Weight Rollers 20x17 for special size pulleys 5.5g

[KN Planning W2017-55 Weight Roller 20x17 for Special Size Pulley 5.5g] ・Weight Roller 20x17 for Special Size Pulley, 1 set of 6 pieces [Weight] 5.5g [Size] ・a=20mm ・b=17mm [Compatibility] ・KN Planning Torque Shifter (NXC125-104/V125-58) ・Malossi Pulley (20x17 size) ・Aftermarket High-Speed Pulley (20x17 size) [Manufacturer Notes] *Can be installed on any pulley that uses 20x17mm weight rollers. *Can be used for anything from street riding to racing. *Can be used for setting or as a repair (replacement) part for normal use. *Images are for illustration purposes only, and the design and specifications of the products shown are subject to change without notice. Please understand.