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PostPosted: Fri Jan 12, 2018 2:36 am 
Retro Guru

Joined: Sat Dec 29, 2007 7:21 am
Posts: 894
Location: Hobart, Tasmania, Australia
I'm about to commence re-re-rebuilding my '96 Specialized M2 Pro.

I can't decide between 7410 and 7700. I like the 7410 STI and some of the finishes better, and I like the ability to bring in some outside stuff like an aftermarket BB; I like the 7700 derailleur, crankset, standard 9 speed commonality and suuuuuuper neat little ti top cogs cassette. Cons for 7410 to me seem to be that good 8 speed dura ace specific drivetrain stuff (cassettes, freehub bodies) is drying up fast, as is decent 8 speed stuff like higher end chains, stodgy late 80s style hub set, and is it dated, or is it or 'classic' looking?
Cons for 7700 would be the propensity for the 9 speed brifter to wear out, very short supply of dura ace level octalink V1 bbs, and the 'newness' of the styling.
I could always mix the groups I guess, 7410 cranks with 7700 everything else could be a good mixture.

Which would you choose? Rest of the build is going to be intentionally mostly non-European, probably mostly Canadian/American.


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PostPosted: Fri Jan 12, 2018 9:17 am 
Retro Guru
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Joined: Fri Jan 28, 2011 12:09 pm
Posts: 686
Location: suffolk
7700 all the way :D . (with a 7410 seatpost of course!).




Matt


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PostPosted: Mon Jan 15, 2018 4:37 am 
Retro Guru

Joined: Sat Dec 29, 2007 7:21 am
Posts: 894
Location: Hobart, Tasmania, Australia
I think I will go 7700 group minus cranks, post and hubs; use 7410 cranks, a nice Ti square taper BB, I'm shooting for American Classic, TNT or Nuke hubs from the era, and either Syncros or American Classic post.

To my mind that future proofs it a fair bit, I'll be able to get square taper bbs forever as is the case for normal HG 9 speed cassettes and 9/10spd chain. Might have to buy a couple of sets of brifters for when the 9x one inevitably flogs out.


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PostPosted: Thu Jan 18, 2018 1:10 am 
Old School Grand Master

Joined: Tue Oct 09, 2007 1:55 pm
Posts: 9142
Location: New Forest, UK
I'd definitely avoid all things Octalink. On chains I wouldn't worry - the Shimano ones had laughably short lives. Use a KMC or SRAM (or Rohloff or Wippermann if feeling flush) and your rare cassette will last several times longer.


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PostPosted: Thu Jan 18, 2018 6:33 am 
Retro Guru

Joined: Sat Dec 29, 2007 7:21 am
Posts: 894
Location: Hobart, Tasmania, Australia
hamster wrote:
I'd definitely avoid all things Octalink. On chains I wouldn't worry - the Shimano ones had laughably short lives. Use a KMC or SRAM (or Rohloff or Wippermann if feeling flush) and your rare cassette will last several times longer.


Ah so a vote for 7410 then?


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PostPosted: Sun Jan 21, 2018 6:01 pm 
Old School Grand Master

Joined: Tue Oct 09, 2007 1:55 pm
Posts: 9142
Location: New Forest, UK
Indeed!


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