Noun
crank arm (plural crank arms)
(cycling) One of the two lever components that attach the bottom bracket spindle to a pedal.
The drive side crank arm on Specialized Fuse Comp and Fatboy SE bicycles may disengage. Source: Internet
No injuries have been reported but don’t ride these bicycles and contact Authorized Specialized Retailer or Specialized Bicycle Components at 877-808-8154 to receive a free replacement crank arm. Source: Internet