Disc Brake Rims Width 24mm Aluminium Alloy For 8-13 Speed(29in)
COONIUM BB86 / BB92 Threaded-Together Ceramic Bearing Press-fit BB Bottom Bracket Compatible with 24mm Shimano or 22/24mm SRAM GXP Crank Spindle
Juscycling BB30 Threaded-Together Bottom Bracket, Steel Bearing Press-fit BB Bottom Bracket Compatible with 24mm Shimano or 22/24mm SRAM GXP Crank Spindle
BBB BottomAdapt 386 or 392Evo To 24mm Shimano Reducer 30-24mm Gold BBO-17