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Old 03-07-2011, 05:51 PM   #19246
mud
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Quote:
Originally Posted by Ricardo Kuhn View Post
Oh Dude with out the Vise is almost Impossible, No wonder you need to resource to such "Violent" methods, Try to get one and at least clamp it to a piece of wood and then roll your car (even your bike) over one corner so it does not move
I know, soon.......
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Old 03-07-2011, 08:44 PM   #19247
Bendejo
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Originally Posted by mud View Post
The only two things that have worked for me was taking the FW apart and using a pipe wrench.

OR: using an impact wrench. This worked quite well but needed full power.

For those wonder why you just can't "use a wrench": These are front freewheel setups that are REALLY cranked down due to the gearing of a trials bike and the power you can put into them for certain moves.
The builder called this evening and after further thought, he seems to think the tensioner is what's causing the pop. The new freewheel is already on the way, so I'll get a crank puller and freewheel tool as soon as it shows up. We've only had the bike for a week, so hopefully shit wont be too tight.
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Old 03-08-2011, 05:12 AM   #19248
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Hey Ben: what exactly is it you're taking off this bike? The BB or the freewheel on the rear wheel?

There's different things needed for each.

Freewheel on the back's easy. Get the appropriate tool from Park. Stick said tool in a vise. Stick wheel on top of that (bolted ala Ricky if you have to) and spin lefty loosey to get the FW off. Make sure to push down on the wheel as you're spinning so the teeth on the tool stay into the grooves on the FW.

BBs are different.

M
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Old 03-08-2011, 05:43 AM   #19249
Bendejo
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Quote:
Originally Posted by Gummee! View Post
Hey Ben: what exactly is it you're taking off this bike? The BB or the freewheel on the rear wheel?

There's different things needed for each.

Freewheel on the back's easy. Get the appropriate tool from Park. Stick said tool in a vise. Stick wheel on top of that (bolted ala Ricky if you have to) and spin lefty loosey to get the FW off. Make sure to push down on the wheel as you're spinning so the teeth on the tool stay into the grooves on the FW.

BBs are different.

M
The FW on my new trials bike is crank-mounted.
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Old 03-08-2011, 06:05 AM   #19250
trailer Rails
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Quote:
Originally Posted by Ricardo Kuhn View Post
I have work on Bicycles for more than 25 years (as a Pro and just for fun) and I Never, Ever found the need to use a Impact wrench or any other kind of power tools on them for that matter (well drilling holes, Yes, but that is about it)

On the Other hand "Persuasion" methods (leverage bars) are welcome, but first make sure you are spinning the right way first, since sometimes they are lefts hands treads (Bottom Brackets for example).
I have been a mechanic for almost 20 years and in my my many years of working on things the most important thing I have learned is to work smarter, not harder. If a BB is seized into a frame, instead of grabbing the 4' breaker bar and getting 1 or 2 other people to steady the bike, I just grab the impact and zip it out. You need to be very careful because if you don't know which way to turn, you will fuck some shit up.

The other thing I use a lot is heat. Usually just a little bit is enough to get the job done. The torx bolts on disc rotors can seize sometimes. I have an electric impact that I use to zip those out but with all the loctite manufactures are putting on there, sometimes that does not work. I take a lighter and hold it to the hub for about 5 or 10 seconds, just enough to warm it up, then bolt comes out like butter.

I also use the electric impact on chainring bolts, that way there is no chance of catching my knuckles on the chainring when the bolt breaks loose.

I also have an air powered cut off wheel. That thing makes quick work of any cutting job. There is no replacement for a hacksaw for cutting steerer tubes or handlebars (although I would like to get a sawsall for that) the cut off wheel makes quick work of any rough cutting job.

The last power tool I use is a little electric screw driver. It makes zipping long fasteners in and out a breeze. I can swap a stem in about a minute, I run the bolts in until just barley tight and then put the torque wrench on them. I also made a bit that looks like a nipple driver. When building wheels I can go from a loosely spoked wheel to a fully tensioned wheel (and properly tensioned using a tensionmeter) and ready to ride in 5-10 minutes.

