WP AER35 Air to Spring Conversion 50cc

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 Air to spring conversion to suit WP AER35 (ATS).   KTM-HSQ-GAS 50cc bikes

Install tool required also - Install Tool 

This ATS fork kit works in conjunction with the OEM single spring (RHS) / air (LHS) setup , transforming this forks action and returning it to a more conventional ‘dual’ spring fork.

The oem system is great for adjusting from soft to hard but simply has too much fork stiction ( due to the large Air piston)  and poor performance for the light weight 50 and 65cc racers.  Our spring conversion Eliminates the need to constantly check air pressure and returns the WP 35 fork back to a smooth operation as to be expected for light weight riders, improving turns, tyre grip and less front end wash outs.

Available with a single spring to match the oem rate with riders under 30kg.  


Fits: 50cc / E5 KTM, Husqvarna and Gas Gas as below:

KTM – 2017-2021

50 SX - SX-E 5

Husqvarna– 2017 - 2021

TC 50 

Gas Gas – 2020-


 Kit includes :

-Air to spring hard parts


-Single spring to match oem spring in RHS fork - (Note: OEM runs air LHS and spring RHS)

Install tool can be purchased from Catalog - tools - AER35 install tool  $39.95