These wheels come with complete rims, spokes and hub setup. 28 holes / Inner diameter of wheel bearing is 12mm. Heavy duty spokes and anodized 10 x 1.40 alloy rims. Fits stock XR/CRF pit bikes.All new wheels require a spoke break in period, until the spokes are settled in, You. Please Check all wheel spokes. Re-Check all spokes after EVERY ride for the first 5-10 rides until they settle in place, then check periodically. The item "Black Front & Rear Alum wheels rims 10 10 inch CRF50 XR50 Pit Bike Stock Drum" is in sale since Friday, March 23, 2018. This item is in the category "eBay Motors\Parts & Accessories\Motorcycle Parts\Other Motorcycle Parts". The seller is "piranhapitbikes" and is located in Akron, Ohio. This item can be shipped worldwide.