The eeWings All-Road titanium cranks and the included CNC aluminum bottom bracket preloader are the ultimate in stiffness and durability while weighing in at less than 400 gramsIn the same weight range as premium carbon cranks but 20% to 30% stifferButted 3/2.5 titanium arms with CNC 6/4 titanium spindle, crank bolt, and hirth jointBottom Bracket Compatibility: 30mm spindle only. BSA68mm, PF86, BB30 (External Bearing Only), PF30 (External Bearing Only), 386EVOCompatible with SRAM 3-Bolt Direct Mount Chainring InterfaceBrushed titanium finish with laser etched graphicsCane Creek CNC machined 7075 T-6 aluminum preload adjustment10 year limited warranty through Cane Creek172mm30mmTitaniumDirect Mount395gUPC/EAN/GTIN: 840226079127