Demolition Revolt Cranks Problem

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3/14/2015 10:46 AM

I recently bought a pair of these cranks, and it was my first 48 spline set of cranks. I was aware you needed grease to put the cranks on, but not aware of how much. To say it simple, I didn't use enough grease, got the cranks on (took quite a while) forgot a spacer, now I can't get them off. Does anybody have any suggestions on how I can get them off? Thanks.

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3/14/2015 10:56 AM

They dont come with a tool?

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3/14/2015 10:59 AM

Rubber mallet

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3/14/2015 11:48 AM

Put a ratchet extension or something similar in the crank arm, resting against the spindle and hit it with a hammer until the crank arm falls off.

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3/14/2015 2:04 PM

Xxohioanxx wrote:

Put a ratchet extension or something similar in the crank arm, resting against the spindle and hit it with a hammer until the ...more

This. You're gonna really really need to whack it and repetatively. have it put up against something like a wooden wall. with your frame resting on the wall so you get a nice sturdy surface for the bike to not move.

ANd the cranks only come with an installer tool, i couldn't get them off with it.

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3/14/2015 2:15 PM
Edited Date/Time: 3/14/2015 2:15 PM

pull out the blowtorch and loosen em up


/s

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3/14/2015 2:19 PM

The Horror Contact wrote:

They dont come with a tool?

It'd be pretty hard to fit you in the box.

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YOU AVIN A LAUGH M8?
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3/14/2015 2:21 PM

eskimojay wrote:

Rubber mallet

this

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Refs: Four x4, Dolphin, BrokenBMX, Tomdon, ecuadevil...

3/14/2015 2:22 PM

Xxohioanxx wrote:

Put a ratchet extension or something similar in the crank arm, resting against the spindle and hit it with a hammer until the ...more

this also

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Refs: Four x4, Dolphin, BrokenBMX, Tomdon, ecuadevil...

3/14/2015 2:30 PM

The Horror Contact wrote:

They dont come with a tool?

Xxohioanxx wrote:

It'd be pretty hard to fit you in the box.

Really, that's the best you can do?

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REFS-

Vital- KyMike, FEDEXdoobie, adrenalinebmx ,MaximusBikes
Bmx-forum-Tumitama, archerbiker9(2x), mrsanchezz, nguyenna, JoeyBones, fast-and-loose and many others
Also multiple sales on global-flat.com and PinkBike. Theres to many to list all. Most sales are done through texting I havent been able to keep track of who is who.

3/15/2015 11:56 AM

Xxohioanxx wrote:

Put a ratchet extension or something similar in the crank arm, resting against the spindle and hit it with a hammer until the ...more

I've been trying this and using the tool for a good 20 minutes straight, so far no progress. Is there anything else you know? Must be like 0 grease just about

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3/15/2015 2:16 PM

Spray some WD40.

Let it sit over-night.

Hammer again.

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3/16/2015 8:39 AM

Try a rubber mallet on the inside of the crank arm. Or try the other crank arm.

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3/16/2015 9:00 AM

Fuck rubber mallets, they absord half the force you put through them. best of with a proper hammer/mallet and a piece of wood.

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3/16/2015 9:02 AM

EddiMundo wrote:

Fuck rubber mallets, they absord half the force you put through them. best of with a proper hammer/mallet and a piece of wood. ...more

They are a great tool so you don't damage your parts. The wood absorbs some shock, HOWEVER I have dented parts in the past with that method.

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"Hey anybody ever make that mistake like right when you wake up in the morning and you believe in yourself?" -Kyle Kinane

"BIKES!" -Tom Segura