Corbin Backrest Adjustment
Corbin Backrest Adjustment
I took my first long trip with this backrest (about 750 miles in two days) and my lower back is killing me.. The problem is, the top of the backrest will angle backwards while riding which protrudes the bottom portion forward. How can one stop it from doing that? Once it moves like this while riding, I can't move it back to the way I had it unless I stop the bike, get off of it, and then manually tilt the entire backrest forward then the top portion of the backrest can then be angled forward. It takes some muscle to pivot it forward but hit a bump and or wiggle in the seat and it will pivot backwards pretty easily. The set screw, from what I can see, just sets the angle of the bottom so it doesn't go back. Hopefully what I'm describing makes sense and the question is, is there a way to lock it to keep it from pivoting/changing angles?
Elite HDF Member
Joined: May 2007
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From: Bear Flag, lower end
I took my first long trip with this backrest (about 750 miles in two days) and my lower back is killing me.. The problem is, the top of the backrest will angle backwards while riding which protrudes the bottom portion forward. How can one stop it from doing that? Once it moves like this while riding, I can't move it back to the way I had it unless I stop the bike, get off of it, and then manually tilt the entire backrest forward then the top portion of the backrest can then be angled forward. It takes some muscle to pivot it forward but hit a bump and or wiggle in the seat and it will pivot backwards pretty easily. The set screw, from what I can see, just sets the angle of the bottom so it doesn't go back. Hopefully what I'm describing makes sense and the question is, is there a way to lock it to keep it from pivoting/changing angles?
Ultimate HDF Member
Joined: Sep 2006
Posts: 7,101
Likes: 1,013
Yes, that little hidden screw allows you to adjust the angle stop.
If the screw is too short to get the angle you want, use a slightly longer one.
Unfortunately, that's the only angle adjustment on a Corbin.
No real way to lock it in place, you can only adjust where the angle stops at, if that makes sense.
If the screw is too short to get the angle you want, use a slightly longer one.
Unfortunately, that's the only angle adjustment on a Corbin.
No real way to lock it in place, you can only adjust where the angle stops at, if that makes sense.
Last edited by Ragtop; Feb 12, 2018 at 02:52 PM.
Road Warrior
Joined: Sep 2013
Posts: 1,926
Likes: 193
From: ohio
Yes, that little hidden screw allows you to adjust the angle stop.
If the screw is too short to get the angle you want, use a slightly longer one.
Unfortunately, that's the only angle adjustment on a Corbin.
No real way to lock it in place, you can only adjust where the angle stops at, if that makes sense.
If the screw is too short to get the angle you want, use a slightly longer one.
Unfortunately, that's the only angle adjustment on a Corbin.
No real way to lock it in place, you can only adjust where the angle stops at, if that makes sense.
After making some adjustments last night I think I solved my issue. I adjusted the bottom set screw so that the bottom part of backrest was comfortable when the top part was tilted back. Then I tilted the top part forward until it was where I wanted it. I took the plastic trim off the back of it and eye measured the gap between the bar and the pad which was about 1/4". I had a washer about that thick and used it as a spacer. Tilted the pivoted the backrest forward, slipped the washer down over the set screw so it would keep it in place, then pivoted the backrest back against it. Feels like it should be exactly where I want it but won't know for sure until another road trip.
Banned
Joined: Jan 2017
Posts: 17,008
Likes: 14,675
From: in a cave at the foothills
Glad you got it figured out. I bought one used and it didn't come with the adjustment screw. I contacted Corbin and they sent me an email about the adjustment and suggested various length screws.
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