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I hit a BIG pothole the other day and have been worried about my front wheel ever since. I know these larger front wheels are easier to bend and a few times Ive looked at the edge of the rim while on the freeway to see if I could see a bend but because of the funky design of the 14 SGS wheels I couldnt tell.
So today finally got around to measuring it by rigging up a dial indicator using a flexible cell phone suction mount and spun the wheel.
It showed the rim was approximately .017" out of round and I was sure that meant It was bent and I had to replace it. Looked in my service manual and it says the tolerance is up to .030" for both cast and laced wheels. Other bikes I've owned in the past have had tolerence's as low as .008 so I was surprised to see .017 was ok with Harley.
Oh... and now I have a very fine scratch all the way around the lip of my wheel from where the ball end of the gauge rested on it. Lucky Me
" I know these larger front wheels are easier to bend "
Why and what kind of data backs this up?
Its common knowledge and just plain makes sense from an engineering standpoint by looking at them. The larger the wheel, in conjunction with low profile tires, the more susceptible they are to damage. This is amplified even further with automotive wheels that have deep offsets.
Ive been in the industry my entire life and have seen examples of this first hand thousands of times.
more fine American... ooops nope not made here... More fine Australian .... oops HD closed that plant too... hey that's that's right they sent the wheel manufacturing to CHINA a couple of years back....
So you have .017 T.I.R., so the "runout" is .0085"
.0085 is not a lot IMHO
Is that .030 spec total indicator reading or for runout? .030 Runout is a whooooole lot of bent in my world
PS nice improvised tool holder, I need to do the same thing to check the front rotors on my ZRX, getting a pulsation that can either be a warped rotor or dirt on the caliper seals...
Last edited by Neggy ZRXOA 5248; Nov 8, 2013 at 07:25 PM.
more fine American... ooops nope not made here... More fine Australian .... oops HD closed that plant too... hey that's that's right they sent the wheel manufacturing to CHINA a couple of years back....
So you have .017 T.I.R., so the "runout" is .0085"
.0085 is not a lot IMHO
Is that .030 spec total indicator reading or for runout? .030 Runout is a whooooole lot of bent in my world
PS nice improvised tool holder, I need to do the same thing to check the front rotors on my ZRX, getting a pulsation that can either be a warped rotor or dirt on the caliper seals...
My measurement of .017 was Lateral TIR so yes my runout is actually only .0085 which is 1/4th ish of whats allowed as the .030 listed in the service manual is runout.
Its common knowledge and just plain makes sense from an engineering standpoint by looking at them. The larger the wheel, in conjunction with low profile tires, the more susceptible they are to damage. This is amplified even further with automotive wheels that have deep offsets.
Ive been in the industry my entire life and have seen examples of this first hand thousands of times.
.
its Common knowledge and makes sense to watch where your going and don't run over big pot holes.
The street glide wheels are not that bad IMO nothing like the jack wagons I see running around on the rims not a fan of the super low profile.
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