- Joined
- Aug 12, 2011
- Messages
- 1,046
Jan,
I like that set up especially no spoons!
Mike
Jan,
Is a Road Runner or other tire 100/90-19 on a WM2 a safety problem, a handling problem, or a wear issue? I realize an 18” rim gives more tire choices if you don’t mind running an 18/19 combo. With all the comments being tossed around regarding rim sizes, its a bit confusing. “live to tell the tale” sounds ominous. Thanks.100/90-19 tires usually spec WM3/2.15" rims and that one is no exception
(however I do realize that many run them on WM2/1-85" rims and live to tell the tale)
It is simply not the optimal cross sectional tire profile when mounted. On a narrower rim, the profile is slightly taller and narrower than on a wider rim.Is a Road Runner or other tire 100/90-19 on a WM2 a safety problem, a handling problem, or a wear issue? I realize an 18” rim gives more tire choices if you don’t mind running an 18/19 combo. With all the comments being tossed around regarding rim sizes, its a bit confusing. Thanks.
Sorry for sounding ominous, what I meant was only that many run 100/90 tires on WM2 rims. I'm not qualified to say whether this is a safety issue or not but the profile is visibly pinched and pointy.Is a Road Runner or other tire 100/90-19 on a WM2 a safety problem, a handling problem, or a wear issue? I realize an 18” rim gives more tire choices if you don’t mind running an 18/19 combo. With all the comments being tossed around regarding rim sizes, its a bit confusing. “live to tell the tale” sounds ominous. Thanks.
Ok, thanks for responding. Pinched and pointy sounds like a good description for the outcome and easy to understand.Sorry for sounding ominous, what I meant was only that many run 100/90 tires on WM2 rims. I'm not qualified to say whether this is a safety issue or not but the profile is visibly pinched and pointy.
Really? I run that combo, and it doesn't look pinched and pointy to me.Sorry for sounding ominous, what I meant was only that many run 100/90 tires on WM2 rims. I'm not qualified to say whether this is a safety issue or not but the profile is visibly pinched and pointy.
Like below, the photo is not great but you can see it near where the tire meets the ground. The tire would definitely have a better profile on a WM3 rim.Ok, thanks for responding. Pinched and pointy sounds like a good description for the outcome and easy to understand.
That’s a good hypothesis. A reduced contact patch should result in a greater wear rate.First let me point out that at my age I doubt I can feel much difference in tyres unless I fall down. But the WM2 rims seem to me to be one reason tyres wear out so quickly: pointy profile. The centre is long gone before the side areas show any wear and I have come to doubt that this is entirely due to not pushing as hard as days of yore.
Another clue is I ran last a Avon TT100 clone claimed to be 4.10. This tyre no longer available but is noticeably narrower than the
Dunlop same alleged size. On the back of the Commando it looked ridiculous but it wore all across the tyre and lasted for the same mileage. I felt NO difference in handling.
So methinks the WM2 just ain't making it. No doubt several will say "No sh_t Sherlock we told you this YEARS ago".
I put a WM3 on the back we shall see how this season goes.
Glen,I put a single rim protector on opposite the starting point (2nd bead, first is usually just push on)when using the tire changer. That way if the bar won't quite do that last little bit, the long tire spoon can flip it in, no rim damage.
Lots of heat, lots of tire lube.
Sounds like you already had the last two items.
Glen
Is that on a WM2 rim? Thanks.With Avon and Bridgstone drying up I found a decent economical tire that is available. Its a copy of a Bridgstone spitfire tread.
Shinko 10 SR 712F rear - 110/90 - 19 - 62H with 130MPH speed rating