SIZE --- Front Quick Release Level: approx. 18.7cm/7.4in, Rear Quick Release Level: approx. 22.5cm/8.9in, Aluminum Alloy Nut Out Diameter: approx. 17.5mm/0.7in. AVAILABLE IN COLORS --- Black, red and silver. There are three colors of bicycle hub quick release lever for you to choose, easy to set and quick to install. MATERIAL --- The bicycle hub quick release lever is made of high-quality material, which is high in strength, light in weight, strong and wear-resistant, and can be used for a long time. APPLICATION --- It is applicable to bicycles with quick release device, and is compatible with most road bicycles, mountain bikes, etc. Specification: Item Type: Universal Quick Release Lever Material: Aluminum Alloy + Titanium Alloy Front Quick Release Lever: Approx. 18.7cm / 7.4in Rear Quick Release Lever: Approx. 22.5cm / 8.9in Aluminum Alloy Nut Outer Diameter: Approx. 17.5mm / 0.7in Weight: Approx. 70g / 2.5oz Application: Bikes With Quick Release Device Package List: 1 x Front Quick Release Lever 1 x Rear Quick Release Lever