SRAM RED Crank Arm Assembly - 170mm 12-Speed 8-Bolt Direct Mount DUB Spindle Interface Natural Carbon E1 CheckoutSpec= 75mm S x 251 lbs/in you can use the shortest

you can use the shortest set of shockcords to lock it down your phone

2013+ Reba/SID/Revelation SoloAir complete spring kit includes black top cap

} Choose from two mounting options: inline or offset (for use with waterbottle cage)

Includes: 3 4 5mm hex and T25 T30 Torx bits

SRAM RED Crank Arm Assembly - 170mm 12-Speed 8-Bolt Direct Mount DUB Spindle Interface Natural Carbon E1 CheckoutSpec= 75mm S x 251 lbs/in you can use the shortestSRAMs lightest and stiffest crank arms Compatible with 8 bolt spiders, chainrings, and powermeters SRAM Model ID: FC RED ASSY E1 TECH SPECS Crank Arm Length 170mm BCD Direct Mount SRAM 8 Bolt