Ruisita 3.25oz Tungsten Weight Set - 3/8 Inch Incremental Cylinder Weights & 4 Polished Speed Axles Kit for RC Car Performance Upgrade - Perfect for Drift Racing, Track Competition and Speed Optimization

The winner of the handmade wooden toy racing competition uses the tungsten weights; it is 1.7 times heavier than lead, allowing you to add more weight to the rear of your car, which will lead to greater potential energy accumulation and increase your speed on the runway and finish line Package includes: a total of 3.25 ounces of racing weight, including 5 pieces of 1/2 ounce tungsten weights, 2 pieces of 1/4 ounce tungsten weights, and 2 pieces of 1/8 ounce tungsten weights; the weight is enough to enhance your racing speed; and there are 4 pieces of grooved axles to match for use, with 1 transparent plastic case Reduce friction: the axle is made of stainless steel and has a smooth surface; there are 2 grooves on the machined axle to store graphite and reduce the contact area between the axle and the tire, minimize axle friction, increase vehicle speed, and obtain faster speed experience Convenient for installation: the diameter of the cylinder is 3/8 inch, which is the standard drill size; you just need to drill a hole, insert the weight and paste it in place; the length of the axle is about 25 mm/0.98 inch, which fits well into the wheel hole to reduce wheel swing Easy to store: you will also receive 1 transparent plastic case with the size of 3.6 x 2.5 x 0.6 inches/9.2 x 6.3 x 1.4 cm, convenient for your storage and carry with you when you go out with them › See more product details