new Canti brake wont fit on Canti post
04-16-16, 06:03 AM
#1
PanGalacticGargleBlaster
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new Canti brake wont fit on Canti post
Title says it all.. I'm putting new canti brakes (Tektro720) on my 92' Cannondale RT2000 (tandem). The rear set went on just fine. Front set I had to hammer the friggen old brakes off and the new ones won't slide on. I dont think i've bent the canti post.... no visible damage to anything. Any suggestions?
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04-16-16, 06:05 AM
#2
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Corrosion on the post?
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04-16-16, 06:33 AM
#4
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I ran into something similar to this on my high sierra. Every time I tightened the brakes down, the end of the posts would deform and stop them from pivoting, and made the brakes nearly impossible to remove. I finally ended up filing a slight bevel onto the ends of the posts, and once tightened they were fine and functioned perfectly.,,,,BD
Last edited by Bikedued; 04-16-16 at 06:41 AM.
04-16-16, 06:40 AM
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Somewhere along the way, probably in order to balance the brakes, somebody over-tightened it, and "bell-mouthed" the ends. A Dremel tool is probably the quickest way to grind the circumference flat.
04-16-16, 06:50 AM
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I ran into something similar to this on my high sierra. Every time I tightened the brakes down, the end of the posts would deform and stop them from pivoting, and made the brakes nearly impossible to remove. I finally ended up filing a bevel onto the ends of the posts, and once tightened they were fine and functioned perfectly.,,,,BD
Glenn
04-16-16, 09:49 AM
#7
PanGalacticGargleBlaster
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emery cloth wins!
all good now
all good now
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04-16-16, 11:09 AM
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You'll like the CR720's.
04-16-16, 11:45 AM
#9
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The 720's are excellent! I recently got some Avid Shorty 4's, and they work equally well. They don't look quite as cool though.,,,,BD
04-16-16, 01:20 PM
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I just wasted about an hour, trying to straighten out a pair of old Shimano cantis. I was looking at those Tektros, and was trying to wait a bit, but I think I'll just break down and get some. 
I'll just wait till tomorrow now, for a test ride, but I got the old Peugeot rideable today, just no front brakes. 
I'll just wait till tomorrow now, for a test ride, but I got the old Peugeot rideable today, just no front brakes.
04-16-16, 02:30 PM
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PanGalacticGargleBlaster
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These are replacing some seriously crusty avid single digits. So far so good. I'll check back in after I bomb a few hills
04-17-16, 11:59 AM
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I like the CR720s, too. Put 'em on my C-Dale ST that a PO had equipped with U-brakes. (Those were great stoppers, but no modulation. They were so grabby it was actually kind of dangerous. Never seen anything like on bikes.) The Tektros are a lot more forgiving and feel much more what I'm used to.
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● 1971 Grandis SL ● 1972 Lambert Grand Prix frankenbike ● 1972 Raleigh Super Course fixie ● 1973 Nishiki Semi-Pro ● 1979 Motobecane Grand Jubile ●1980 Apollo "Legnano" ● 1984 Peugeot Vagabond ● 1985 Shogun Prairie Breaker ● 1986 Merckx Super Corsa ● 1987 Schwinn Tempo ● 1988 Schwinn Voyageur ● 1989 Bottechia Team ADR replica ● 1990 Cannondale ST600 ● 1993 Technium RT600 ● 1996 Kona Lava Dome ●
● 1971 Grandis SL ● 1972 Lambert Grand Prix frankenbike ● 1972 Raleigh Super Course fixie ● 1973 Nishiki Semi-Pro ● 1979 Motobecane Grand Jubile ●1980 Apollo "Legnano" ● 1984 Peugeot Vagabond ● 1985 Shogun Prairie Breaker ● 1986 Merckx Super Corsa ● 1987 Schwinn Tempo ● 1988 Schwinn Voyageur ● 1989 Bottechia Team ADR replica ● 1990 Cannondale ST600 ● 1993 Technium RT600 ● 1996 Kona Lava Dome ●
04-17-16, 12:57 PM
#13
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Made it back alive, so the brakes work.
incidentally, if anyone has an Arai drum brake they wanna get rid of let me know.
incidentally, if anyone has an Arai drum brake they wanna get rid of let me know.
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04-17-16, 01:43 PM
#14
Still learning
04-17-16, 02:51 PM
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Yeah I actually started with a pipe brush but this gunk needed more persuasion than that could provide. Small wonder the old brakes worked at all.
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