Constructed of 24 aluminum Spindle Sram 8 bolt mount and full carbon, the Neutron Crank Arm easily installs. Beyond 

• No heavy-duty torque wrench required – simple tools are enough.

• Q-factor identical to Shimano – no adjustments needed.

• No extra spacers – faster, cleaner setup.

Performance Upgrade Over Previous Generation

• 12% lighter – reduced weight for improved efficiency.

• 25% stiffer – enhanced power transfer and responsiveness.

335g a set with two crank arm and spindle.