21"wheel/tire/rotor issue
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6th Gear
Joined: Jun 2014
Posts: 11
Likes: 2
From: jacksonville,fl
21"wheel/tire/rotor issue
I upgraded the front wheel with a 21inch Reinforcer with rotors and bearings installed and a Shinko tire(I will be ordering a Mich later) package deal for my 2009 SG with ABS. Prior to the install I took the bike to the stealer to have the ABS flush service because I installed new brake lines and EBC pads. Anywho, I removed the old rim/tire and installed the wheel on the bike and made sure the tire was in the correct rotation. Torque up and went for a test ride. When I start to apply the front brakes it wants to stop but there is some shaking going on down there that I can feel thru the bars. I rechecked all the bolts and calibers all was tight. There is a small space between the stock right spacer and the wheel which i ordered some tapered spacers but the wheel is solid with no looseness on the ground or on the lift. the ABS wheel sensor is where it should be per the service manual. ABS light goes off when I take off and does not seem to malfunction. Has anyone experienced this issue and How was it resolved. Thanks
Road Master
Joined: Nov 2008
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From: LA - (Lower Alabama)
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i put a 21 wheel w new rotors and pads and am getting a vibration issue a s well. Original spacers went back in w no gaps. I just dropped it off at dealer yesterday to have it inspected. I am thinking bad bearing.
i put a 21 wheel w new rotors and pads and am getting a vibration issue a s well. Original spacers went back in w no gaps. I just dropped it off at dealer yesterday to have it inspected. I am thinking bad bearing.
Road Warrior
Joined: Aug 2014
Posts: 1,898
Likes: 390
From: NJ
Did you follow the proper torque sequence? And did you put antisieze on the axle? Also the spacer has little lines on it. Are the in the same orientation as before?
Last edited by Jersey Drew; Jan 15, 2022 at 07:44 PM.
Road Warrior
Joined: Dec 2010
Posts: 1,268
Likes: 507
From: Florida
If spacer has a lip on the inside where it contacts the inner spacer , the small gap will be there.
Last edited by V-Twins & Bowties; Jan 16, 2022 at 04:54 AM.
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Road Warrior
Joined: Aug 2014
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From: NJ
The only other thing I can think of is that there are two different size wheel bearings one is 1 inch and the other is 25mm (or something like that) were the wrong wheel bearings installed on your wheels? Because you might have the smaller axle with the larger bearings and that’s why it’s shaking.
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Thread Starter
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6th Gear
Joined: Jun 2014
Posts: 11
Likes: 2
From: jacksonville,fl
Well I would think mismatch bearing would be most noticeable when I installed the axle and when riding. I only get the shake when applying the brakes. A biker friend told me today he had the same issue when he changed wheels. Turned out to be the rotors were wrapped. I told him these were new and he said so they still could be warped enough to cause the shake and vibration when the brakes applied, I don't know how I would check them other then removing them and having them looked at
Road Warrior
Joined: Aug 2014
Posts: 1,898
Likes: 390
From: NJ
Well I would think mismatch bearing would be most noticeable when I installed the axle and when riding. I only get the shake when applying the brakes. A biker friend told me today he had the same issue when he changed wheels. Turned out to be the rotors were wrapped. I told him these were new and he said so they still could be warped enough to cause the shake and vibration when the brakes applied, I don't know how I would check them other then removing them and having them looked at
take it apart again and put the original rotors from your original wheel onto the new wheel and see if that solves your issue