Lynx Heli Ultra Tail Shaft CNC Pulley Assembly

Lynx Heli
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This is an optional Lynx Heli Ultra Tail Shaft CNC Pulley Assembly. Lynx has redesigned and resized the standard 360CFX/450X Tail Shaft Assembly. Their Tail Shaft is made with special Carbon Steel with superior strength, and has made it factory assembled with a 7075 CNC Aluminum super precise belt pulley. No more tail vibes or tail wag caused by shaft flex, coupled with incredible wear resistance of the CNC Belt pulley. They also chose to anodize red the pulley to make it highly visible and make it more attractive in any tail case.


  • Direct replacement for the standard 360CFX/450X Tail Shaft.
  • Special shims for the fine tail shaft play adjustment, no more side way play.
  • Super Strong Carbon Steel shaft for the ultimate resistance.
  • Reduction Tail vibe
  • Increased tail efficacy.
  • Super resistant in case of crash.

Tail Shaft Material: Carbon Steel HRC 40
Belt Pulley Material: Aluminum 7075 Red anodized finish


  • (1) 450X Ultra Tail Shaft with CNC Aluminum Belt Pulley - Factory assembly.
  • (2) Fine play adjustment shims

This product was added to our catalog on September 16, 2015.

Monday, Nov 2 2015 (11 months ago)
Lynx Heli Ultra Tail Shaft CNC Pulley Assembly
Almost everything Lynx makes is fantastic, both in terms of quality and design. Unfortunately, the cogged pulley on this tail shaft is slightly flawed. In short, it EATS tail belts! I believe this is because the cogs on the pulley are machined with sharp teeth when compared to the stock plastic pulley. The sharp cogs gradually scrape away material from the teeth on the rubber tail belt as it passes over. I've tried a couple different Lynx tail shafts and I've tried varying the level belt tension to try and reduce the problem to no avail... I still get fine rubber shavings all over the tail case in inside the tail boom. Once I went back to a stock plastic pulley the problem immediately disappeared. Sadly, this is one of the few parts on my 450X I've had to keep stock instead of using a Lynx part.