Size: 10 MM (3/8")

Replacement for OEM # 60-4512

and the rear sprocket is 53 teeth

Qty 2 Timing cover seals OEM 70-4568

Clamp on Tensioner 530 Sprocket - 1 inch Tubing Capacity_2 - 2.5 gallon Size: 10 MM (3/8")This tensioner is used to keep the chain tight automatically, which avoids chain slap which can cause drive issues as well as damage to fenders and frames. 1 2 thick steel bracket machined and powder coated, clamps right on your bike! Done. Made in the USA. Fits 530 Chain (Standard) 13 tooth idler sprocket with sealed bearings and hardware Clamps designed for 1 inch tubing Powder Coated Black Tig Welded The spring is hand wound spring stainless steel