WTB black nutted/hex nut calipers!
10-04-21, 03:53 PM
#1
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WTB black nutted/hex nut calipers!
EDIT: ended up buying nutted dual pivot calipers. Thanks everyone for the wisdom, kindness, and help with the search.
Japanese preferred, but not a requirement. Does not have to be show quality, going on a bike with patina so some digs are ok, rust no though. Black is preferred, short reach ideal 40+ mm would be ideal.
Looking for a complete pair, hardware preferred but not required.
Thanks in advance!
Geoff
Edit: auto correct 😩
Japanese preferred, but not a requirement. Does not have to be show quality, going on a bike with patina so some digs are ok, rust no though. Black is preferred, short reach ideal 40+ mm would be ideal.
Looking for a complete pair, hardware preferred but not required.
Thanks in advance!
Geoff
Edit: auto correct 😩
Last edited by Senrab62; 10-08-21 at 08:12 PM.
10-04-21, 03:57 PM
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Senrab62 - Tektro may make some nutted rim brake calipers in black that are dual pivot. I'm not up on all of the model numbers for Tektro and also their availability can be spotty. I will try to research it a bit....
10-04-21, 04:17 PM
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Senrab62 - Tektro may make some nutted rim brake calipers in black that are dual pivot. I'm not up on all of the model numbers for Tektro and also their availability can be spotty. I will try to research it a bit....
They make a short reach, but they appear to be for the European market.
10-05-21, 01:57 AM
#4
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This may not be attractive to you from a price perspective, but I'm in Europe now and am traveling back to the States in a couple weeks. PM me if you want to ship the short reach to me here, and then I can ship them from NYC to wherever you are.
10-05-21, 03:16 AM
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10-05-21, 06:58 AM
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TL;DR: Tektro R313 39-52mm dual-pivot calipers in black are available in the US, here's a link to a rear caliper at Ben's. I'll assume they also sell fronts. You'll need to reverse them front/right and kludge the front installation, or buy/find a Tektro front/long nut-mount bolt, which they do sell. :
https://www.benscycle.com/tektro-r31...xoCv8cQAvD_BwE
Tektro long-reach dual-pivot bolt:
https://www.ebay.com/itm/192615640112
So the first thing is you're most likely looking at "short reach/standard" 39-49mm calipers, which will have your shoes relatively high if they need to be at 40-43mm. Not much you can do about that. There were a few caliper sets made with shorter reaches, I remember either a Dia-Compe or Gran-Compe, spec'd on later-'80s Spec'l Allez/others, that had a weird/cool eccentric brak e shoe height adjustment. Seem to remember them being recessed, though, and silver. At any rate, fewer made, likely harder to find.
Then you've got either vintage single-pivot or moderner dual-pivot possibilities. You can usually install the front recessed caliper on the rear, you'll prolly have to use an extra washer or two. If you're looking at vintage single-pivots that are recessed, finding/swapping a recessed/nut-mount bolt for the front isn't that hard. If you're talking dual-pivot, Tektro does sell their nut-mount bolts separately, which will fit Tektro/Shimano and likely others. Again, all you need is the long front bolt. If you haven't swapped dual-pivot bolts yet, the first couple/few times they can be a real pain in the keyster. They get quicker/easier with repetition.
https://www.benscycle.com/tektro-r31...xoCv8cQAvD_BwE
Tektro long-reach dual-pivot bolt:
https://www.ebay.com/itm/192615640112
So the first thing is you're most likely looking at "short reach/standard" 39-49mm calipers, which will have your shoes relatively high if they need to be at 40-43mm. Not much you can do about that. There were a few caliper sets made with shorter reaches, I remember either a Dia-Compe or Gran-Compe, spec'd on later-'80s Spec'l Allez/others, that had a weird/cool eccentric brak e shoe height adjustment. Seem to remember them being recessed, though, and silver. At any rate, fewer made, likely harder to find.
Then you've got either vintage single-pivot or moderner dual-pivot possibilities. You can usually install the front recessed caliper on the rear, you'll prolly have to use an extra washer or two. If you're looking at vintage single-pivots that are recessed, finding/swapping a recessed/nut-mount bolt for the front isn't that hard. If you're talking dual-pivot, Tektro does sell their nut-mount bolts separately, which will fit Tektro/Shimano and likely others. Again, all you need is the long front bolt. If you haven't swapped dual-pivot bolts yet, the first couple/few times they can be a real pain in the keyster. They get quicker/easier with repetition.
