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Old 12-23-12, 11:52 PM   #1
ZippyThePinhead
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Putting Koolstop Pads on Vintage Shimano 600 Arabesque Calipers?

I have the Shimano 600 calipers on a bike of mine, and I've been wondering, how can I put Koolstop pads on these calipers?

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Old 12-24-12, 12:02 AM   #2
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The nearest compatible KS pad is the Continental. Like the originals it doesn't have concave/convex washers and lays flat to the arms. If your brakes open wide enough you can try Supras, which have concave/convex washers for easy toe-in if needed.
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Old 12-24-12, 12:20 AM   #3
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I tried using these (Dura), but the channel in my calipers was too narrow to accept them, and I didn't want to use a file or drill bit.
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Old 12-24-12, 12:27 AM   #4
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the KoolStop 'Campi" pads probably fit those brakes, and have a thin version of the spherical washer.

http://www.koolstop.com/english/road_holder.html

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Old 12-24-12, 08:50 AM   #5
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I tried using these (Dura), but the channel in my calipers was too narrow to accept them, and I didn't want to use a file or drill bit.
I fit these Dura Type pad holders and pads to a pair of 6400-series 600 double pivot brakes and had to file the slot very slightly wider. It was an easy job and didn't compromise the caliper's strength at all. The new holders are much easier to align than the stock brake shoes and the replacable pads are a real improvement.

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Old 12-24-12, 09:15 AM   #6
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Neither the Campy or Dura Ace metal shoe holders will fit. Both are made for the wider slots than the 6mm+ on your brakes. All the other shoes use standard 6mm mounting hardware and will fit.
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Old 12-24-12, 09:37 AM   #7
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The collective wisdom here is excellent, and I really appreciate the advice.

A mechanic in a LBS told me it might be possible to slide Koolstop pads into some other kind of pad holder, but this was a couple of years ago and I can't recall precisely what holder he described. Yeah, dumb of me not to jot it down or something.

If the Continentals are the best solution, I'll give them a try. The stopping power with the cheap pads I have now is not good at all.
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Old 12-24-12, 10:56 AM   #8
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A mechanic in a LBS told me it might be possible to slide Koolstop pads into some other kind of pad holder, but this was a couple of years ago and I can't recall precisely what holder he described. Yeah, dumb of me not to jot it down or something..
Those Kool Stop Dura-type pads will fit into both Shimano's and Tektro's OEM pad holders.
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Old 12-24-12, 11:01 AM   #9
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Those Kool Stop Dura-type pads will fit into both Shimano's and Tektro's OEM pad holders.
Yes, but the issue is the slot width. His brakes have a 6mm slot, and many newer holders need a wider one. If Tektro makes a holder for a 6mm slot then it's an option. Given the relative cost, though, the OP is probably better off with one-piece shoes since it would take a take a long time to realize any savings through pad replacement.
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Old 12-24-12, 11:05 AM   #10
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The Continentals work fine.. you can even continue to use those Acorn Nuts on them.
though they do come with nuts on the 6mm studs..
salmon compound, very long wearing [+1 on the replaceable insert economics being in question] .

was my fresh brake pad changeover on my Brompton Mk2, (that has CLB sidepulls)

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Old 12-24-12, 01:06 PM   #11
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I like these for older brakes. You can adjust the toe in, replace the pads and they big fat washer you can use to mimic the arm to brake surface of the OEM pads.



http://www.ebikestop.com/koolstop_cr...pad-BR2170.php
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Old 12-24-12, 01:24 PM   #12
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The nearest compatible KS pad is the Continental. Like the originals it doesn't have concave/convex washers and lays flat to the arms. If your brakes open wide enough you can try Supras, which have concave/convex washers for easy toe-in if needed.
Go this way.

The Kool Stop pad holders are garbage. Even if they fit they will frustrate you.
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Old 12-24-12, 01:32 PM   #13
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Back when those kind of brakes came on Most-all the bikes passing thru the shop,
we just bent the arm itself for Toe-in.

Park even made a tool to use for that.
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Old 12-24-12, 03:01 PM   #14
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Back when those kind of brakes came on Most-all the bikes passing thru the shop,
we just bent the arm itself for Toe-in.

Park even made a tool to use for that.
my vintage toe-in adjustment tool says "Craftsman 6" Crescent Wrench"
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Old 12-24-12, 03:04 PM   #15
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The Kool Stop pad holders are garbage. Even if they fit they will frustrate you.
That's interesting. I have them retrofitted to 600 DP brakes on two bikes and did not have any problems fitting them or getting proper alignment. I wonder what I did wrong.
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Old 12-24-12, 03:09 PM   #16
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Go this way.

The Kool Stop pad holders are garbage. Even if they fit they will frustrate you.
I hate to say this, but either you're mechanically declined, and/or have a low threshold of frustration. There'e nothing inherrently difficult about KS shoes, except that don't fit 6mm slots.

I'm not sure about the model Bianchigirl suggested, but these may be too tall for some older bakes that cannot open far enough to accommodate them, especially combined with wider rims.
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Old 12-24-12, 03:40 PM   #17
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The hex bolts on the road holders are not deep enough to engage the tool properly and are made of butter. I'll stick with Shimano.
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Old 12-27-15, 10:26 AM   #18
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The collective wisdom here is excellent, and I really appreciate the advice.
I cannot agree more. I have spent some hours today researching the best solution for this. Shimano 600 AX brakes, need new pads, preferably shoes with replaceable pad inserts. I stuck my Shimano 105 shoes in yesterday and had success with the fit by sliding a convex washer (from spare parts bin, I think from some old canti's or maybe a disc mount) in on the pad side so it fit flush and firmly. However, I had the toe-in problem. Now I know how to easily remedy that! Thanks guys. I can get the simplicity and interchangeability of the dura type brakes whilst maintaining the older AX model brakes. I am going with Ashima brake shoes as they are silver and look more like the original 600ax part which is now installed. Ultimately I would like a completely retro looking shoe/pad here to match the older brakes, but I need the option of a carbon pad. So, I am forced to make a small change here. It seems that the Eagle 2 carbon threaded are pretty hard to find here in EU, otherwise this is a viable option for the carbon rims.

Thanks for the great info.
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