Ultra light top shaft that has been drilled and the teeth narrowed for increased acceleration and a cooler running motor.
Only 9.5gr complete with hardware and 72 spur - the stock assembly is 22gr! Use optional alloy hardware for even more weight savings.
Recommended for stock use only.
Requires Exotek Spur Mount 1726 and spur gear, sold separately.
- extremely light weight
- less rotating mass
- lower CG
- you cannot use a slipper on the top shaft
- must use Exotek or Kimbrough spur gears
Some pictures show the top shaft in comparision with the stock version, or build in, or with the spur and the mount. We'll only deliver the mentioned top shaft incl. locknut.