JRC lightweight carbon components

Discuss light weight issues concerning road bikes & parts.
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Jenmoss
Posts: 97
Joined: Wed Oct 25, 2017 10:15 am

by Jenmoss on Wed Nov 22, 2017 9:22 am

I made a purchase from josh .I spoke to him on the phone and his service and customer care was fantastic . Look forward to seeing how light those stems end up .
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by Weenie on Wed Nov 22, 2017 9:22 am

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themidge
Posts: 617
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Location: Auld Reekie

by themidge on Thu May 10, 2018 2:29 pm

Hello, sorry to dig up this thread, but I have query about a JRC carbon component so this felt like the best place.
I just got one of JRC's carbon front derailleur clamps (like a parlee one, if you know what I'm talking about), and am slightly concerned about how to install it. Obviously there are no hinges, so do I just bend it round the tube? It seems to be reluctant to open more than about 1.5cm without feeling like it may snap. :noidea:
Plz help,
-themidge
:hello:
Cannondale Supersix 2008 (weight: 7.3kg)
B'twin Triban 540 (in bits)
Vitus "Benotto" 979 (weight: :? )
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euph
Posts: 153
Joined: Wed May 13, 2015 10:35 pm

by euph on Thu May 10, 2018 3:08 pm

I got one of these clamps as well. I had exactly the same concern. But it was fine with it. Just don't be stupid. As with most things really. It works really well once its on.
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jrccomponents
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Joined: Thu Aug 10, 2017 2:16 pm
Location: Cork, Ireland
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by jrccomponents on Thu May 10, 2018 6:28 pm

themidge wrote: ↑
Thu May 10, 2018 2:29 pm
 Hello, sorry to dig up this thread, but I have query about a JRC carbon component so this felt like the best place.
I just got one of JRC's carbon front derailleur clamps (like a parlee one, if you know what I'm talking about), and am slightly concerned about how to install it. Obviously there are no hinges, so do I just bend it round the tube? It seems to be reluctant to open more than about 1.5cm without feeling like it may snap. :noidea:
Plz help,
-themidge
Hey,

Thanks for the query. As for flexing it around the tube, it's best to open it and press it towards the tube at the same time so you open it only as much as necessary, it will not snap.

We've demonstrated this many times that the clamp can in fact tolerate being pulled apart to not far off flat! (Please don't try this though)

Feel free to pop anymore queries up here or in an email to us. Cheers!
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themidge
Posts: 617
Joined: Fri Jan 13, 2017 4:19 pm
Location: Auld Reekie

by themidge on Thu May 10, 2018 8:58 pm

Thank you, it worked! :D
I did a little mock-up with my 7900 front derailleur, is there supposed to be a gap? (I've got the correct size according to the Cannondale manual) I suppose there has to be a slight gap otherwise you couldn't tighten it.
Image
Don't mind the dusty frame, my build is taking a while.
:hello:
Cannondale Supersix 2008 (weight: 7.3kg)
B'twin Triban 540 (in bits)
Vitus "Benotto" 979 (weight: :? )
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jrccomponents
in the industry
Posts: 21
Joined: Thu Aug 10, 2017 2:16 pm
Location: Cork, Ireland
Contact:
Contact jrccomponents

by jrccomponents on Thu May 10, 2018 9:03 pm

themidge wrote: ↑
Thu May 10, 2018 8:58 pm
 Thank you, it worked! :D
I did a little mock-up with my 7900 front derailleur, is there supposed to be a gap? (I've got the correct size according to the Cannondale manual) I suppose there has to be a slight gap otherwise you couldn't tighten it.
Image
Don't mind the dusty frame, my build is taking a while.
Correct, looks spot on :beerchug:
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