Rear Shock Spring Rate?
 

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i have the same issue ,,,im at 200 lbs,i backed the spring off several turns,,,as mine was set at about in the middle of the threads either way,,,an set the dampening to slow ,,its slightly better ,,but not good.

I weigh about the same as you guys, but I think the shock spring is too soft. :shrug: I tightened the preload to six turns over minimum for my optimum setting, as described in the following thread. ;)

http://www.chinariders.net/showthrea...t=14677&page=2

A question regarding the shock spring rate of the RX3 was posted on another forum, and Joe Berk said he was going to research the matter. I am subscribed to that thread, so I will post the information here after Joe replies. ;)

Personally, I would like to purchase a quality, aftermarket shock absorber for the RX3. I think the bike deserves a better shock if it is going to reach its full potential as an adventure motorcycle. ;) I have heard CSC is working on developing a quality aftermarket shock with a British company. I hope this shock has about 7.5 inches of travel; I don't care if the saddle height is raised a bit. :)

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Thank you for that insightful post, and for starting this thread. :) The stock shock absorber responds harshly, and can be punishing at times. :ohno: I am certainly no expert on shock absorbers, but I do realize a number of different factors can be contributing to the harsh response of the RX3 shock absorber.

I am very interested in improving the stock shock absorber, and I am confident many others will also become interested in this topic after they accumulate more miles riding the RX3. ;) I think a quality, aftermarket shock absorber might transform this bike, and take it to a higher level of performance, greatly enhancing it's capabilities as an adventure motorcycle.

In addition to a smoother response, I truly wish the shock had a longer travel of at least 7.5 inches. I am not concerned if the saddle height increases a little to accommodate this longer travel. I wouldn't be surprised if a shock absorber from another motorcycle, such as the KLR650, would fit the Zongshen RX3. However, an aftermarket shock absorber might be the perfect solution. ;) Does anyone know much about the Nitron shock absorbers?

http://www.nitron.co.uk/pwpcontrol.php?pwpID=17756

http://www.nitron.co.uk/files/nitron_bike_brochure.pdf