Uminino 8mm Motorcycle Aluminum Swingarm Spool Slider CNC Stand Screw Accessories Kawasaki NINJA400 Ninja400 Ninja 400 2018-2021 Swingarm Slider Spool (Size: B Green)Compatible with: KAWASAKI NINJA400 2018 2021 Damage Reduction and Shock Absorption: In the event of a minor collision or fall, the swingarm slider spool reduces direct contact of components with the ground or other surfaces, minimizing potential damage. When ordering, please make sure this product is suitable for your motorcycle. Manufacturer: Uminino Official store Brand: Uminino Model name: Uminino Official store Packing size: 3 x 2 x 1 cm; 50 g