rear shocks
Club Member
Joined: Jun 2007
Posts: 45,429
Likes: 2,898
From: Bedford UK
If the two shocks have springs and are visibly different when compared, then they will fit, but I personally wouldn't advise using them. The reason is they have different spring rates each side with one performing the compression damping, while the other provides extension damping. To do that as designed they really need the much stronger swingarm installed on the later bikes, to give their best and your s/a isn't anything like as stiff.
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3rd Gear
Joined: Mar 2017
Posts: 7
Likes: 0
From: chicago
There isn't a clear answer to that question! Which shocks does the 2015 bike have? If they are air shocks, then yes they will fit and work, just bear in mind that they probably use higher air pressures than your old ones. You may have to sweet talk an owner of a later bike to confirm the pressures to use (the spec of air shocks changed over the years).
If the two shocks have springs and are visibly different when compared, then they will fit, but I personally wouldn't advise using them. The reason is they have different spring rates each side with one performing the compression damping, while the other provides extension damping. To do that as designed they really need the much stronger swingarm installed on the later bikes, to give their best and your s/a isn't anything like as stiff.
If the two shocks have springs and are visibly different when compared, then they will fit, but I personally wouldn't advise using them. The reason is they have different spring rates each side with one performing the compression damping, while the other provides extension damping. To do that as designed they really need the much stronger swingarm installed on the later bikes, to give their best and your s/a isn't anything like as stiff.
Club Member
Joined: Feb 2013
Posts: 9,810
Likes: 8,709
From: Edmonton, Alberta
Good call on the Revo-A's, but yeah just sell the '15 shocks for whatever you can get and put the money toward some Progressive's for the Road King; even those would be a big improvement.
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3rd Gear
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From: chicago
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