Ultra light top shaft set for the Associated B7 buggy series for increased acceleration, rpm's and a cooler running motor.
In the world of ultra competitive stock racing on high grip tracks, every gram counts and there is no better way to separate yourself from the pack than having a more efficient and lighter drive trainch
Maintains the stock gear teeth width for durability.


- light weight 7075 top shaft and spur mount with a hard anodized top shaft.
- Requires the use of Exotek Flite spur gears or Kimbrough 1/10 on road spur gears - Not included.


- Stock slipper and top shaft assembly with spur gear= 26.8gr
- Exotek Flite top shaft spur mount with spur gear= 10gr! (even lighter if you replace the steel hardware!)