eeWings Mountain cranks are virtually indestructible and stunning on nearly any type of bike - from gravel race machine, to heavy-hitting bike park rig, to the undetermined bike you’ll build 10 years from now. They’re as light as carbon cranks but offer significantly more durability and impact resistance – not to mention industry-leading power transfer. Now with 8-bolt chainring and power meter compatibility, an ultra-friendly 8mm fixing bolt, and more ground clearance. Key Features At approximately 398g eeWings are lighter than most carbon fiber cranks but offer the strength and reliability that none of them can offer Butted 3/2.5 tubular titanium arms with machined 6/4 titanium spindle and Hirth joint Timeless looks and perpetual style - eeWings look good with everything eeWings fit nearly every bike frame and are compatible with the latest popular drivetrains and power meters Compact and lightweight hirth joint minimizes overlapping and redundant material yet maintains incredible torsional rigidity to result in the most direct power transfer possible Includes a fully machined, 7000 series aluminum preloader with titanium pinch bolt for precisely setting the preload on your bottom bracket bearings and ensuring a perfect fit with your frame (bottom bracket sold separately) 176mm Q-Factor Cane Creek backs these eeWings cranks with a limited lifetime warranty Specifications Number of Chainrings No Rings, No Spider Included Chainring BCD Direct Mount SRAM 8-Bolt Chainline/Hub Compatibility 141/148 Boost Hubs Color Titanium Crank Length (mm) 165 BB Included No Pedal Spindle 9/16" Defined Color Gray