I have the 2017 Trophy Edition and fitted Hyperpro progressive springs front and back.
To me and my limited ability, the springs have made a massive difference to the ride. Before I found the bike quite nervous on long stretches of corrugations for instance but now I barely feel them. The suspension feels more plush and a bit softer up top. I like.
I also fitted the Hyperpro steering damper that has 22 settings at the click of a wheel, was still experimenting with the settings before I got my arm in a sling, but was already on a harder setting than the stock one. I cannot say I can feel the difference when riding though.
The two springs were not badly priced, the damper broke the bank

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