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Found a Raleigh 555SL at a garage sale purchased for $20. The tire size is 27X1 1/4. trying to set up bike computer to match the tire size but doesn't have the tire size in its memory. What size is comparable to match the 27X1 1/4 size I have.
 

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NeoRetroGrouch
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H2oknine said:
Found a Raleigh 555SL at a garage sale purchased for $20. The tire size is 27X1 1/4. trying to set up bike computer to match the tire size but doesn't have the tire size in its memory. What size is comparable to match the 27X1 1/4 size I have.
From the PowerTap manual= 2152mm. Would be better to measure it with a roll out. - TF
 
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