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Old 10-30-10, 09:56 PM   #1
folderfan550
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Sun CR-18 rims and tire width question

I am considering replacing the stock steel 406 (20in) rims on my Raleigh Twenty with Sun CR-18 rims. I already have a pair of Schwalbe Marathons in size 40-406 (20 x 1.50in) and am wondering if they are too wide for the CR-18s. Thanks!
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Old 10-30-10, 10:11 PM   #2
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18mm inner width, 22.5mm outer width.
http://smtp.schwalbetires.com/tech_i...dimensions#rim

CR-18 is good for up to 50mm wide or 1.9in.
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Old 10-31-10, 07:01 AM   #3
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Quote:
Originally Posted by folderfan550 View Post
I am considering replacing the stock steel 406 (20in) rims on my Raleigh Twenty with Sun CR-18 rims. I already have a pair of Schwalbe Marathons in size 40-406 (20 x 1.50in) and am wondering if they are too wide for the CR-18s. Thanks!
That is what I run with no problems. I seem to recall I may have one set with 1.75's on it too, I seem to recall some minor clearance issues on the one bike. I also run CR-18's in a 700c and that bike has 45's on it.

Aaron
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Old 11-01-10, 09:38 AM   #4
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Thanks. I wanted to make sure the tire/rim combination would work before I purchase the rims. I have CR-18s on a Raleigh Sports and am happy with them.
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