Shimano Tourney Centerpull Brakes
01-14-16, 10:11 AM
#51
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01-14-16, 11:38 AM
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They do have room, but it's arguable to say "plenty of room" when the pads have to set at maximum reach. Perhaps I should have stated that the centre-pull were "more compatible" with clinchers.
01-14-16, 01:18 PM
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I have indeed put it back together again, with the washer in the correct position this time. But should the BF C&V R&D department require so, I shall take it apart again.
01-14-16, 02:05 PM
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01-14-16, 02:17 PM
#57
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I've found them agreeable for use with CX and hybrid tires up to 1.5". Especially with the QR link plate design or QR brake levers.
01-14-16, 03:30 PM
#58
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I would never have thought a question concerning Tourney brakes would consume 3 pages. I guess that I was wrong again. And BTW, I love this forum.
01-14-16, 03:48 PM
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So they say. 
Anyway, I have taken my not-so-trusty-and-ever-so-rusty analogue callipers and measured the bolt. The diameter is 5.5 mm, and between the flats it's 4.5 mm. The inside measurement of the washer is about .2 mm bigger on both.
Anyway, I have taken my not-so-trusty-and-ever-so-rusty analogue callipers and measured the bolt. The diameter is 5.5 mm, and between the flats it's 4.5 mm. The inside measurement of the washer is about .2 mm bigger on both.
01-14-16, 05:11 PM
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Before you put away those calipers, would you mind measuring the bolt head of the pivot bolts? I can't remove mine, and haven't been able to find a socket or flat wrench that fits well. Anyone have any tricks? Do you need to grind down a socket to make it thinner? Any help appreciated. Mine are the Dura Ace branded center pulls, btw.
Thanks!
Anyway, I have taken my not-so-trusty-and-ever-so-rusty analogue callipers and measured the bolt. The diameter is 5.5 mm, and between the flats it's 4.5 mm. The inside measurement of the washer is about .2 mm bigger on both.
[/QUOTE]
Thanks!
Anyway, I have taken my not-so-trusty-and-ever-so-rusty analogue callipers and measured the bolt. The diameter is 5.5 mm, and between the flats it's 4.5 mm. The inside measurement of the washer is about .2 mm bigger on both.
[/QUOTE]
01-14-16, 07:44 PM
#61
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I'm gonna buy a bag of 25 of those fixing bolts for $11 shipped, they always get lost anyway. Still haven't looked into reproducing the washers, just got the specs today from our industrial spy...
01-17-16, 06:37 AM
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Before you put away those calipers, would you mind measuring the bolt head of the pivot bolts? I can't remove mine, and haven't been able to find a socket or flat wrench that fits well. Anyone have any tricks? Do you need to grind down a socket to make it thinner? Any help appreciated. Mine are the Dura Ace branded center pulls, btw.
01-18-16, 06:53 PM
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@non-fixie: many thanks. The washer or plastic bushing might be getting in the way of sockets and wrench on mine but I'll try again with a 12. Also dig the commander Cody signature line.
01-19-16, 12:00 PM
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@non-fixie: many thanks. The washer or plastic bushing might be getting in the way of sockets and wrench on mine but I'll try again with a 12. Also dig the commander Cody signature line.
02-09-16, 08:36 PM
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With all due respect, I'm not convinced this is the case. My current feeling is that these brakes were manufactured concurrently with the side-pulls, as a non-catalogued option for manufacturers wishing to produce a Dura-Ace equipped, clincher wheeled model at a lower price point. ... The Dura-Ace centre-pull does not appear in any of my Shimano literature, which goes back to 1972. This infers the centre-pull is either pre-1972 and ceased production before any other Dura-Ace components went into production or that they ran concurrently but were uncatalogued. Given that they are often seen with other Dura-Ace components, the latter seems more likely. ...
The derailleurs are "Crane," the front derailleur is "Titlist" and the hubs and freewheels have no listed model designation.
The crank is a "Dura-Ace" (with chain guard!) and the brakes are the "Dura-Ace" center-pulls minus the safety levers.
My opinion is that Shimano had not yet formulated "groups" as we know them today. They were finding their way in a foreign market.
Personal recollection - I saw/owned the Dura-Ace center-pulls quite a while prior to seeing anything labeled "Tourney."
The main point is that this is an official Shimano American Corporation ad from prior to August 1972 (the date of the program).
02-10-16, 02:07 PM
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I just received a pair of Tourney calipers and don't need them. Anyone want them? Or am I crazy for not using them?
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02-10-16, 03:28 PM
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02-10-16, 06:00 PM
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02-10-16, 06:03 PM
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