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Shimano br-r550 cantilevers - what a drag!
On Dec 9, 10:02*am, AMuzi wrote:
JG wrote: I decided my vintage MAFAC's needed an update and the Shimano BR- R550's looked like the ticket. *Beautifully polished, and the cables all tuck neatly. *So I picked up a pair in great condition with KoolStop pads off of eBay, and... Argh! they will fit which was my big worry, but there's no way the spring will put any tension on the calipers and I only have one hole in my vintage bosses...They are utterly useless and I suspect the new models won't work with the traditional dimensions either... JG I'm not sure I understand but modern Shimano cantilevers observe Mafac's classic mounting dimensions and work quite well. Modern designs assume teflon lined casings and so have a softer return spring. *SNIP* Modern designs also assume a return spring in the lever. |
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#12
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Shimano br-r550 cantilevers - what a drag!
Hank wrote:
On Dec 9, 10:02 am, wrote: JG wrote: I decided my vintage MAFAC's needed an update and the Shimano BR- R550's looked like the ticket. Beautifully polished, and the cables all tuck neatly. So I picked up a pair in great condition with KoolStop pads off of eBay, and... Argh! they will fit which was my big worry, but there's no way the spring will put any tension on the calipers and I only have one hole in my vintage bosses...They are utterly useless and I suspect the new models won't work with the traditional dimensions either... JG I'm not sure I understand but modern Shimano cantilevers observe Mafac's classic mounting dimensions and work quite well. Modern designs assume teflon lined casings and so have a softer return spring. *SNIP* Modern designs also assume a return spring in the lever. True, and that helps much more than people might think. -- - Frank Krygowski |
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