COMES WITH PISTON, RINGS, PIN AND 2 PIN CLIPS THE RINGS WORK EITHER SIDE UP THESE PISTONS WILL ALSO WORK FINE IN THE FOLLOWING BIKES, THEY JUST HAVE A BIT DIFFERENT SKIRT AND DOME DESIGN. CT70_&_C70_TO_81 CL SL XL70'S STANDARD_47MM_(S1179) 1ST_OVER_47.25MM_(S1180) 2ND_OVER_47.50MM_(S1181) GB0/S/1/2PICK_SIZE: STANDARD_47MM_(S1179)1ST_OVER_47.25MM_(S1180)2ND_OVER_47.50MM_(S1181)