rbent Forum - Catrike Axle Retention Assembly

jayg

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Catrike Axle Retention Assembly
Feb 7^th, 2015, 5:34pm

While my Catrike Speed was on loan, the left axle retention assembly fell completely off the trike, and was lost. Apparently, I didn't tension the skewer tightly enough when I installed custom wheels on the trike several months ago. Could have spent about 15 minutes ordering parts from Catrike, but decided to replace them the hard way by fabricating them myself. Had to cut a bike's rear wheel skewer to length and re-thread the end, because the length of a Catrike skewer is in between those of a bike's front and rear skewer. Machined the inner and outer axle retainers from aluminum bar stock on my lathe.

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« Last Edit: Feb 7^th, 2015, 7:56pm by jayg »

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Sweeper rbent member Posts: 90	Re: Catrike Axle Retention Assembly Reply #1 - Feb 8^th, 2015, 1:20pm Looks Great..Good job
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Mdicke rbent member Posts: 207	Re: Catrike Axle Retention Assembly Reply #2 - Feb 8^th, 2015, 5:57pm Looks good! Some times its worth the time and effort just to get the satisfaction of knowing and saying "I did that."
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jayg Five Star Member rbent member Posts: 4133	Re: Catrike Axle Retention Assembly Reply #3 - Feb 8^th, 2015, 8:30pm Thanks guys. I get a certain satisfaction from stripping curly strings of metal off bar stock.
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WhiteRocker

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Re: Catrike Axle Retention Assembly
Reply #4 - Feb 9^th, 2015, 9:02am

Interesting. I had the exact same thing happen on my Expedition. Completely lost the left axle assembly somewhere around WRL. I wonder if this is a common problem? (I noticed Catrike conveniently sells the assembly online.) If it's not completely tight, I guess the assembly could simply unscrew itself while rolling. I now check that tightness regularly!

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jayg

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Re: Catrike Axle Retention Assembly
Reply #5 - Feb 9^th, 2015, 10:01am

Quote from WhiteRocker on Feb 9^th, 2015, 9:02am:

Interesting. I had the exact same thing happen on my Expedition. Completely lost the left axle assembly somewhere around WRL. I wonder if this is a common problem? (I noticed Catrike conveniently sells the assembly online.) If it's not completely tight, I guess the assembly could simply unscrew itself while rolling. I now check that tightness regularly!

Gary, the left side outer axle retainer is right-hand threaded. So, my first thought was that the hub perhaps occasionally contacts it, eventually unscrewing it. Closely examined both my trike's stock and custom wheels and found that there is no contact between the hub and retainer. Guess vibration eventually loosens it, if the skewer is not tensioned tightly.

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rmillay Five Star Member rbent member; go Clowns! Posts: 2181	Re: Catrike Axle Retention Assembly Reply #6 - Feb 9^th, 2015, 8:46pm I've had the R.H. skewer come loose on my 700. The trike felt sluggish, but I put it down to tired legs. I noticed it by chance, and retightening it gained me more speed. If you're used to your trike, pay attention to its feel. Now I check the skewers regularly.
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jayg

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Re: Catrike Axle Retention Assembly
Reply #7 - Feb 9^th, 2015, 9:56pm

Quote from rmillay on Feb 9^th, 2015, 8:46pm:

I've had the R.H. skewer come loose on my 700. The trike felt sluggish, but I put it down to tired legs. I noticed it by chance, and retightening it gained me more speed. If you're used to your trike, pay attention to its feel. Now I check the skewers regularly.

On older Catrikes the axles are usually locked in place in the spindles, due to rust, so a rider isn't going to be stranded if a skewer happens to fall out. The hub shifts and the brake disk rubs on one or the other brake pads, if a skewer falls out or loosens, resulting in the sluggishness Bob mentions above.

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Patti

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Re: Catrike Axle Retention Assembly
Reply #8 - Feb 9^th, 2015, 10:13pm

I had my left side skewer come loose a couple of times. It made my disc start "singing" on turns. I didn't realize, at first, what was causing the sound but I kept stopping and finally found the problem The second time it happened, it was the first thing I checked. Tightened it down better and it has not had another incident.

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Monkeywrangler22

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Re: Catrike Axle Retention Assembly
Reply #9 - Feb 10^th, 2015, 6:08am

I've found a little blob of plumbers putty works well applied to threads (in this case on the skewer threads beyond the retainer nut) to prevent a nut from backing all the way off the threads. It does not harden, so you can remove the nut if you want to, but generally keeps the thing from falling off the threads. Way cheaper than buying loctite too.

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rmillay Five Star Member rbent member; go Clowns! Posts: 2181	Re: Catrike Axle Retention Assembly Reply #10 - Feb 10^th, 2015, 7:08pm Quote from Monkeywrangler22 on Feb 10^th, 2015, 6:08am: Way cheaper than buying loctite too. ???!
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Monkeywrangler22 Five Star Member rbent member Posts: 1308	Re: Catrike Axle Retention Assembly Reply #11 - Feb 11^th, 2015, 4:33pm The last time we bought a small tube of blue loctite, it was like $7. For a tiny tube. You get a large tub (like a butter tub) of plumbers putty for a similar price. So you get a lower per-use cost.
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rmillay Five Star Member rbent member; go Clowns! Posts: 2181	Re: Catrike Axle Retention Assembly Reply #12 - Feb 11^th, 2015, 7:56pm I like Loctite for what it does. I suppose several dollars isn't so much for a rich guy, though I'm still on the same bottle I bought 15 years ago. Plumber's putty tends to corrode many metals, and has largely been replaced by modern silicone caulks. One called RTV has the best shelf life.
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Action Lad

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Re: Catrike Axle Retention Assembly
Reply #13 - Feb 16^th, 2015, 3:24am

Quote from jayg on Feb 9^th, 2015, 9:56pm:

Quote from rmillay on Feb 9^th, 2015, 8:46pm:

I've had the R.H. skewer come loose on my 700. The trike felt sluggish, but I put it down to tired legs. I noticed it by chance, and retightening it gained me more speed. If you're used to your trike, pay attention to its feel. Now I check the skewers regularly.

On older Catrikes the axles are usually locked in place in the spindles, due to rust, so a rider isn't going to be stranded if a skewer happens to fall out. The hub shifts and the brake disk rubs on one or the other brake pads, if a skewer falls out or loosens, resulting in the sluggishness Bob mentions above.

A word to the wise. Smiley

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MrWizard

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Re: Catrike Axle Retention Assembly
Reply #14 - Feb 16^th, 2015, 12:14pm

Fingernail polish .. just don't let the wife find out you've been dipping into it for nefarious reasons. Or get caught with a bottle in your kit .. "Whose THIS belong too?? " uhm "Cat"

Quote from rmillay on Feb 11^th, 2015, 7:56pm:

I like Loctite for what it does. I suppose several dollars isn't so much for a rich guy, though I'm still on the same bottle I bought 15 years ago. Plumber's putty tends to corrode many metals, and has largely been replaced by modern silicone caulks. One called RTV has the best shelf life.

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« Last Edit: Feb 16^th, 2015, 12:15pm by MrWizard »

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