Japan-cut bicycle chain wheel (F) with attached crank arm, offered in cottered and cotterless versions for the front drive of a bicycle, where it carries pedalling force to the chain. The chainring has slim open spokes inside a toothed rim, in a bright silver finish, and the crank arm ends in a round pedal eye. Available sizes are 1/2" x 1/8" x 28T / 32T / 36T / 40T.