Odd Scalloping on 2010 FXDF
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Cruiser
Joined: Aug 2013
Posts: 143
Likes: 1
From: Co Springs
Odd Scalloping on 2010 FXDF
I Have a 2010 fat bob with Dunlap ( I know not a fan either but that's what it came with ) that has an odd scalloping issue on the front tire. I know that some scalloping is /can be normal but it's the way it's doing that concerns me
looking at the front of the tire the tread should look like this
HH
HH
HH
HH
with each H representing a "tread"
now it looks like this
HU
UH
HU
UH
HU
with H representing normal tread and U representing scalloped tread.
Has anyone else experienced this? Know what could cause it?
looking at the front of the tire the tread should look like this
HH
HH
HH
HH
with each H representing a "tread"
now it looks like this
HU
UH
HU
UH
HU
with H representing normal tread and U representing scalloped tread.
Has anyone else experienced this? Know what could cause it?
Club Member
Joined: Aug 2009
Posts: 203
Likes: 2
From: Boulder County, Colorado
The front dunlop on my 09 fatbob did the same thing. I think it is common for that tire to develop that alternating cupped wear pattern. I replaced mine at 10K but probably should have replaced it long before that. I went with a Michelin Commander II which shows virtually no wear after 2K miles.
Cruiser
Joined: Mar 2012
Posts: 183
Likes: 2
From: Earth
Same problem on my 2012, replaced both front and back at 12k. Front looked exactly like your picture and the rear was evenly worn
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Seasoned HDF Member
Joined: Aug 2013
Posts: 35,801
Likes: 38,576
From: Post Falls, ID
Pretty normal for 10K of front tire wear. I'm guessing vibrations sends the front end into a bunch of mini-hops or micro-bounces resulting in a rhythm of slight and heavy pavement contacts. The result is the cupping you see.
Last edited by upflying; Feb 20, 2014 at 08:03 PM.
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Ultimate HDF Member
Joined: Apr 2008
Posts: 5,384
Likes: 12
From: Out on Deranged
All of those fatbob tractor tread front tires wear exactly like that. I have had a few sets on mine and they all did just that so no worries - your not the only one. That is a signyour getting close to needing a new one and it will start to become noticeable at higher speeds. Normally I get between 12 to 13 k miles out of the front and maybe 10 k for the rear.