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[sleepybare]

I have a question for the experts here and I value any advice that I can get on this subject.....I am in the process of changing the wheels on my 2007 CVO Ultra from the stock wheels to Colorado Custom Black Widow R-2's, the plan is to put on a 21" front and an 18" rear. My shop tells me there is a chance I will have to drill out the mounting holes for the fender and tip it forward as the wheel may expand and rub the inside of the fender and damage the paint.  Has anyone experienced this problem.

Secondly, the manufacturer of the wheels does not manufacture a 2 piece or floating rotor.  Will the change from the stock rotors to a one piece effect the bikes braking ability or should I stay with the existing rotors and have them anodized or painted black to match the wheels??  Any help will be appreciated as I plan to make this change in the next couple of weeks....

[Mr John DEUFF]

I have the same bike, with the original wheels, normally the maximum size you can install without modifying something is 21".
For the rear wheel what size of tyre will you install? Have you got a picture of the model you've selected?

[sleepybare]

Sorry I do not have any pictures of the wheels only a brochure from the vendor,  but you can see the wheels (Colorado Custom Black Widow R-2)  on the Hogpro site their web site is www.Hogpro.com.  I have run Metzler tires for years and don't plan to change at this time in my life.    The tire sizes would be front 120-70-21 and the rear 150-70-18

[CVO2012]

For me I bought a CINCI wheels for my 2011 softail deluxe, 21" front 18 rear without any modifications
Here is my bike on the second photo with the apple green/vivid black color.
For me it was important to know because I'm in France and I had them to ship the wheels for me.
These guys are great and they assured me that no modification will be needed, just plug n play.
You might as well ask them to be sure

http://www.renegadewheels.com/Wheels/04_Cinci/Cinci.html

[pit1600]

First, to mount 21" with front fender, you'll have to drill the rear holes to 3/8 to rotate the fender.

Second, if you want to go for single side disc, you'll have to go to 13" rotor, 6 pot brake and new master cylinder... it looks very nice but more expensive and a little bit less brake

hope it help 

[FAST380]

Definitely have to drill the front fender and tilt if forward!!!

[sleepybare]

Thanks for the input, I  plan to keep the dual rotors in the front and the consideration is having the inner ring of mine powder coated black to match the new wheels or going to a matching one piece rotor build by the wheel manufacturer.    Has anyone done this and if so did you notice a significant difference in braking with the stationary or one piece rotor verses the floating. 

Also the load rating on the 120-70-21 is different than the stock Metzler 16" tire has anyone found this to be a problem when running 2 up with gear....

[FAST380]

Personally I think the 19" is the perfect compromise, looks good, handles good. I may be the minority, but I didn't like the 21" up front, bike wanted to fall over, just never was confident pushing it hard into corners. As for the rotors, I would get the ones that match, you are spending money for looks, not performance, missmatched wheel/rotor combo's don't look good. In the picture above, heck both new and old bikes, they are both 2 piece rotors, but not floating rotors, there is a difference

[HogPro]

This is Drew at HogPro.  The reason that we Recommend raising the front fender is that some people have had issues with the tire expanding and it is s situation where you never can who it is going to happen to.  After having to fix some fenders for customers (we take care of business) we always advise people to do this.  There is really not a set formula s to who it happens to but we would rather let people know of possible issues.  Some people put a 21" on and never have an issue3.  In fact myself and many of my friends did not raise the fender, but you don't want to be that guy who does have a problem.  

Drew

[Midnight Rider]

Thanks for the input, I  plan to keep the dual rotors in the front and the consideration is having the inner ring of mine powder coated black to match the new wheels or going to a matching one piece rotor build by the wheel manufacturer.    Has anyone done this and if so did you notice a significant difference in braking with the stationary or one piece rotor verses the floating. 

Also the load rating on the 120-70-21 is different than the stock Metzler 16" tire has anyone found this to be a problem when running 2 up with gear....

IMO, you need to pay very close attention to the load rating on both the front and rear tires.  You've got a heavy bike, and when you put two people on it and a bunch of gear, odds are that you're already over the GVWR of the bike (not uncommon), so the load rating of the tire becomes even more important.  If all you do is tool around on the bike, or bar hop, it doesn't matter so much, but if you use a touring bike for touring, they don't put those ratings on the tires for nothing.

[faceracer]

Here is a web site to give you some food for thought on wheel and tire sizes.....Face

http://www.csgnetwork.com/tireinfo4calc.html

[darth davidson]

Personally I think the 19" is the perfect compromise, looks good, handles good. I may be the minority, but I didn't like the 21" up front, bike wanted to fall over, just never was confident pushing it hard into corners. As for the rotors, I would get the ones that match, you are spending money for looks, not performance, missmatched wheel/rotor combo's don't look good. In the picture above, heck both new and old bikes, they are both 2 piece rotors, but not floating rotors, there is a difference

X2

[Midnight Rider]

I think the stock tires on an '07 are 72H up front (783lbs @40psi) and 77H on the rear (908lbs @40psi).

I could be mistaken, but I don't see a single Metzler 880 in either a 19" or 21" that meets that front spec.  The 18" does.  (looks like they now make an 18 front rated at 73H)

For the rear, it looks like the 15X18X70 comes in at 76H.  That's a difference between 908lbs and 882lbs on the rear.

It looks like Metz has a V rated front 21" tire that would meet/exceed the spec, but it's a 140x21.  Neither the "regular" 19 or 21" tire even comes close to the 72H rating.  62 is the highest (583lbs)  That's a 200lb difference in load rating on the front tire.  Quite a bit.

http://www.metzelermoto.com/en_IT/browser/attachments/pdf/LEAFLET_Metzeler_low.pdf

http://www.motorcycleanchor.com/motorcycle/how_to/mc_tires.html

[sleepybare]

Its my understanding that the new 19" Dunlap tire for the 12 SE are a 61H if this is indeed true  and the 19" Metzlers are a 60H there is only a small difference in the load rating. It would seem to me that the mother ship has somehow either A) done a stupid thing (not that they have not done stupid things before) or B) feel the new load rate is ok for the touring bike class....

First is this a true statement as I don't know anyone off this site with a 12 SE and Second if true has anyone encountered a issue with

[Midnight Rider]

Its my understanding that the new 19" Dunlap tire for the 12 SE are a 61H if this is indeed true  and the 19" Metzlers are a 60H there is only a small difference in the load rating. It would seem to me that the mother ship has somehow either A) done a stupid thing (not that they have not done stupid things before) or B) feel the new load rate is ok for the touring bike class....

First is this a true statement as I don't know anyone off this site with a 12 SE and Second if true has anyone encountered a issue with

That's true...however, the rear on the SESG is now rated at 80H.   

The new Ultras have a 63H on the front (17") and an 81H rated rear.  Guess they've figured that the rear is where all the weight is, other than when braking.

The 2011 SERGU (my bike) has a 63H on the front (18") and an 81H (18") on the rear, so that must be true now.  Plus, the new Dunlops are the "dual" tread compound.

Honestly, I wouldn't be as concerned with the front as I would be with the rear, to a point.  Personally, I think the 19" front is big enough on a touring bike, with the 21" presenting too many potential issues.  Availability on the road being one of them.