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 Post subject: Long Reach Calipers
PostPosted: Fri Oct 30, 2009 9:33 pm 
Newbie

Joined: Fri Oct 30, 2009 8:22 am
Posts: 8
Sorry another daft question! I want to replace the Weinmann 730 (front) and 810 (rear) on the Puch. Both have very long (57+) reaches (the 810 is 61-79 I think).. I've read than Shimano do a 65mm reach version of their 105 model, can't find any reference to it anywhere though..

If it doesn't exist is the only alternative a Tektro R556?

Got a couple of tan sided Schwalbes on this afternoon replacing the awful Indian tyres the bike came with, looking better already :D


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 Post subject:
PostPosted: Sun Nov 01, 2009 10:21 am 
Road Moderator
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Joined: Thu Jun 18, 2009 1:07 pm
Posts: 4715
Location: Sheppey, Kent
The Tektro's are the only ones I know of but I don't look for deep drop brakes much. Perhaps you could try sourcing some old calipers, I'm pretty sure you can get very long 105 single pivot brakes or maybe some centre pulls (new or old) like these

http://www.sjscycles.co.uk/src/froogle/ ... -18240.htm

Not sure what your other clearances are like and I see you just got some new tyres but perhaps it'd be worth sourcing some old 27" wheels to reduce the brake drop. (27" wheels are scarce now though and getting good tyres for them is hard, to say the least).


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 Post subject:
PostPosted: Sun Nov 01, 2009 6:26 pm 
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Joined: Fri Oct 30, 2009 8:22 am
Posts: 8
Tel wrote:
The Tektro's are the only ones I know of but I don't look for deep drop brakes much. Perhaps you could try sourcing some old calipers, I'm pretty sure you can get very long 105 single pivot brakes or maybe some centre pulls (new or old) like these

http://www.sjscycles.co.uk/src/froogle/ ... -18240.htm

Not sure what your other clearances are like and I see you just got some new tyres but perhaps it'd be worth sourcing some old 27" wheels to reduce the brake drop. (27" wheels are scarce now though and getting good tyres for them is hard, to say the least).


Thanks! It's riding on 27"s already, picked up some new Weinmann RM18 rims on ebay this morning too.. Bit on the heavy side I think :oops: My local shop has some clear out stock 27" Schwalbes. I'll heed your warning and buy a couple of spare sets too :wink:

It looks like the mounting of the brakes will be a problem too as new systems seem to be allen key rather than bolt. I'll probably just have to refurb the original weinmanns.

Image


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 Post subject:
PostPosted: Sun Nov 01, 2009 6:44 pm 
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Joined: Thu Jun 18, 2009 1:07 pm
Posts: 4715
Location: Sheppey, Kent
Those wheels will be 100% better than the original steel wheels :D and it's good to see you're upgrading in a logical way.

Regarding the brakes if you want to fit modern ones you can drill out the back of the forks and brake bridge with a 10mm drill and they'll fit fine. Don't worry it's not as drastic or complicated as it may sound.


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 Post subject:
PostPosted: Sun Nov 01, 2009 6:45 pm 
Moderator /Lincs, E & S Yorks Deputy AEC
Moderator /Lincs, E & S Yorks Deputy AEC
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Joined: Mon Nov 26, 2007 6:16 pm
Posts: 4144
Location: RetroModding™ since 1988
I use the Tektro R556 on a 27" wheeled bike, there is a nutted version of the brakes, I got mine from SJS Cycles on Ebay: http://cgi.ebay.co.uk/TEKTRO-DUAL-PIVOT ... 5ad4549896

Also got a pair of Conti Ultra Sport 27" tyres from wiggle: http://www.wiggle.co.uk/p/cycle/7/Conti ... 360011044/

You can still get Michelin World Tour's in 27" if you want a retro amberwall tyre: http://www.gooutdoors.co.uk/cycling/tyr ... GCCAMTR011

I do have a set of Shimano Tourney deep drop calipers that I took off the bike to replace them with the Tektro's if you want pics let me know.


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 Post subject:
PostPosted: Mon Nov 02, 2009 9:06 am 
Old School Grand Master

Joined: Tue Oct 09, 2007 1:55 pm
Posts: 8202
Location: New Forest, UK
Shimano do a non-series deep drop brake, but you won't find it listed on their website, however a good road shop will be able to get it.

I'd try Spa Cycles first.


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 Post subject:
PostPosted: Mon Nov 02, 2009 9:09 am 
Retro Guru

Joined: Wed Dec 10, 2008 9:19 am
Posts: 2093
Location: Sheffield, top city
i think the shimano arent called 105 or whatever.
they are prefixed with an R. Theyre called something like R400/R500. One is tiagra quality, the other is 105/ultegra quality.

Some people swear by alhongas cos theyre cheap, have a really deep drop (more than the shimano ones) and work quite well. Cant comment first hand as Ive never used em.


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 Post subject:
PostPosted: Mon Nov 02, 2009 10:43 pm 
Newbie

Joined: Fri Oct 30, 2009 8:22 am
Posts: 8
thanks for all the feedback :D I'll fit the weinmann rims this week when they come. The rear steel wheel is slightly buckled so with the new rims, I'll be able to adjust the old brakes a lot better, if they are still no good even with a service, I'll either go with the tektro or the shimano options.

Really glad to be riding a Puch. Not sure if there are any old car buffs here, I'm also a big fan of the Puch Haflinger:

Image

Good esoteric Austrian engineering :D


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 Post subject:
PostPosted: Tue Nov 03, 2009 2:22 am 
Old School Grand Master

Joined: Sun Oct 21, 2007 2:33 am
Posts: 5487
Location: WI, USA
Dia Compe also made many longer reach brakes over the years. Not sure what vintage brakes you are looking for but I think there were even long reach 57 versions of DA and Shimano 600 up through the mid to late 80's


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 Post subject:
PostPosted: Wed Nov 04, 2009 2:50 pm 
Newbie

Joined: Fri Oct 30, 2009 8:22 am
Posts: 8
..after doing a few runs with the old brakes :shock: I took the plunge and quickly upgraded to the Tektro's.. (Tried Spa and quite a few dealers in London but none of the seem to be able to source the long drop Shimano's). Stopping power is 100% better now, thanks :D

Not sure if there are any Puch-o-philes here, would love to know when the bike came out, it's a 'Pursuit'. Don't think it's a top-end one..good to be back on a road bike after 10 years with a Gary Fisher though.


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