Important *About the model of the scooter? Suitable for: Kugoo G2 Pro / Kugoo m4 Pro /Kugoo m5 Pro/Langfeite L8/Kaabo Wolf Warrior 11/smartgyro speedway v2 Kugoo Maxspeed 2019/ janobike t10, etc. The front and rear brakes are installed on the right side, and the front and rear calipers are the same The scooters with the same brake installation angle as above are suitable for this brake kit. If you dont confirm if your scooter is suitable , please send the scooter photos to the customer service, we will help you purchase. Model: R-100 Type: Right-side Installation Piston: single piston Installation hole distance: A-pillar (PM): 74mm B-pillar (IS): 51mm Features: Low noise,good stability Fast heat dissipation Material: aluminum alloy Colour: Red Rotor: 140mm / 160mm Right side installation How to judge if it is suitable for your scooter Type 1: When the front and rear brakes are on the right sideand they are limited to this angle of installation Model can refer to Kugoo M4 Pro / Kugoo M5 Pro/Langfeite L8 / Kaabo Wolf Warrior 11 / Smartgyro speedway v2 / Kugoo Maxspeed 2019 / janobike t10 Type 2: When the front brakes are on the Left side , they are limited to this angle of installation Model can refer to KUGOO G2 Pro High-strength aluminum alloy Precisely adjustable Pull wire fine-tuning Brake pad push adjustable screw Wire core fine-tuning knob 140mm Rotor 160mm rotor