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Old 12-27-11, 12:28 PM
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Cotter pins

My Royal Enfield Revelation is back from powder-coating and looking really smart. Now if I could just get the cotter pins back in, I could ride it. As my only previous vintage bike was more of a modification process than a restoration, I have never had to get cotter pins in (had enough issues getting them out). Whats the best way about it?
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Old 12-27-11, 12:39 PM
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Buy new cotter pins. Good ones, and the bikesmith cotter pin press. Forum members swear by it.
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Old 12-27-11, 12:41 PM
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Originally Posted by BigPolishJimmy
Buy new cotter pins. Good ones, and the bikesmith cotter pin press. Forum members swear by it.
Both of which are available from Bikesmith Design: https://www.bikesmithdesign.com
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Old 12-27-11, 12:55 PM
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Thanks for posting that link. There is more info on the subject and budget options here: https://www.bikeforums.net/showthread...6-Cotter-Press

If it's in the budget, buying a good tool that will last a lifetime is a joy, you can hardly ever go wrong doing that.
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Old 12-27-11, 07:18 PM
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Originally Posted by BigPolishJimmy
Buy new cotter pins. Good ones, and the bikesmith cotter pin press. Forum members swear by it.
+1
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Old 12-27-11, 07:40 PM
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Originally Posted by BigPolishJimmy
Buy new cotter pins. Good ones, and the bikesmith cotter pin press. Forum members swear by it.
+2
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Old 12-27-11, 08:58 PM
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Originally Posted by auchencrow
+2
+3
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Old 12-28-11, 10:25 AM
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Yeah, sure. If you can find good ones! They're pretty soft these days.

They usually need to be filed a bit to go in right. Tap them in then bring the nut up tight, don't try and pull them in with the nut. The pins on each side need to oppose each other or the arms won't be level.

Tap and tighten again after you've ridden it a little.
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Old 12-28-11, 10:28 AM
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Originally Posted by dbakl

They usually need to be filed a bit to go in right. Tap them in then bring the nut up tight, don't try and pull them in with the nut. The pins on each side need to oppose each other or the arms won't be level.

Tap and tighten again after you've ridden it a little.
yep yep
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Old 12-28-11, 10:31 AM
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Originally Posted by jonwvara
+3
+4
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Old 12-28-11, 10:33 AM
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Originally Posted by BigPolishJimmy
Buy new cotter pins. Good ones, and the bikesmith cotter pin press. Forum members swear by it.
And only occassionally at it, like when it falls off the crank and lands on my toe. I really need to learn to work in the shop with shoes on instead of my slippers.
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Old 12-28-11, 10:53 AM
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On the thrifty version, Harbor Freight has their chain tool on sale right now, $9.99. Print off a 20% off coupon and a free item of your choice coupon, on slickdeals. I did this yesterday, $7.99, plus free work gloves. Note, I bet the HF sale ends 12/31, so if you want to save, move fast.

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Old 12-28-11, 12:42 PM
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While I'm sure the press is a good tool, I've somehow survived 45 years of working on bikes without one. But I only work on 1 or 2 cottered crank bikes a year the last 35 or so years...
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Old 12-28-11, 01:38 PM
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Originally Posted by photogravity
And only occassionally at it, like when it falls off the crank and lands on my toe. I really need to learn to work in the shop with shoes on instead of my slippers.
yeah that'll sting - its a heavy piece
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Old 12-28-11, 02:59 PM
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Originally Posted by dbakl
While I'm sure the press is a good tool, I've somehow survived 45 years of working on bikes without one. But I only work on 1 or 2 cottered crank bikes a year the last 35 or so years...
Yeah but missing just once with that hammer makes the price seem well worth it.
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Old 12-28-11, 03:21 PM
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Originally Posted by auchencrow
Yeah but missing just once with that hammer makes the price seem well worth it.
+100
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Old 12-28-11, 04:37 PM
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Press to get them out, you need nothing to fit them.

But, You may need to file the taper to get them right .

The nut is just to keep them in place, a couple taps with a hammer will set them
if they have been prepared to fit.
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