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Next power climber

The pedals spin uselessly because it has become loose from use. the rod connecting the pedals spins freely without turning the chains or the wheel. what is the name fir this piece? how can i get it replaced and fixed?

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The bottom bracket on a bicycle connects the cranks (arms that the pedals are connected to) to the bicycle and allows the cranks to rotate freely.
It looks like this is worn out or broken. Any bike repair shop will replace it. Shouldn't cost much.

Posted on Jul 18, 2013

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Posted on Jan 02, 2017

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SOURCE: why does my new bike's back wheel not spin easily?

if brake and aligmen t of wheel is good the bearing ajustment is too tight remove the wheel loosen the nut on each side not too loose just so it turn freely with no play in the wheel let me now pierre

Posted on Dec 15, 2008

  • 1 Answer

SOURCE: childs 12 inch mongoose is new, but back wheel does not spin prop

The bikes are pre-assembled by a machine that overtightens the rear axle.  I had the same problem with my daugher's 12 inch huffy princess bike and my other duaghter's 16 inch Schwinn bike.  If you loosen the nuts on the back axle it fixes the problem.  I have read that the idea thing for these bike is to have them re-assembled and re-lubricated by a bike shop, but I thought this might cost as much as I paid for the bike. 

Posted on Jun 13, 2009

dunnbiker
  • 8546 Answers

SOURCE: pedals spin wheel doesn't turn

Bottom brackets just connect the cranks to the bike and keep the drivetrain aligned while you wail on the pedals.

I assume you mean the rear wheel spins freely when you pedal after a coast or stop. That would be the pawls in the rear cassette, freewheel or axle failing to engage. When you coast, the whirring, clicking sound you would hear is the pawls gliding over the detents. When you apply forward torque, they drop into the detents and provide drive. Like a ratchet.

Have a shop look at it. Don't ride the bike if it's going to do that. You may stand up and stomp on the pedals and have it let go and wake up with a broken jaw because you went over the handlebars, if you survive being run over. The rear wheel and drive components are not beginner bike mechanics.

You don't say what kind of drive it is.

Posted on Feb 05, 2010

  • 456 Answers

SOURCE: I have a 1998 Huffy 626 12-speed. When i turn the

it sounds like the ratchet mechanism has failed in the freewheel sprocket on the wheel.

Posted on Apr 06, 2011

dunnbiker
  • 8546 Answers

SOURCE: Schwinn Roadster rear wheels won't spin freely

Figure out what, if anything, is rubbing. Maybe the fender(s)?

http://www.schwinnbikes.com/skin/frontend/schwinn/default/pdf/Schwinn-Roadster-Trike-Manaual.pdf

Page 6

Posted on Apr 12, 2011

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1 Answer

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If the wheels spin free then I would look at the bottom bracket. All of the force you use for pedaling relies on the bearings in the bottom bracket being good. Are the pedals hard to turn by hand? Do the pedals themselves spin freely? If the wheels turn, this really only leaves these two rotating points as possible suspects.

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1 Answer

1991 harley ulra classic has stock heads but adjustable pushrods with no colors. how do i adjust before firing motor


Hello
I hope this helps out.
the 2 long push rods are the exhaust and the 2 short ones are the intake.
jack up the bike so the rear tire is off the ground.
put in 5th gear so you can turn over the motor by turning the back tire.
it takes 2 people, one to turn the tire and the other to be looking at the lifter to make sure it is at its lowest point.
you should have all push rods in but very loose.
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turn the motor over with back tire, looking at the lifter, watch to see it get to its lowest point.
when it is at its lowest point, stop turning the tire.
now tighten up the push rod so you can spin it but no up and down movement.
now tighten to push rod specs(factory or aftermarket have # of turns or flats to turn)
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after 3 turns the push rod will be tight.You have to wait about 15-20 minutes for the lifter to bleed down. try to spin the push rod after 20 minutes. if its hard to spin, wait 20 minutes more, if its hard to spin then you may have over tightened the push rod.
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it should spin free with no up and down movement. check them all.
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call the manufacturer who makes your push rods, or call the dealer if they are harley davidsion.

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1 Answer

Pedals spin wheel doesn't turn


Bottom brackets just connect the cranks to the bike and keep the drivetrain aligned while you wail on the pedals.

I assume you mean the rear wheel spins freely when you pedal after a coast or stop. That would be the pawls in the rear cassette, freewheel or axle failing to engage. When you coast, the whirring, clicking sound you would hear is the pawls gliding over the detents. When you apply forward torque, they drop into the detents and provide drive. Like a ratchet.

Have a shop look at it. Don't ride the bike if it's going to do that. You may stand up and stomp on the pedals and have it let go and wake up with a broken jaw because you went over the handlebars, if you survive being run over. The rear wheel and drive components are not beginner bike mechanics.

You don't say what kind of drive it is.

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