Compatibility: These RC hex hubs Weights, it designed for almost all 1.9inch Wheel with 12mm hex, like for 1/10 Trx4 Trx6 Axial SCX10 II III Redcat GEN7 GEN8 RC crawler car and so on
Superior Material: The 2.2 brass wheel hubs made of high quality brass,much more heavier than the aluminum one, replacement of original rc wheel spacers
Enhanced Stability: Heavy-duty RC Crawler hex hub, Heavier weight can lower the center of gravity and increase the stability, making the crawler car more stable during climbing and avoiding overturning during climbing
Excellent Performance: The RC hex hubs 6mm/9mm/12mm/15mm/18mm/22mm Extended Weights Adapter adds width extension on each side to broaden the vehicle's stability, cornering speed and braking efficiency
Easy to install: The RC crawler wheel weights are easy to install and can be attached to the wheels with minimal effort, using screws. A great replacement or upgrade part for the old or broken one