The Quarq DUB Assembly Crank Arm in 175mm length is a lightweight, carbon fiber crank arm set designed for use with Quarq DZero and DFour DUB power meter spiders. It features SRAM’s 8-bolt direct-mount interface and is built around the DUB spindle system for compatibility with DUB bottom brackets. Ideal for road cyclists seeking stiffness and performance, this assembly includes only the left and right crank arms—spider and chainrings are sold separately.

• Arm length: 175 mm

• Material: Hollow carbon fiber

• Interface: SRAM 8-bolt direct mount

• Spindle: SRAM DUB (29 mm diameter)

• Bottom bracket compatibility: All DUB road BB standards

• Intended use: Road cycling

• Pedal thread: 9/16"

• Includes: Left and right crank arms only (no spider or chainrings)