5Dev Titanium Cranks The Best Choice For Cranks Titanium is a wonderful material that is lightweight and extremely durable. When used for a crankset, you'll have something that won't hold you back on the hardest trails. The 5Dev Titanium Cranks are CNC'd on a 5-axis CNC machine from solid stock titanium. They are compatible with 8-bolt SRAM interfaces and come with self-extracting hardware and 7075 aluminum crank bolts. It is available in several different crankarm lengths and either 29mm DUB Boost or 30mm Boost. Features CNC'd on a 5-axis CNC machine from solid stock titanium Compatible with 8-bolt SRAM interfaces Comes with self-extracting hardware and 7075 aluminum crank bolts Available in several crankarm lengths and either 29mm DUB Boost or 30mm Boost SPECIFICATIONSSpeeds10, 11, 12-Speed BB Compatibility29mm DUB, 30mm Chain Ring8-Bolt Compatible Crank Arm Length165, 167. 5, 172. 5mm BB Spindle Interface29mm DUB, 30mm Chainring Material-Bolt Center Diameter (BCD)8-Bolt SRAM Interface Crank Arm Material Ti-6Al-4V Titanium Chainline-Bottom Bracket Included No Intended Use Mountain Weight553g (Boost Spindle) / 564g (SB Spindle) / 583g (DH Spindle) | 5Dev | Titanium Cranks | Raw | 172. 5Mm, 30Mm Boost