Dr. Pulley Sliding Roller Weights 24x18 (22g) Size: 24x18, Set of 6 Fits Honda CN250, CN 4T 250, Helix 250, Elite 250, Suzuki Burgman 250 and many more. Increases acceleration and re-acceleration properties Broadens your range of gear ratios; Increases top end speed Lasts longer than standard roller weights