Oxford Spinners Motorcycle Bobbins The Oxford Spinners are a premium rotating motorcycle paddock stand bobbins that make working on your bike infinitely easier. The majority of bikes have pre-threaded holes in their swing arms to fit bobbins (if you're unsure consult your bike manufacturer for the bolt and thread size required for your bike). Some bikes have uneven swing arms, making the use of bobbins the only way to safely fit your bike on a rear paddock stand. https://www.youtube.com/watch?v=Ygr6GaXc1Sk Motorcycle Bobbins Features: Premium rotating paddock stand bobbins. Designed to make paddock stand use even easier. Lightweight anodised alloy. Stainless steel bearings and steel bolts. Available in black or silver.