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Product Description
Pit Sheave Wheel 84 mm this pit winding gear wheel is designed to have a 3 mm brass tube bearing, which will allow free running, there is a groove around the outside of the wheel to allow for the winding cables. The size of the wheel at 84 mm works out at 12 foot in 7mm scale, & 21 foot in 4 mm (HO, OO) scale. There are other sizes available see my shop.