Product Material: Bicycle quick release skewer are made of high quality stainless steel, durable for long time use. Package Content: 1 Pair wheel hub front and rear skewers quick release clip bolt lever. Easy Install: Shorter set of hollow shaft and hub quick release lever for the front wheel, longer one for the rear wheel. Easy to Carry: Bicycle quick release skewer is ultralight than other material made skewers, adding no heaviness to training. Widely Used: Suitable for front and rear wheel of mountain bike or road bike. Weight: 94g Dimensions: Rod diameter approx. 4.5mm, front QR approx. 145mm, stem diameter approx. 4.5mm, rear QR approx. 185mm Color include: red, black, blue, gold, silver Material: steel shaft + aluminum alloy handle + PVC gasket quick release cap Package includes: 1pair*bike quick release lever