Oxford Bobbins M10 (1.5 Thread) - BlackBobbin features: Make fitting a rear paddock stand to your bike much easier and quicker. Does not mark a bikes swing arm. The majority of bikes have pre threated holes in their swing arms to fir bobbins (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 to safely fit the rear paddock stand.