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 Post subject: Rapid rise rear mech.
PostPosted: Fri May 24, 2013 4:14 pm 
Dirt Disciple

Joined: Tue May 24, 2011 3:30 pm
Posts: 72
Location: Bolton
Is it possible to use ordinary shifters with a rapid rise rear mech.


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PostPosted: Fri May 24, 2013 6:29 pm 
Old School Hero
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Joined: Wed Jan 14, 2009 7:38 pm
Posts: 211
Location: Yorkshire
Yes


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PostPosted: Fri May 24, 2013 6:33 pm 
Old School Grand Master
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Joined: Sun Aug 21, 2011 11:57 pm
Posts: 4074
Location: Antwerp, Belgium
Sure is, but keep in mind it'll do the exact opposite of what you'll expect.
I put that combination on a friend's bike last year and keep messing up the gears whenever I need to ride it.


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PostPosted: Fri May 24, 2013 10:58 pm 
Gold Trader / MacRetro rider
Gold Trader / MacRetro rider

Joined: Thu May 06, 2010 10:05 pm
Posts: 5663
Location: Aberdeen
Piers wrote:
Yes


Agreed. I changed to a RR rear mech recently and to be honest I think I prefer it, took me couple of rides to get 100% used to it, but shifting "up" the cassette seems more responsive.


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PostPosted: Sat May 25, 2013 8:53 pm 
Old School Grand Master

Joined: Tue Oct 09, 2007 1:55 pm
Posts: 8222
Location: New Forest, UK
Wait until the spring weakens, then it will up shift whenever you stomp on the pedals...


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PostPosted: Sun May 26, 2013 9:33 am 
Dirt Disciple

Joined: Tue May 24, 2011 3:30 pm
Posts: 72
Location: Bolton
Somebody else has recently said the same thing about the weak spring, i'm now thinking it might not be such a good idea.


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PostPosted: Sun May 26, 2013 12:53 pm 
Gold Trader / MacRetro rider
Gold Trader / MacRetro rider

Joined: Thu May 06, 2010 10:05 pm
Posts: 5663
Location: Aberdeen
How long does it take for the spring to weaken?


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PostPosted: Sun May 26, 2013 1:16 pm 
Retro Guru
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Joined: Thu May 03, 2012 7:13 pm
Posts: 2574
Location: The Cock Inn, Tillett, Herts
Depends how often you ride it and change gear. The boys are right, a slack RR mech is a pain, whereas a slack top normal Will usually unacceptably well until something falls off it entirely.


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PostPosted: Sun May 26, 2013 1:39 pm 
Retro Guru

Joined: Mon Feb 11, 2008 9:42 am
Posts: 2386
jimo746 wrote:
How long does it take for the spring to weaken?
years and years and years. My original xtr rr rear mech (951?) only got binned when I smacked it off a rock, after I'd been using it for about 8 seasons/years, still worked until the moment of impact. Some of the bits live on in a newer xtr rr. I've also got the latest and greatest xtr rr on my best bike and another one of some description on my fs.
All of them all work perfectly. (As does the xt rr on my wife's winter bike)

I'm actually putting off going to 10 speed on my best bike as I'll have to ditch the rr.

A mate is also still running an original xtr rr on an old proflex carbon.


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PostPosted: Sun May 26, 2013 4:30 pm 
Gold Trader / MacRetro rider
Gold Trader / MacRetro rider

Joined: Thu May 06, 2010 10:05 pm
Posts: 5663
Location: Aberdeen
I guess the spring will last as long as in a regular mech, which is probably many years, or at least longer than I will have the bike, probably.


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