100/80-10 and cosa rim ?

[KTy]

Sorry to ask again, but I cannot search the forum, I don't know why, I 've an error...

How do you drive a 100/80-10 tyre ? Can you mount a cosa rim on a smallframe ?

Is the "special 100" from SIP a good alternative ?

I tried with the standard rim, it works, but the tyre is a bit too pinched...

Thanks !!

[jannek]

I ride a 100/80-10 Raceman on a Cosa-rim on my Smallframe.

I had to put two washers between rim and brake drum to get it away from the engine case.

Not fine, I know, but the rim is still centered by the brake drum.

Another possibility would be to ride the wide part of a 2.10 rim and the slim one of a Cosa-rim. That would fit without spacing and is at least 2.30 wide.

Greetings, jan

[vespaforever]

I ride the same tyre on the same rim and I put a 2mm ring between rim and brake drum. With the original shock absorber the tyre will grind on it. But with a Bitubo it works with a distance of 3-4mm between tyre an shock absorber.

I had to use 2 round-head srews for the upper 2 holes of the clutch cover.

At the picture you can see

http://img108.imageshack.us/my.php?image=image1814db.jpg

[KTy]

I ride the same tyre on the same rim

Sorry... Are you talking about an original rim or the cosa rim ?

And I have also a straigth spring from SIP/worb5, so there is clearance issue from this point.

What about putting 10 x 1 or 1.5mm washers *between* the two half-rims ?? :plemplem:

[vespaforever]

I ment the Cosa rim and the Schwalbe Raceman tyre.

I can take a picture of the tyre where you can see the distance between rim and clutch cover.

Why do you want to put washers between the 2 halfs of the rim? For what?

Take the Cosa rim and put 2mm distance between rim and brake drum.

If you want to, you can take washers for that.

[pfupfu]

my 100/80-10 Michelin S1 fits on the original smallframe rim

[vespaforever]

my 100/80-10 Michelin S1 fits on the original smallframe rim

Er hat ja nicht gesagt das es nicht passt sondern das der Reifen so gequetscht wirkt. Hab ich dir ja auch erzählt.

mfg Flo