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10-05-21, 08:06 AM
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I was going to suggest the Tektros as well—I've got the long reach R559 in black on a vintage tourer, and they're great.
This may not be attractive to you from a price perspective, but I'm in Europe now and am traveling back to the States in a couple weeks. PM me if you want to ship the short reach to me here, and then I can ship them from NYC to wherever you are.
This may not be attractive to you from a price perspective, but I'm in Europe now and am traveling back to the States in a couple weeks. PM me if you want to ship the short reach to me here, and then I can ship them from NYC to wherever you are.
https://www.cyclebasket.com/m9b0s289...d_hex_fitting_
I am not sure if getting them there, and then shipping them would be any cheaper. I have found them for approx $50 US shipped. Not the prettiest, but from a performance aspect they will be superior.
10-05-21, 08:08 AM
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10-05-21, 08:11 AM
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TL;DR: Tektro R313 39-52mm dual-pivot calipers in black are available in the US, here's a link to a rear caliper at Ben's. I'll assume they also sell fronts. You'll need to reverse them front/right and kludge the front installation, or buy/find a Tektro front/long nut-mount bolt, which they do sell. :
https://www.benscycle.com/tektro-r31...xoCv8cQAvD_BwE
Tektro long-reach dual-pivot bolt:
https://www.ebay.com/itm/192615640112
So the first thing is you're most likely looking at "short reach/standard" 39-49mm calipers, which will have your shoes relatively high if they need to be at 40-43mm. Not much you can do about that. There were a few caliper sets made with shorter reaches, I remember either a Dia-Compe or Gran-Compe, spec'd on later-'80s Spec'l Allez/others, that had a weird/cool eccentric brak e shoe height adjustment. Seem to remember them being recessed, though, and silver. At any rate, fewer made, likely harder to find.
Then you've got either vintage single-pivot or moderner dual-pivot possibilities. You can usually install the front recessed caliper on the rear, you'll prolly have to use an extra washer or two. If you're looking at vintage single-pivots that are recessed, finding/swapping a recessed/nut-mount bolt for the front isn't that hard. If you're talking dual-pivot, Tektro does sell their nut-mount bolts separately, which will fit Tektro/Shimano and likely others. Again, all you need is the long front bolt. If you haven't swapped dual-pivot bolts yet, the first couple/few times they can be a real pain in the keyster. They get quicker/easier with repetition.
https://www.benscycle.com/tektro-r31...xoCv8cQAvD_BwE
Tektro long-reach dual-pivot bolt:
https://www.ebay.com/itm/192615640112
So the first thing is you're most likely looking at "short reach/standard" 39-49mm calipers, which will have your shoes relatively high if they need to be at 40-43mm. Not much you can do about that. There were a few caliper sets made with shorter reaches, I remember either a Dia-Compe or Gran-Compe, spec'd on later-'80s Spec'l Allez/others, that had a weird/cool eccentric brak e shoe height adjustment. Seem to remember them being recessed, though, and silver. At any rate, fewer made, likely harder to find.
Then you've got either vintage single-pivot or moderner dual-pivot possibilities. You can usually install the front recessed caliper on the rear, you'll prolly have to use an extra washer or two. If you're looking at vintage single-pivots that are recessed, finding/swapping a recessed/nut-mount bolt for the front isn't that hard. If you're talking dual-pivot, Tektro does sell their nut-mount bolts separately, which will fit Tektro/Shimano and likely others. Again, all you need is the long front bolt. If you haven't swapped dual-pivot bolts yet, the first couple/few times they can be a real pain in the keyster. They get quicker/easier with repetition.
What makes the bolt swap a pain?
10-05-21, 08:41 AM
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ah...well, when you said "nutted/hex nut" i thought you might have meant nutted or allen nut as some folks call allen nuts "hex nuts". see?
10-05-21, 11:10 AM
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LOL, I am not sure what the correct term for them is. I usually refer to them as nutted, and the more modern being recessed nut. I am barely able to do basic maintenance on bikes, so I am by no means an expert.
10-05-21, 11:22 AM
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if you don't have any luck finding nutted versions of what you're after, you can run a front caliper on the rear. the bolt will be long enough to run a nut on it. and, then run a rear brake on the front. the bolt will be short, but you run a nut up inside the fork crown as opposed to behind it. that's a tip from sheldon brown when he wanted to run recessed brakes on a bike without recessed brake mounts
10-05-21, 04:10 PM
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I have some Weinmann type 500 calipers in black they are tiny brakes so i would call them short reach.. PM me if they are of interest..
