Well, the folks at SR Suntour would probably tell you to swap your old school rigid fork for their Swing Shock suspension fork for commuter bikes. Depending on whether you're more of a gadget ...

If you want a lot of adjustment at an affordable price the SR Suntour Durolux 36 R2C2 Boost EQ is one of the best budget mountain bike forks around. It delivers a lot of the best suspension fork ...