Specifications: Weight:440g size:30*20*2cm Material: stainless steel Features: 1. The bike skewer silver steel quick release compatible with most bikes using a quick release. 2. The quick release skewer for mountain bike with high strength, anti-rust, non-deform and durable for long time use. 3. The rear tire tool removal rod kit for mountain bike and indoor cycling trainer, which performs well in practical use. Package include: 4* quick release rear wheel skewer