All last year Felt DD30 rigid fat with 3.8 Jumbo Jims. That bike made me feel a little outgunned in chunky steep stuff going downhill. I would still bounce down it at a good speed but I could feel the limitations of the geometry, my skills and the underpowered brakes as opposed to lack of suspension. As far as riding experience I just never grew up, BMX bikes as a 80’s kid. Cahoney size is inversely proportional to wheel size as decades roll by.