Now with all of these power tools comes a lot of responsibility. You can ruin some expensive parts in seconds flat if you do not know what you are doing. I do not trust any of the kids at the shop to use any of these tools.
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Old 03-08-2011, 07:05 AM   #19251
mud
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Here is what it is. The freewheel is mounted to the crankarm (usually threaded), they are usually VERY tight. Ricardo is right. If you have a good vice setup it is not that bad....

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Old 03-08-2011, 07:47 AM   #19252
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Quote:
Originally Posted by mud View Post
Here is what it is. The freewheel is mounted to the crankarm (usually threaded), they are usually VERY tight. Ricardo is right. If you have a good vice setup it is not that bad....

I'm building a set of plastic jaws for the vice today.
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Old 03-08-2011, 09:49 AM   #19253
mgorman
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Quote:
Originally Posted by mud View Post
Here is what it is. The freewheel is mounted to the crankarm (usually threaded),

Cool set up, haven't see anything like that since Huffy or onee of the other department stores decided to put the freewheel in the front so you could shift while coasting. Those were just help on with a luck nut that doubled as a bearing race.

Your posts were making me itch to play so I was hopping up some steps on the 29r but the lower back isn't healed enough and I gave out before I got over the top step.

Saw some bikes that looked like possible dirt jump mtb's at a pawn shop last night, stopping by to see if any are worth while after work.
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Old 03-08-2011, 10:07 AM   #19254
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Quote:
Originally Posted by Bendejo View Post
I'm building a set of plastic jaws for the vice today.
If I'm thinking this the way you're thinking it, you're gonna put the crankarm in the vise and pull on the FW tool?

IF so, run a bolt thru the FW tool and snug it down. Keeps the FW tool from buggering up your FW's notches. (there's either 2 or 4. I'm betting on 4)

DAMHIK how badly you can screw this up.

M
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Old 03-08-2011, 10:32 AM   #19255
mud
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Quote:
Originally Posted by Gummee! View Post
If I'm thinking this the way you're thinking it, you're gonna put the crankarm in the vise and pull on the FW tool?

IF so, run a bolt thru the FW tool and snug it down. Keeps the FW tool from buggering up your FW's notches. (there's either 2 or 4. I'm betting on 4)

DAMHIK how badly you can screw this up.

M
If you bugger them up, then the fun begins.
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Old 03-08-2011, 04:53 PM   #19256
trailer Rails
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Quote:
Originally Posted by Gummee! View Post
If I'm thinking this the way you're thinking it, you're gonna put the crankarm in the vise and pull on the FW tool?

IF so, run a bolt thru the FW tool and snug it down. Keeps the FW tool from buggering up your FW's notches. (there's either 2 or 4. I'm betting on 4)

DAMHIK how badly you can screw this up.

M
X2, just like he said, run a bolt through the whole thing and put the tool in the vice. Then find a piece of pipe you can put over the crank arm.

If you strip it out, just take the freewheel apart and clamp the inner race in the vice.
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Old 03-08-2011, 06:25 PM   #19257
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I secure the tools like that with bottom brackets too using a front quick release and spacers. On my track bike I try to use the axle nut.
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Old 03-09-2011, 05:16 AM   #19258
Gummee!
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Originally Posted by mgorman View Post
I secure the tools like that with bottom brackets too using a front quick release and spacers. On my track bike I try to use the axle nut.
Speaking of track bikes... There's a Langster on CL right now...

Thinking of buying it to go with the bitchin Suzue hubs that came in the wheels I bought the other day.

That'd be #8...

M
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Old 03-09-2011, 05:21 AM   #19259
trailer Rails
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Originally Posted by Gummee! View Post

That'd be #8...

M
Damn bikes, we only have one ass, why do we keep finding excuses to buy more? I had 7 until a couple weeks ago when I gave one away. I think I might part with another one soon, but only to free up money and space for another bike I want to build.
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Old 03-09-2011, 05:30 AM   #19260
TheYeti
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Quote:
Originally Posted by Gummee! View Post
Speaking of track bikes... There's a Langster on CL right now...

Thinking of buying it to go with the bitchin Suzue hubs that came in the wheels I bought the other day.

That'd be #8...

M

You're catching up not 25 .but still.....
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