many kinds of bicycle chain wheel with crank, including: 1100g, 44T and 48T;1030g, 44T and 48T; and so much. many kinds of bicycle chain wheel with crank, including: 1100g,44T and 48T;1030g, 44T and 48T; and so much.165mmx1/8'':175mmx1/2''. chain wheel with crank