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Post by liljase on Mar 2, 2016 9:28:43 GMT
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Post by hodgy on Mar 2, 2016 9:41:28 GMT
Jase
Doesn't 650b directly relate to a 27.5 " tyre ?
I was always of that opinion anyway ..wait for a second opinion in case I'm talking shite ..but short of other advice that's what me personally would have used
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Post by dirkpitt74 on Mar 2, 2016 10:05:30 GMT
Think 27.5" and 650B are the same aren't they?
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Post by kirky72 on Mar 2, 2016 10:22:57 GMT
650b is the trades marketing term for 27.5
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Post by liljase on Mar 2, 2016 10:26:34 GMT
got that but there is nothing that relates to tyre width or even close.?? 650bx?? according to there manual.
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Post by kirky72 on Mar 2, 2016 10:30:13 GMT
The tyre diameter and circumference is the important part to work our cadence and distance so correct wheel size is critical. Tyre width doesn't effect any reading so if you have to pick from a list just go with the closest as if won t make any difference.
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Deleted
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Post by Deleted on Mar 2, 2016 11:01:09 GMT
No manual input? on my old cateye it had a manual input - I chalked a mark on the tyre and path - did one full revolution of the wheel walking the bike forward, marked the floor again and then measured between the two marks on the floor. That gave me the exact figure for one revolution of the wheel and tyre.
If it hasn't got a manual function - then 650b is the same as 27.5 anyway.
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Post by Jimbo on Mar 2, 2016 12:36:05 GMT
No manual input? on my old cateye it had a manual input - I chalked a mark on the tyre and path - did one full revolution of the wheel walking the bike forward, marked the floor again and then measured between the two marks on the floor. That gave me the exact figure for one revolution of the wheel and tyre. If it hasn't got a manual function - then 650b is the same as 27.5 anyway. Same as me but just used the valve as the marker  Wish I could get mine to work, changed the batteries and still won't pick up the sensor so i am thinking fancy garmin for my birthday! |
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Post by Deleted on Mar 2, 2016 12:40:06 GMT
Good old Strava does the job for me now, flogged the cateye yonks ago.
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Post by Jimbo on Mar 2, 2016 12:43:03 GMT
I like to see my speed and distance on the go though. Every else is irrelevant as i use strava and endomondo
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Post by liljase on Mar 2, 2016 14:09:21 GMT
No manual input? on my old cateye it had a manual input - I chalked a mark on the tyre and path - did one full revolution of the wheel walking the bike forward, marked the floor again and then measured between the two marks on the floor. That gave me the exact figure for one revolution of the wheel and tyre. If it hasn't got a manual function - then 650b is the same as 27.5 anyway. w I'll try this cheers guys. Thanks for replies. |
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Wish I could get mine to work, changed the batteries and still won't pick up the sensor so i am thinking fancy garmin for my birthday!