These standard motorcycle fork dust seals from Bike-It help to minimise debris, dirt and contamination reaching and damaging the oil seal and therefore extending the fork seal life and perfromance. They come in a range of sizes to fit a varierty of motorcycles and a are sold as a pair. Please choose the appropriate part numbers corresponding to the sizes you wish to purchase using the guide below : Part Number Description BIKFKD100 27x39mm BIKFKD102 33x45mm BIKFKD104 33x46mm BIKFKD106 26x37.5mm BIKFKD108 41x54mm BIKFKD110 37x50mm BIKFKD112 36x48mm BIKFKD114 37x49mm BIKFKD116 38x50mm BIKFKD118 39x52mm BIKFKD120 41x53mm BIKFKD122 43x54mm BIKFKD124 43x55mm BIKFKD126 45x57mm