Kavi, Moto, and Novi offer the most height adjustment versions
Kavi
T/C - spring clip, crank (shown), + electric X - gas assisted spring clip | 
Moto
T/C - crank, ratchet, + electric (shown) X - crank, ratchet, lift glide, + lift roller disc - lift glide + lift roller | 
Novi
T/C - spring clip, crank, electric, + ratchet (shown) X - crank, gas assisted spring clip, + ratchet |
Capri, Ria and Rosanno are offered with sping clip adjustable height option. Zoey is available with pin set adjustable height.
