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Ronstan Low Friction Ring - 16mm Hole [RF8090-16]
Ronstan Low Friction Ring - 21mm Hole [RF8090-21]
![Ronstan Low Friction Ring - 16mm Hole [RF8090-16]](http://elcapitan.com/cdn/shop/products/55373XL_{width}x.jpg?v=1644931042)
![Ronstan Low Friction Ring - 16mm Hole [RF8090-16]](http://elcapitan.com/cdn/shop/products/55373XL_580x.jpg?v=1644931042)
![Ronstan Low Friction Ring - 21mm Hole [RF8090-21]](http://elcapitan.com/cdn/shop/products/55374XL_{width}x.jpg?v=1644931041)
![Ronstan Low Friction Ring - 21mm Hole [RF8090-21]](http://elcapitan.com/cdn/shop/products/55374XL_580x.jpg?v=1644931041)