Smooth my ride (older S40)

[david_kcmo]

Riding suburban paved trail today. Asphalt has buckled in a few places. I thought my insides were going to fall out. What is biggest bang for buck to make ride smoother? Also I’m doing Katy trail in September (240 miles of gravel) and I want to enjoy the ride. Please help.

 

[cpml123]

If you have 700c wheels, I would suggest 38mm tires with tubeless setup so that you can have them at 40psi or so. I have 2017 S40 with 38mm Schwalbe G-one tires. Or you can get 650b wheels and bigger tires with lower pressure setting to get even cushier ride.