Lightweight Rd on Sram

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wshiong

Post subject: Lightweight Rd on Sram

Posted: Tue Dec 18, 2012 3:13 am

Joined: Tue Oct 12, 2010 4:00 pm
Posts: 438
Location: MY

Is that possible a Lightweight Rd on a Sram red 10 speed shifters. Cant find much info on net. Has anyone done this setup before. According to Lightweight handbook is only for shimano and campy. I assume sram are similar to shimano.

Anyone?

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Parlee Z3sl - 5 kg

Passoni Xxti- 6.2 kg

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wpccrunner

Post subject: Re: Lightweight Rd on Sram

Posted: Tue Dec 18, 2012 3:19 am

Joined: Fri Dec 07, 2012 8:34 pm
Posts: 36
Location: South Florida

without reading any info in this Lightweight RD you speak of, I do know that Sram hss a different cable pull ratio than shimano and campy. as in a SRAM RD does not work with Shimano shifter and vice-a-versa

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eric

Post subject: Re: Lightweight Rd on Sram

Posted: Tue Dec 18, 2012 7:45 pm

Joined: Tue Nov 11, 2003 9:47 pm
Posts: 954
Location: Santa Cruz, California, USA

Sram cable pull is very different from Shimano.

You could use a Jtek shiftmate to match the cable pull but it would look inappropriate with a Lightweight derailleur.

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dereksmalls

Post subject: Re: Lightweight Rd on Sram

Posted: Tue Dec 18, 2012 9:36 pm

Joined: Tue Aug 02, 2011 9:20 pm
Posts: 759
Location: New Zealand

One of these?

You actually have one of them? :shock:

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bm0p700f

Post subject: Re: Lightweight Rd on Sram

Posted: Tue Dec 18, 2012 10:21 pm

in the industry

Joined: Sat May 12, 2012 7:25 pm
Posts: 836
Location: Glermsford, Suffolk U.K

That is just porn. I feel corupted and dirty now, thanks guys.

How light is it?

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wshiong

Post subject: Re: Lightweight Rd on Sram

Posted: Wed Dec 19, 2012 2:58 am

Joined: Tue Oct 12, 2010 4:00 pm
Posts: 438
Location: MY

dereksmalls wrote:

One of these?

You actually have one of them? :shock:

Yes i have it running on campy for few years. Now planing to go sram, just would like to ask before i took out from the bike. If cant fit i wont do it and have to reinstall back to campy again.

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Parlee Z3sl - 5 kg

Passoni Xxti- 6.2 kg

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prendrefeu

Post subject: Re: Lightweight Rd on Sram

Posted: Wed Dec 19, 2012 3:13 am

Joined: Wed Oct 31, 2007 10:32 pm
Posts: 6601
Location: Los Angeles

A tuned SRAM RD is lighter and more affordable. :wink:

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Wingnut

Post subject: Lightweight Rd on Sram

Posted: Wed Dec 19, 2012 3:48 am

Joined: Sat Jun 23, 2007 12:41 am
Posts: 1056

But the Lightweight derailleur has triple the coolness...

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"Because technology alone is a poor substitute for experience." - Richard Sachs

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prendrefeu

Post subject: Lightweight Rd on Sram

Posted: Wed Dec 19, 2012 4:12 am

Joined: Wed Oct 31, 2007 10:32 pm
Posts: 6601
Location: Los Angeles

True, true. :lol:

Maybe OP can tune it. :twisted:

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wshiong

Post subject: Re: Lightweight Rd on Sram

Posted: Wed Dec 19, 2012 4:19 am

Joined: Tue Oct 12, 2010 4:00 pm
Posts: 438
Location: MY

prendrefeu wrote:

A tuned SRAM RD is lighter and more affordable. :wink:

Been running on sram rd with fiberlyte pulley and cage now.

_________________
Parlee Z3sl - 5 kg

Passoni Xxti- 6.2 kg

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wshiong

Post subject: Re: Lightweight Rd on Sram

Posted: Wed Dec 19, 2012 4:22 am

Joined: Tue Oct 12, 2010 4:00 pm
Posts: 438
Location: MY

prendrefeu wrote:

True, true. :lol:

Maybe OP can tune it. :twisted:

Maybe i will just try to fix it with standard shifters and see how it works. If really not fit will change back to sram.

_________________
Parlee Z3sl - 5 kg

Passoni Xxti- 6.2 kg

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NGMN

Post subject: Re: Lightweight Rd on Sram

Posted: Wed Dec 19, 2012 4:28 am

Joined: Mon May 30, 2005 7:13 am
Posts: 1456

I think the actual pull ratios for the various derailleurs are something like:
SHimano 1.7:1
Campy 1.4:1
Sram 1.3:1

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lechat

Post subject: Re: Lightweight Rd on Sram

Posted: Wed Dec 19, 2012 4:52 am

Joined: Thu Sep 30, 2010 3:32 pm
Posts: 218
Location: S.E. TN

prendrefeu wrote:

True, true. :lol:

Maybe OP can tune it. :twisted:

I'm a terror with a dremel, but I'd need at least 4 fingers before cutting into that thing.
To steady my hand if nothing else.

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dereksmalls

Post subject: Re: Lightweight Rd on Sram

Posted: Wed Dec 19, 2012 6:10 am

Joined: Tue Aug 02, 2011 9:20 pm
Posts: 759
Location: New Zealand

wshiong - is your bike with the LW derailleurs in the gallery section? I'd love to see them!

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wshiong

Post subject: Re: Lightweight Rd on Sram

Posted: Wed Dec 19, 2012 8:02 am

Joined: Tue Oct 12, 2010 4:00 pm
Posts: 438
Location: MY

dereksmalls wrote:

wshiong - is your bike with the LW derailleurs in the gallery section? I'd love to see them!

yea on a parlee.

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Parlee Z3sl - 5 kg

Passoni Xxti- 6.2 kg

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