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PostPosted: Sun Feb 25, 2018 10:43 pm 
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Joined: Fri Jan 13, 2017 9:16 pm
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Location: Cougar Hunting...
I'm doing a full South-North (Lizard-Lands End- John O'Groats- Dunnet Head) ride in the second half of May and following a change of plan regarding the bike, here's the build thread (V2).

First up were the wheels... Pacenti SL25 on 32h Hope Pro 4 hubs built with ACI Alpina DB spokes (2.0-1.7-2.0). Build up very easily and look great except when you look up close at the Pacenti stickers which are really thick, cheap affairs.

Attachment:
File comment: Pacenti SL25 on Hope Pro4 with Vittoria Voyager Hyper
Pacenti wheels.jpg
Pacenti wheels.jpg [ 460.58 KiB | Viewed 2327 times ]


Those that know me will be aware of my strong preference for Campagnolo and almost equally strong aversion to Shimano... Which is fine for roadie builds and commuting but makes things a tad challenging if you're needing touring bike ratios...



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Chainset.jpg
Chainset.jpg [ 195.13 KiB | Viewed 2327 times ]


The whole thing is based around a beloved 48-39-30 Record chainset with not-quite-frameset-matching green Crank Brother Pedals... Which is great on an audax, but will be waaaaay too highly geared when fully loaded and paired with Campag's lowest gear sprocket of 29t.

The solution for me is 10 speed SRAMpagnolo - basically, a full Campag groupset with the rear mech swapped out for a SRAM one... Which, in this case is a mint condition shiny silver X0 long cage from eBay. It's an absolutely gorgeous thing which is a first for me to say about SRAM!

Attachment:
X0 mech.jpg
X0 mech.jpg [ 161.01 KiB | Viewed 2327 times ]



And that allows me to use the biggest dinner plate sized cassette I've ever had on a road bike...

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dinner plate cassette-768x1024.jpg
dinner plate cassette-768x1024.jpg [ 390.55 KiB | Viewed 2327 times ]


It's "only" an 11-36 cassette, but there's a 160mm brake rotor hiding behind it!

More soon...h


Last edited by jackosbournesnr on Sun May 06, 2018 8:50 am, edited 1 time in total.

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 Post subject: Re:
PostPosted: Mon Feb 26, 2018 11:03 am 
Devout Dirtbag

Joined: Mon Feb 01, 2010 10:36 pm
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I've read that the long cage sram mechs play well with the sinrace 11-40t cassettes if you needed a bit more


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 Post subject: Re: End to End Build
PostPosted: Mon Feb 26, 2018 11:26 am 
Old School Grand Master

Joined: Tue Oct 09, 2007 1:55 pm
Posts: 9193
Location: New Forest, UK
Looks good!
You can go as small as a 24T inner on the chainset, which keeps the ratios on the cassette nice and close and keeps the large sprocket smaller. The stock Campag triple front mech is quite happy with the 24T range.
My preferred all Campag setup is to use 24/39/48 with a 12-23 on the back, not tried the BBB 12-27 casette on it yet.


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 Post subject: Re: End to End Build
PostPosted: Mon Feb 26, 2018 11:48 am 
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Location: Cougar Hunting...
I thought about downsizing the granny ring, but having already dropped cash for new middle and outer chainrings, I'm going to wait until I've had a couple of fully loaded test rides.

My other concern with going lower is to be cadence... lifelong masher vs tiny little twiddly gears... could end up stalling!


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 Post subject: Re: End to End Build
PostPosted: Mon Feb 26, 2018 3:19 pm 
Old School Grand Master

Joined: Tue Oct 09, 2007 1:55 pm
Posts: 9193
Location: New Forest, UK
I'm just about to experiment with a mech hanger dropper / extender thing to get my Record short cage rear to run with a 12-27 and double. It's fine on chain wrap range, but doesn't sit low enough even with the B-tension done right up. I realised that this mod might also work for you with a bigger cassette.

Will report back.


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 Post subject: Re: End to End Build
PostPosted: Mon Feb 26, 2018 4:42 pm 
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Location: Cougar Hunting...
Would be good to hear how you get on with that. I have heard 32t is doable on some frames.

Sounds like you've got a really short hanger. All v2 9 speed and 10 speed rear mechs should shift to 29 and your biggest enemy should really only be chain wrap.

I've got a 9speed (v2) short cage Record running 12-28 with a standard 52-39. Its fine


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 Post subject: Re: End to End Build
PostPosted: Sat Mar 03, 2018 5:57 pm 
Old School Grand Master

Joined: Tue Oct 09, 2007 1:55 pm
Posts: 9193
Location: New Forest, UK
Just swapped the mech onto the hanger dropper. It is 1996 Chorus, shifts have cleared up massively now with the 12-27.
The frame is a 1994 Litespeed and has a very short hanger, certainly compared to my Witcomb.


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 Post subject: Re: End to End Build
PostPosted: Sun Mar 04, 2018 10:29 am 
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Joined: Fri Jan 13, 2017 9:16 pm
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Location: Cougar Hunting...
Excellent! Glad it's made the difference you hoped for.

Even a 96 vintage 9 speed mech should go to 28, so the hanger on your Litespeed must be tiny!

I'm guessing it was designed as an all out racing machine and therefore wouldn't have anything bigger than a 21 block on the back!

Can you share a couple of photos with/without the hanger extension? I'm intrigued by both the frame design and how the gizmo looks when fitted.

I'm running Shimano cassettes at the back on this bike (disc brake hubs) so I'd be unlikely to use it to revert to full Campag, but it does open up possibilities on my other bikes or if Campag spaced Shimano fit cassettes appear back on the market.


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 Post subject: Re:
PostPosted: Thu Mar 08, 2018 9:03 pm 
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Joined: Fri Feb 10, 2012 6:37 pm
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Location: Never far from a spanner.
Do we get to see a picture of the whole thing yet (or as much of it as there is)............


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 Post subject: Re: End to End Build
PostPosted: Fri Mar 09, 2018 1:00 pm 
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Location: Cougar Hunting...
I'm planning to finish the build this weekend, so I'll post more pics as that progresses.

I still haven't unwrapped the frame so even I don't know what the bike actually looks like!


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