Question about Cycling
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?
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
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
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
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
Figure out what, if anything, is rubbing. Maybe the fender(s)?
Posted on Apr 12, 2011
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