Lixada Bicycle QR Skewers, made of aluminium alloy and_titanium, feature light weight and durability. It is compatible to road bike and mountain bike. Features: Made of aluminium alloy and_titanium. Ultra lightweight and durable. Compatible to road bike and mountain bike. Specifications: Brand: Lixada Material: Titanium & 7075 Aluminium alloy Color: Black / Red / Blue / Silver / Gold (optional) Spec: Front:100mm, Rear:135mm Package Size: 24.7 * 12.7 * 2cm / 9.7 * 5.0 * 0.8in Package Weight: 58g / 2.0in Package List: 1 * Pair of Bicycle QR Skewers