Features1Metal Material: Made of high quality steel material, high strength, sturdy and durable, reliable performance, and long service life. 2Scope of Application: Installation screw nut gasket assembly is suitable for Bafang mid drive motor BBS01 BBS01 BBSHD. 3Replacement Part: You can replace the old or damaged parts to obtain higher strength, stable and reliable performance. 4Light Weight: Light in weight, small in size, easy to carry, will not increase your burden, can bring you more convenience. 5Good Workmanship: Exquisite workmanship and beautiful appearance design, providing you great using experience.SpecificationItem Type: Installation Screw Nut Gasket Assembly for Bafang MotorMaterial: SteelColor: As Pictures ShownWeight: Approx. 158g / 5.6ozPackage List7 x Bolt2 x Crank Bolt1 x Triangular Board2 x Adapter5 x Screw