Robart #510W1 90 deg Mains

90 degree Spring-Down Main Gear w/ 3/8" or 7/16" diameter Struts (pair)

The 510 Series retract offers a high performance air up and spring down with an economy price.
The 510 Series Main Gear can take a 3/8" or 7/16" diameter RoboStrut or 3/16" diameter gear wire kit is also available.

Constructed out of high quality aircraft grade aluminum.

If you are planning on using 3/8" diameter RoboStruts you will need to order a set of sleeve adapters.