105mm Drum Brake Shoes for 50cc (139QMB) GY6 50cc-200cc

105mm Drum Brake Shoes for 50cc GY6 Scooters

These 105mm drum brake shoes are made for 50cc GY6 scooters, specifically the QMB139 model. They are a core part of your scooter's braking system and help keep stopping power reliable. Among the GY6 50cc scooter parts you may need, these shoes should be swapped out once the friction material has worn to roughly 2mm, or sooner if you hear grinding. To get a proper fit, check that the shoe shape and drum diameter line up with your scooter's specifications.

When to Replace It

Brake shoes need periodic replacement to keep braking working well. When the friction material is noticeably thin or you hear strange noises when you brake, it's time to fit new ones.

Specifications

• Outer Diameter: 105mm (4.1 inches)
• Width: 25mm
• Fits: GY6 139QMB 50cc 4-stroke street scooters, 105mm drum brake shoes

Fitment

Compatible with:

• 139QMB 50cc 4-stroke engine (GY6 50cc-200cc family)
• Various unlisted makes and models with 139QMB 50cc engine

How to choose: Measure the inside diameter of your drum. It should be 105mm (4.1 inches), and the shoe width should be 25mm.

Shop more: GY6 50cc Scooter Parts (139QMB) · GY6 Scooter Parts · Scooter Brake Pads & Shoes · Scooter Brake Parts · Scooter Parts