Hollow laser welded titanium arms are light, strong, and stiff but utilize a vibration absorbing design to reduce rider fatigue. 3 piece spindle interface allows fitment on 68, 73, or DUB Wide widths and helps future proof these cranks . 8 bolt chainrings mount allows use of standard 5Dev or SRAM chainrings as well as Quarq power meter. 1x and 2x compatible. Diamond coated titanium hardware is included to prevent corrosion, reduce weight, and improve function. Tested in house, these cranks exceed the ISO Standard by 5x in both mountain and road. Weight: 445g for 170mm with 68mm spindle