Patent ID: 6845687

Claim:
A crank arm comprising: a crank arm body having an axle mounting boss on a first end and a pedal mounting boss on a second end; wherein the axle mounting boss defines an opening for receiving an axle therein; wherein the axle mounting boss includes a first mounting ear in close proximity to a second mounting ear; wherein the first mounting ear includes a first fastener opening; wherein the second mounting ear includes a second fastener opening; wherein the first mounting ear includes a third fastener opening in close proximity to the first fastener opening; wherein the second mounting ear includes a fourth fastener opening disposed in close proximity to the second fastener opening; wherein the fourth fastener opening is structured for lockingly engaging a first fastener: wherein the first fastener opening is structured to allow relative movement between the first mounting ear and the first fastener when the first fastener lockingly engages the fourth fastener opening; wherein the third fastener opening is structured for lockingly engaging a second fastener: and wherein the second fastener opening is structured to allow relative movement between the second mounting ear and the second fastener when the second fastener lockingly engages the third fastener opening.