Fits B44.1 buggy (L: 64mm x W: 19mm x H: 13mm)
87g zinc alloy cast weight to offset the weight difference in LiPo batteries
Keeps weight centralized on the chassis in between the LiPo cells
Mounts with two included screws -- easy to install
Used by Ryan Cavalieri to win 2010 ROAR Nationals, Cactus Classic, and Hot Rod Shootout