Features:1. Constructed of quality and high-strength materials. Durable and not easy to rust.2. Hollow axis, suitable for mountain bikes, road bikes, folding bikes, BMX, bottom bracket width 68-73mm.3. Lightweight and small size, easy to install and use.4. Upgrade your bike and bring a better experience.5. Suitable for modified, DIY, upgrade the bike.Notice:Actual color may be slightly different from the image due to different monitor and light effect. Please allow 1-3cm deviation due to manual measurement.Description:Crank Material:Aluminum alloySize: As the picture shownDisc: 32/34/36/38T positive and negative teethColor/Style: As the picture shownincludes:choice 1: 1 x Crankset, 1 x Installation Accessorieschoice 2: 1 x Crankset, 1 x Axis, 1 x Installation Accessorieschoice 3: 1 x Axis, 1 x Installation Accessories