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Bicycle Mechanics Broken bottom bracket? Tacoed wheel? If you're having problems with your bicycle, or just need help fixing a flat, drop in here for the latest on bicycle mechanics & bicycle maintenance.

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Old 08-06-05, 12:55 AM   #1
BMXrider
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Need Help

hey guys i need someones help real bad on the bike i have i need to kno how to take the pedals off so i can change the sprocket and stuff so can some please respond
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Old 08-06-05, 08:49 AM   #2
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get a 15mm wrench; they both loosten towards the back tire
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Old 08-06-05, 10:32 AM   #3
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wat do u mean cuz i just looked at a 15 mm and it is way small and do u put the wrench on the screw thing and move the pedals towrds the tire? please reply
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Old 08-06-05, 11:15 AM   #4
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Originally Posted by BMXrider
wat do u mean cuz i just looked at a 15 mm and it is way small and do u put the wrench on the screw thing and move the pedals towrds the tire? please reply
As I pointed out in another post, all of these routine repair procedures are explained in great detail in the "Repair Help" section of www.parktool.com

You're riding a BMX bike I gather? Some BMX pedals require a different size pedal wrench, I think it's 1/2". In either case, you put the wrench on the flats of the spindle between the pedal and the crank.
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Old 08-06-05, 03:07 PM   #5
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"wat do u mean cuz i just looked at a 15 mm and it is way small and do u put the wrench on the screw thing and move the pedals towrds the tire? please reply"

Yeah, it's either 15mm or 1/2" and you remove the pedals by placing them at the lowest position on the crank-spin. Put the wrench on from the back-wheel facing forward, and push down on the tool. You'll notice the left pedal is reverse-threaded (spins clockwise to loosen).
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Old 08-06-05, 08:46 PM   #6
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1/2 or 91/6 ...do you have a 3 Piece Crank or one piece.. 1/2 is 1 pc. etc.!
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