HAMILO Mini 4WD Bearing Aluminum with Plastic Set of 8 Rollers, Alloy, 19mm, Rings,

Bearing Rollers for Mini 4WD: This bearing roller set for Mini 4WD is recommended for adjusting speed and stability around corners of the course. It also has excellent impact resistance, so it can withstand the stress of driving. The outer part of the roller is made of plastic, which reduces friction: The outer part of the roller of this bearing roller for Mini 4WD is made of plastic, which means that it is easier to reduce friction when it comes into contact with the course. Aluminum alloy wheels are durable: The wheels are made of aluminum alloy material, so they are durable and will last a long time. If you want to corner at high speeds, this is a great choice. A great set of two colored bearing rollers: This set includes four bearing rollers in each color, so you can install them on multiple Mini 4WDs. We also recommend installing two on each rear wheel. Set contents: Set of 4 of each color (set of 8 in total) Color: Black x Red, Red x White Material: Aluminum alloy x Plastic Size: Diameter approx. 19mm Accessories: Mounting parts *There may be slight differences in the appearance of colors depending on the monitor environment, etc. Bearing Rollers for Mini 4WD: This bearing roller set for Mini 4WD is recommended for adjusting speed and stability around corners of the course. It also has excellent impact resistance, so it can withstand the stress of driving. The outer part of the roller is made of plastic, which reduces friction: The outer part of the roller of this bearing roller for Mini 4WD is made of plastic, which means that it is easier to reduce friction when it comes into contact with the course. Aluminum alloy wheels are durable: The wheels are made of aluminum alloy material, so they are durable and will last a long time. If you want to corner at high speeds, this is a great choice. A great set of two colored bearing rollers: This set includes four of each colored bearing roller, so you can install it on multiple Mini 4WDs. We also recommend installing two of each on the rear. Set contents: Set of 4 of each color (set of 8 in total) Color: Black x Red, Red x White Material: Aluminum alloy x Plastic Size: Diameter approx. 19mm Accessories: Mounting parts *There may be slight differences in the appearance of colors depending on the monitor environment, etc.