Rear Shock Spring
These Progressive Rear Twin Shock Springs provide improved cornering, shorter braking distances, and better overall balance and feedback, fitting onto the original shock for easy installation.
Additional Notes:
Compatible vehicles:
- 1974-1975 KAWASAKI Z 900
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Let customers speak for us
One of the best experiences . The guys at EPM got everything shipped to me before my Alaska trip
I have a 2025 cvo roadglide . I purchased the Wilbers nivomat system just before a road trip.EPM got everything shipped to me quickly b4 my trip. I installed everything myself and it wasn’t difficult at all. I must say my Alaska trip was 10,000 miles and the Wilbers performed excellent . I would put them at the top of all the suspensions I’ve used over the years
Everything worked great. I only wish there was a little more communication, of receiving and starting work. Still very good people and nice work
Everything worked great. I wish there was a little more contact, when or if they received on when they might start work. Still good staff and work
Haven't ridden yet, I had to wait on inner fork tubes but the seals look well made
Bryan, Mike and Frank and the crew were great work with to help get my YSS re302 sorted with a better spring rate. (46-13-28-180mm) Yesterday I went down a very chattery road and was surprised how much smoother the ride was. I recommend working with EPM Performance.
I installed this on a 2022 RC390 that I use for a track day bike. I could not be more pleased with the performance of this shock it is a huge upgrade over stock. within two laps I was on my previous year PB lap time with far less effort. Out of the box first impression was WOW! this is a well made very nice piece of kit, installation was a Breeze. For anyone on a budget like Myself trying to improve your bike and skill you cant go wrong with this for the price. My hat is off to YSS for producing a shock like this for guys like me.
Could not be more happy with the experience from ordering until delivered
We went for a long bike ride Friday and Saturday. The ride was very comfortable. The shock worked flawlessly. We are very pleased with the set up.
