How to straighten your bicycle rim depends partly on how the rim got bent in the first place. Whether the rim was bent by some type of impact or caused by leverage,
you will need some basic tools to get started.
A block of wood
A regular hammer
A rubber hammer
A regular or bicycle tool set
A grill or trash can
- suppose your bicucle rim was Bent by Impact:-
Bending from impact is typically caused by hitting something or from a hard landing after a jump.
If the wheel is uneven or out of round, it was likely caused by impact. For a wheel that was bent from impact damage, you can also use impact to fix it.
Check for bent or loose spokes first. If there are bent spokes, the damage is probably from leverage, not impact. If any spokes are loose, tighten them.
Then, remove the tire and tube. Set the wheel flat on top of the grill or trash can so that the rim lies directly on the top edge.
Next, place the block of wood over the center. With the high side of the wheel facing up, hit the block of wood with the hammer.
You might need to smack the wood a few times to get the wheel close to normal. Do use caution, as the wheel will bounce as if spring loaded.
Is the rim visibly bent? If so, I'm pretty doubtful that a spoke key will do much good. A spoke key can be used to improve wheel alignment, but if the wheel's really bent, any work done with the spoke key will create wacky tension on the spokes that will likely not work over the long term.
"Trueing" a wheel is definitely an art. Learning how to do it is time consuming at best, frustrating at worst. If you've a bicycle repair workshop in your area, that may be the perfect solution. Some places have bike workshops where there're knowledgeable folks who can help you repair your bike yourself (and potentially step and take over if you get in over your head). If you don't know of any, your local bicycling organizations may be able to recommend a place.
I also recommend reviewing this website: http://www.bikewebsite.com/bicycle-wheel...
Spokes can be used to improve wheel alignment, but if the wheel does bend, any work done with the spokes will create weird tension on the spokes, which may not be long-term.
“True” a wheel is definitely an art. Learning how to do it best is time consuming, and the worst is frustrating. If you have a bicycle repair shop in your area, that might be a perfect solution. There are bicycle studios in some places where knowledgeable people can help you repair your bike yourself (and if you enter your mind you might step in and take over). If you don't know, your local bike organization may recommend a place.
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