10-05-21, 05:39 PM
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These have one nutted, one non nutted...You can probably find a nut to go as a substitute for the hex recessed nut...
https://www.ebay.com/itm/18487590494...oAAOSwDz9gvmg-
And completely nutted...
https://www.ebay.com/itm/25516352189...wAAOSw3Y1hWz3y
https://www.ebay.com/itm/18487590494...oAAOSwDz9gvmg-
And completely nutted...
https://www.ebay.com/itm/25516352189...wAAOSw3Y1hWz3y
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10-05-21, 05:41 PM
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10-06-21, 10:35 AM
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Senrab62
Geoff,
Short reach brakes became the fashion in the 80's as 18mm - 20mm tires became De rigueur for "racing" road bikes. About the same time most brake calipers were shifting from nutted to recessed mounting.
As you already know, black, nutted short reach calipers are scarce as:
Thought that I had a solution for you, Dia-Compe Aero Gran Compe in black with a 37mm - 42mm reach. No joy! when I pulled them out, they have recessed mounts.
These are going on the block soon as I have no need for them. Anyone interested, PM me please.
verktyg
Geoff,
Short reach brakes became the fashion in the 80's as 18mm - 20mm tires became De rigueur for "racing" road bikes. About the same time most brake calipers were shifting from nutted to recessed mounting.
As you already know, black, nutted short reach calipers are scarce as:
Thought that I had a solution for you, Dia-Compe Aero Gran Compe in black with a 37mm - 42mm reach. No joy! when I pulled them out, they have recessed mounts.
These are going on the block soon as I have no need for them. Anyone interested, PM me please.
verktyg
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10-06-21, 11:20 AM
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Senrab62
Thought that I had a solution for you, Dia-Compe Aero Gran Compe in black with a 37mm - 42mm reach. No joy! when I pulled them out, they have recessed mounts.
verktyg
Thought that I had a solution for you, Dia-Compe Aero Gran Compe in black with a 37mm - 42mm reach. No joy! when I pulled them out, they have recessed mounts.
verktyg
10-06-21, 07:32 PM
#18
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Not sure if I was clear, and I'm sleepy, but the bolt swap is a pain for dual-pivot calipers. It's not the simple "remove two nuts, unspring and extract" procedure from single pivots. Tiny setscrew underneath threaded bushing at rear, longer threaded pivot bolt to extract, and when you remove the pivot bolt the calipers go all limp and cattywampus on you. More internal crap to clean/lube, because there are more pivots, and reassembly/readjustment takes more time and effort. At least for me, though having almost 50yrs on single pivots means I have more autopilot ability there.
Yes, I considered the bolts. And the front on back, and change bolt option as well. Not a lot of vintage black short reach nutted that I am able to find. I have seen some dia compe G/N500 that I could probably file slots to get reach right, but I have read that they do not offer the best performance, and are a pain to set up.
What makes the bolt swap a pain?
What makes the bolt swap a pain?
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10-08-21, 03:11 AM
#19
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Bolt Swap - Recessed To Nutted
Not sure if I was clear, and I'm sleepy, but the bolt swap is a pain for dual-pivot calipers. It's not the simple "remove two nuts, unspring and extract" procedure from single pivots. Tiny setscrew underneath threaded bushing at rear, longer threaded pivot bolt to extract, and when you remove the pivot bolt the calipers go all limp and cattywampus on you. More internal crap to clean/lube, because there are more pivots, and reassembly/readjustment takes more time and effort. At least for me, though having almost 50yrs on single pivots means I have more autopilot ability there.
I had an NOS set of IRD/Tektro recessed mount dual pivot brakes sitting around. I gave my doctor one of my classic touring bikes that had old Mafac brakes. I wanted to make sure that he had some good stopping dual pivot brakes.
The front brake fit on the rear using a hex nut with out any problem.
I got a 76mm Tektro pivot bolt online to convert the original recessed mount rear caliper to hex nut to use on the front.
The fasteners were all Loctited from the factory. It was a 3 handed job! Tighten, check, loosen, tighten, check, loosen to get it adjusted properly...
Rear caliper before surgery
Per PCB's description - the original rear pivot bolt is at the top left with the 76mm replacement for a nutted front below it.
Finished job
Finding the right parts can be a chore as there were so many variations with very little documentation. Note the package label says 76mm Front Recessed Center Bolt. It's actually a nutted Center Bolt!
verktyg
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Last edited by verktyg; 10-08-21 at 03:25 AM.
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10-08-21, 08:13 PM
#21
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Mods, this can be closed and/or deleted if need be. Thanks again everyone
