Did not have good luck with this mainshaft, I believe it's too soft and bends easily and the ends get stuck in the transmission and very difficult to remove. I would highly recommend sticking with the steel main shaft instead and run the titanium spindle with it.
This is a replacement Align Main Shaft, intended ...
for use with T-Rex 300X Electric Helicopter kits. Includes: (2) Main Shafts (2) Round head hexagon socket screw (M2x8mm) (2) Semi round head hexagon socket screw (M2x4mm) (2) Washer (2x4.8x0.6mm) This product ...
This is an replacement Kyosho Aluminum Direct Main ...
Gear Shaft, intended for use with the Ultima RB7SS Kit. This pack includes one aluminum direct main gear shaft, "velvet coated" for added strength and style. Note: For use with the KYOUM769 ...