ITEM NAME:17mm Front Sprocket Retainer Clip, For 420 428 Chains, Pro Trail Dirt Quad Bike Description: 100% Brand New 17mm Front Sprocket Clip Holder Retainer Washer Use for 420 428 chains Fits for Pit Pro Trail Dirt Quad Bike Atv Dune Buggy Diameter of Centre Hole: approx. 17mm/0.67'' Distance Between Mount Hole(centre to centre): approx. 30mm/1.18'' Total length: approx. 43mm/1.69'' Small hole diameter: approx. 6mm/0.24'' Material: Metal Package Includes: 1 Piece Front Sprocket Retainer Clip Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. SKU: DMO0000381067005426.1 Piece Front Sprocket Retainer Clip. Use for 420 428 chains. Fits for Pit Pro Trail Dirt Quad Bike Atv Dune Buggy. Distance Between Mount Hole(centre to centre): approx. 30mm/1.18". Due to the light and screen setting difference, the item's color may be slightly different from the pictures.