Wedge Pin Style Left Eccentric Crank for Schwinn Airdyne Bikes

• Left Eccentric crank arm attaches to the round shaft of the bottom bracket cartridge by way of a wedge pin

  If your Airdyne Evolution Pro/Comp bike doesn't use wedge pins, eccentric crank will have a square hole instead of a round hole

• Used on older model Schwinn Airdyne exercise bikes