Cane Creek eeWings 8-Bolt Ti Cranks. Features: Titanium arms and spindle are the ultimate in stiffness and durability Designed to handle the rigorous demands of aggressive trail and Enduro riders Compatible with 8-bolt SRAM direct mount chainring options (not included) with 8mm fixing bolt Can be used on Gravel 47mm chainlines with appropriate spindle spacers CNC machined 7075 T-6 aluminum bottom bracket preloader Bottom bracket not included, use DC91* 398g (170mm) Specs: Model:eeWings Mountain Length:160mm Direct Mount BCD:8-Bolt Configuration:1x Spindle Interface:30mm BB Shell Width:73mm Chainline:52/55mm Material:Titanium Color:Silver