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9/16 pedals fit any cotterless cranks?

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9/16 pedals fit any cotterless cranks?

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Old 01-26-05, 06:47 PM
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9/16 pedals fit any cotterless cranks?

Are pedal threads standardized so that if I buy a "comfort" bike with plastic pedals in aluminum cranks I can replace the pedals with mountain or road pedals with cleats? Also, I notice that "rat-trap" pedals with toe clips & straps are cheaper than the cleat system (where I'd need to buy both pedals and shoes). Is the cleat/shoe system worth the extra $$ ? If I decide to cheap out and buy the pedal/toeclip/strap system, what are good brands to watch for?

Thanks for tolerating my newbie questions!
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Old 01-26-05, 06:50 PM
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From my experence, newer bikes have pedal threading that's identical. The size of the spindle can be different. You shouldn't have any problems replacing the plastic pedals with any 9/16ths pedal, clipless or flats with toe clips and straps.
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Old 01-26-05, 07:15 PM
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Only ones i've see different were bmx, 1/2 inch, and they usually are 9/16ths.
If you go platforn pedals, bmx are prefered by many mtb'ers.
They are reletively cheap and take a lot of abuse.

The strap system is good if your not into cycling footwear.
Or wear boots to work...
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Old 01-26-05, 07:38 PM
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The only problem you might have is if you try to fit your pedals onto a really old pair of French cranks. You're not likely to find older French cranks unless you go looking for them. Other than that, they're pretty interchangable, tho some kids and BMX bikes are at a different standard.

On the subject of the different types of pedals, if you're fairly new or recently returned to bike riding, stick with the rat traps and toe clips at first. Personally, I prefer clipless pedals for long rides, but tend towards rat traps/toeclips in town, just my preference.
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Old 01-27-05, 02:28 AM
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Originally Posted by FarHorizon
Are pedal threads standardized so that if I buy a "comfort" bike with plastic pedals in aluminum cranks I can replace the pedals with mountain or road pedals with cleats? Also, I notice that "rat-trap" pedals with toe clips & straps are cheaper than the cleat system (where I'd need to buy both pedals and shoes). Is the cleat/shoe system worth the extra $$ ? If I decide to cheap out and buy the pedal/toeclip/strap system, what are good brands to watch for?

Thanks for tolerating my newbie questions!
The general determinant of 1/2" vs. 9/16" is one piece vs. three piece cranks. Three piece steel cranks will also take 9/!6" pedals. One piece cranks are invariably steel and thinner to save weight so they only have enough diameter to secure 1/2" holes.

The older French 14mm cranks are found on older French bikes and have a thread pitch that is 1.5% finer in addition to the .01" difference in diameter. Unfortunately, I have mixed em up and put a 9/16" pedal in a 14mm crank and after a week the threads stripped. I think I'd take mild exception to Poguemahone's assertion that you have to go looking for them, there are a lot of French parts out there still, and those French manufacturers often made parts for both the French and US threads so check threads on any French bike components.
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