Pursuit 72x43 mm non-ratcheted wheel for classic rollerskis. These are a great money saving solution for replacing wheels on Swenor Fibreglass classic rollerskis. Right now we are offering this in our speed 2 rubber formula. Outside diameter of the hub with bearings is 32.2 mm and we have conversion spacers that are 8.9 mm, bringing total width to 50 mm to match Swenor Fibreglass. Weight: 194 grams each built with bearings (very light).