1、5 screws, very easy to install and disassemble, the screws perfectly match the wheel of electric scooter, effectively protect the wheel, prolong the life. 2、Reduces the buildup of brake dust on the wheels, and air circulates around the brakes and helps dissipate heat. 3、Suitable for M365/PRO/PRO2 models and other 5‑holes screw hole spacing 25‑40mm/0.98‑1.57in model. 4、Electric scooter disc brake disc 5 hole type brake disc brake disc 120mm, disc brake disc style is novel, protect your scooter, electric bicycle modification accessories. 5、It is made of stainless steel and processed by multiple processes such as high temperature quenching passivation and rust prevention. It is not easy to be deformed, does not bounce, does not rust, and is not afraid of humid, muddy or dusty environments. Item Type: Disc Brake 120mm+Brake Pad Material: Stainless Steel Weight: Approx.123g/4.3oz Size: Diameter:Approx. 120mm/4.7in, Screw Hole Spacing: Approx. 25mm/1.0in, Approx. 40mm/1.6in Applicable for M365/PRO/PRO2 Models and Other Models with 5-hole Screw Pitch 25-40mm/0.98-1.57in 1 x Disc Brake 5 x Screw 2 x Brake Pad