JAY J3 -- The Mobility Project

Offers a range of width, height and contour depth shells to fit varying needs.
Lightweight and adjustable, with many hardware choices for easy installation.
J3 hardware uses a clamp style to fit frame tubing from 3/4" to 1 1/8", making it a highly compatible aftermarket option.
Solid shell comes in five contour shapes and four support heights to provide support for different postures and functional needs.
20° of angle adjustability and +2" of width adjustment
Available in a carbon fiber shell that weighs as little as 2.2 lbs. with RH hardware.