Weinmann 610 Center Pull Brakes
08-22-22, 12:27 PM
#26
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08-22-22, 12:28 PM
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08-22-22, 02:41 PM
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08-22-22, 06:31 PM
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I just wish the Weinmann's used the same 'quick-release' system as Mafacs..... simple, elegant, no extra 'moving' parts, derailleur cable for the straddle.......! But all that aside, set up properly with Kool Stops and they're as good as anything.
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08-22-22, 07:24 PM
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This seems like a good opportunity to ask this, what with all the Weinmann fans checked in here. I've wondered aloud before, but hadn't gotten much feedback.
It seems that Weinmann brakes had one of two types of return springs. One type uses thicker wire and is coiled only two(ish) times. The other type uses thinner wire and is coiled about three(ish) times. There's a noticeable difference in spring rate in these -- the thinner/longer springs having much less return force than the thicker/shorter ones. Does anyone know the application strategy here? Was each spring set intended for certain types of levers? Or bike brands? Or even "mens" vs. "womens" frames?
It seems that Weinmann brakes had one of two types of return springs. One type uses thicker wire and is coiled only two(ish) times. The other type uses thinner wire and is coiled about three(ish) times. There's a noticeable difference in spring rate in these -- the thinner/longer springs having much less return force than the thicker/shorter ones. Does anyone know the application strategy here? Was each spring set intended for certain types of levers? Or bike brands? Or even "mens" vs. "womens" frames?
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08-22-22, 09:02 PM
#31
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.....
It seems that Weinmann brakes had one of two types of return springs. One type uses thicker wire and is coiled only two(ish) times. The other type uses thinner wire and is coiled about three(ish) times. There's a noticeable difference in spring rate in these -- the thinner/longer springs having much less return force than the thicker/shorter ones. Does anyone know the application strategy here? Was each spring set intended for certain types of levers? Or bike brands? Or even "mens" vs. "womens" frames?
It seems that Weinmann brakes had one of two types of return springs. One type uses thicker wire and is coiled only two(ish) times. The other type uses thinner wire and is coiled about three(ish) times. There's a noticeable difference in spring rate in these -- the thinner/longer springs having much less return force than the thicker/shorter ones. Does anyone know the application strategy here? Was each spring set intended for certain types of levers? Or bike brands? Or even "mens" vs. "womens" frames?
I've only got one bike with Weinmann centerpulls now.. the '74 Raleigh International, and it appears to have the two turn spring.. or at least I see two turns when I look at it from the side....
Steve in Peoria
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08-22-22, 10:00 PM
#32
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This seems like a good opportunity to ask this, what with all the Weinmann fans checked in here. I've wondered aloud before, but hadn't gotten much feedback.
It seems that Weinmann brakes had one of two types of return springs. One type uses thicker wire and is coiled only two(ish) times. The other type uses thinner wire and is coiled about three(ish) times. There's a noticeable difference in spring rate in these -- the thinner/longer springs having much less return force than the thicker/shorter ones. Does anyone know the application strategy here? Was each spring set intended for certain types of levers? Or bike brands? Or even "mens" vs. "womens" frames?
It seems that Weinmann brakes had one of two types of return springs. One type uses thicker wire and is coiled only two(ish) times. The other type uses thinner wire and is coiled about three(ish) times. There's a noticeable difference in spring rate in these -- the thinner/longer springs having much less return force than the thicker/shorter ones. Does anyone know the application strategy here? Was each spring set intended for certain types of levers? Or bike brands? Or even "mens" vs. "womens" frames?
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08-22-22, 11:43 PM
#33
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Nice work on those restorations. I’ve never binned any 610s (I’ve hoarded 750s), but I have repurposed some for dynamo light mounts on at least four bikes - very handy. (I think the 710 links in my sig - must be in desktop mode - have pics in those folders.)
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08-23-22, 04:51 AM
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I think this is consistent with how I remember it also. I definitely remember the "Schwinn Approved" ones having the lighter springs, and I do think most or all of the Schwinn brakes were Dia-Compes. Interesting.
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08-23-22, 07:07 AM
#35
framebuilder
There was a time long ago when center-pull brakes were considered better than side pull. For example in the Schwinn line up, the Varsity got side pull and the Continental and bikes above it got center pulls. Most pros in the 60's and into the 70's were using center pull.
Here is my Continental with the original brake on the front. The Schwinn Approved didn't peel off, it faded away. That is ok with me.
Later on side pull brakes became the preferred caliper.
Here is my Continental with the original brake on the front. The Schwinn Approved didn't peel off, it faded away. That is ok with me.
Later on side pull brakes became the preferred caliper.
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08-23-22, 07:44 AM
#36
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In regard to the two wrap springs versus the lighter action three wrap, I will admit to lessening the tension on some of my two wrap versions (have four bikes with those). I found that some of them were harder pulling than others, so I eased off the spring expansion a bit on those on my work bench. On some that needed it I equalized the tension also. I also admit to being a bit obsessive compulsive. All the adjusting and tweaking to get the best result is part of the fun for me.
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08-23-22, 10:31 AM
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The Lambert originally came with these Lambert branded Weinmann copies. There was nothing really wrong with them, they have a finish that looks painted and weren't confidence inspiring. I had a set of Weinmann centerpulls, and these are confidence inspiring, so on they went.
Original Lambert calipers with "L" pivot bolts.
Weinmann 610 on Lambert
Original Lambert calipers with "L" pivot bolts.
Weinmann 610 on Lambert
Last edited by Velo Mule; 08-23-22 at 10:38 AM. Reason: Spelling
