Which Progressive 412
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Tourer
Joined: Apr 2007
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Which Progressive 412
I am looking at some progressive 412 shocks to improve the handling of my Street Bob. They come in several lengths. I assume that the longer ones are the ones that I should be looking at for increased cornering clearance or doesn't it work that way. The longest ones that I see are 12-1/2". Also, they come in black & chrome. I'm thinking that black would look better on a Street Bob.
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Tourer
Joined: Apr 2007
Posts: 438
Likes: 57
I thought that 412s were a significant improvement. I guess not in your opinion. So what shock would you get? Or more generally what would you do (w/o going crazy and rebuilding the bike)?
Grand HDF Member
Joined: May 2007
Posts: 3,870
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From: Alberta
Put 1/2" longer 430's on Wife's 08 FXDL; great improvement. I'm putting stock length 412's with full covers on my FXDF; factory shocks are done...poor rebound dampening. Had 412's before on another bike. Definitely an improvement over 10 year old stockers.
Originally Posted by MMH
I thought that 412s were a significant improvement. I guess not in your opinion. So what shock would you get? Or more generally what would you do (w/o going crazy and rebuilding the bike)?
I replaced the stock setup with 412s and progressive springs up front (and played with fork oil) at the same time, and was very pleased with the overall result. IMO, the 412s were a significant improvement over stock, BUT that's not saying much, because stock (both front and back) are (again IMO) really bad, even dangerous.
I think that the 412s and prog fork springs are what the bike should have at least come out with as stock parts. Not great, but good enough.
There are plenty of better shocks than 412s (it just depends how deep your wallet is really), but for the money, they are a worthwhile improvement over the stock junk.
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I think that the 412s and prog fork springs are what the bike should have at least come out with as stock parts. Not great, but good enough.
There are plenty of better shocks than 412s (it just depends how deep your wallet is really), but for the money, they are a worthwhile improvement over the stock junk.
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Elite HDF Member
Joined: Sep 2008
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From: Northwest
I've been running the covered 412HD at 1/2 shorter than stock, for several years. Nice and firm, good road feel.
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I put 412s and progressive fork spring on my 2014 Wide Glide as soon as I got home from the dealer. Went from 13” to 13.5.
Good bang for the buck. I don’t ride 2 up or long trips.
Noticeable difference in handling. Replace the fork springs too. Drain an ounce or more of fork oil because Prigressive springs are much denser and will raise oil level. I sucked oil out using some tubing I had.
Good bang for the buck. I don’t ride 2 up or long trips.
Noticeable difference in handling. Replace the fork springs too. Drain an ounce or more of fork oil because Prigressive springs are much denser and will raise oil level. I sucked oil out using some tubing I had.
Last edited by user 7172984932; Jul 4, 2018 at 11:56 AM.
Tourer
Joined: Mar 2015
Posts: 295
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From: Northeast
Dumb question - is the length of the shock measured WITH LOAD or WITHOUT? Like, do you measure it when they're mounted on the bike, or when they are off, at rest? I'm just trying to find out the length my shocks are currently at, so I can replace them with the 412s.