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Pedal size for diamondback insight 1

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Pedal size for diamondback insight 1

Old 12-06-17, 08:24 PM
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janek1
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Pedal size for diamondback insight 1

hello,what is the size of tread for diamondback insight 1 pedals,I would like to upgrade the pedals ,is it 9/16? thanks
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Old 12-06-17, 08:35 PM
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Andrew R Stewart 
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Probably. Andy
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Old 12-06-17, 10:36 PM
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9/16"... standard three piece crankset.
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Old 12-07-17, 01:25 PM
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Almost certainly 9/16" x 20tpi, unless a previous owner switched the crank arms to Shimano Dyna-Drive or metric French.
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Old 12-08-17, 01:24 PM
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One piece cranks are easy to recognize because they thread through an oversized bottom bracket shell. They are often found on low priced department store bikes. They take 1/2" pedals. Pretty much everything else takes 9/16" pedals.

FWIW, I find it interesting that pedal sizes haven't changes while most of the rest of the bike has gravitated to metric measurements.
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