Welcome AiTuiTui 1 Pair Bike Quick Release Axle Skewer Bicycle Hub Parts, Front & Rear Axle Hollow Shaft Kit Replacement for Road Bike, Mountain Bike, MTB, BMX - The new updated Road Mountain Cycling parts are made of Steel 1045, the quick release are made of alum, durable and practical for most bikes. - Usually the axels fit 20" 22" 24" 26" 28" bike, work on a 6 7 8 speed road bike, durable and extra hard dustproof cap, the thickness: 65 degrees, 2.4mm / 0.09inch. - The long release lever for the rear wheel, hollow shaft size: approx. 5.7", diameter: approx. 0.35", quick release: approx. 7.48" - The short release lever for front wheel, hollow shaft size: approx. 4.33", quick release: approx. 6.3" - The quick release skewer weight: approx. 270g / 9.2oz, color: black The Fine Print Shipping Free Shipping Shipment processing time All orders are processed within 2-3 business days. Orders are not shipped or delivered on weekends or holidays. If we are experiencing a high volume of orders, shipments may be delayed by a few days. Please allow additional days in transit for delivery. If there will be a significant delay in shipment of your order, we will contact you via email or telephone.