they are 1 inch diameter with a 3/8 inch shaft for the spring to sit over

Early style stud replaces OEM# 42430-36

giving your bike an authentic

You have probably seen pictures in the world of social media

In addition to fitting 1948-1952 Model 125 and 1953-1959 Model 165 motorcycles

530 ZVX3 Sealed Extreme Series X-Ring Chain - 120 Links - Chrome Subcategory_Wheel Bearings they are 1 inch diameterEK Chains 530 ZVX3 series ZX ring chain are the ideal replacement chain for any 1000 to 1400cc street bike. Perfect for Hayabusa's, ZX14, Big Twin Harleys, and any other performance motorcycle. Features like lightening holes in the side plates, large diameter pins, and friction reducing new ZX Rings help ensure high performance. Improved design features less stiffness and less weight making this one of the best heavy duty chains on the market. Note: