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the gearbox thread

Discussion in 'Downhill & Freeride' started by xy9ine, Sep 17, 2004.

  1. Sandwich just shake your rump

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    that quote is pretty priceless. Lack of squeekies, silence, light weight...those are all good reasons. A chain stretches at a rate of IDGAF/whenever I adjust the tensioner.
    #961 Oct 12, 2012   
  2. TrueScotsman Member

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    Apologies if this has been posted already- I've been away from RM for a few months, but how's this for interesting?-
    The first (?) Pinion geared DH bike?

    (At least I think it is!)

    From the guys that brought you this;


    Comes a new 4th gen DH gearbox bike;


    Whilst this image doesn't show much, a CAD screen shot from their website clearly shows a Pinion gearbox;


    I can't wait to hear more info!
    #962 Nov 8, 2012   
  3. Sandwich just shake your rump

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    ok, now produce it.
    #963 Nov 8, 2012   
  4. no skid marks Active Member

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    Nicolai have one. Not sure if it's production or show, but it's real.
    #964 Nov 8, 2012   
  5. jeremy_2640 Member

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    I am one those guys! As far as we are aware it's the first pinion DH bike, we are waiting on our first boxes and still have a fair amount of moulding work to do but it's slowly happening! Thanks for the interest in it - we can't wait to see it in the flesh. Lot's of work put into this one...
    #965 Nov 25, 2012   
  6. Tdiddy Member

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    Is this where we're talking about the new full carbon v10 now? I'm confused.
    #966 Nov 25, 2012   
  7. dilzy New Member

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    We've already established it looks flexy and will buck you.
    #967 Nov 26, 2012   
  8. sethimus Active Member

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    does it ride light?
    #968 Nov 26, 2012   
  9. no skid marks Active Member

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    I'll pay that. Anything to get rid of Moar flexy rootbeer.
    #969 Nov 26, 2012   
  10. Udi Active Member

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    Yes, I believe this is the official V10C tech/tuning thread.

    I'll start - damn that's a light frame!
    #970 Nov 26, 2012   
  11. General Lee New Member

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    All that testing, design and manufacturing prowess and still, STILL a F***king derailleur!!


    Too soon?
    Last edited: Nov 26, 2012
    #971 Nov 26, 2012   
  12. boogenman New Member

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    Where can I get a TLD race kit with the Wonder Bread bag design on it?

    Kinda like this?
    #972 Nov 26, 2012   
  13. dilzy New Member

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    At least put it in quotes instead of plagiarising it jesus....
    #973 Nov 26, 2012   
  14. General Lee New Member

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    Ask this guy

    Last edited: Nov 26, 2012
    #974 Nov 26, 2012   
  15. jeremy_2640 Member

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    Hey guys, it's been a while since I've posted here, thought it'd be nice to get the gearbox thread back up the list!

    We've been working flat out on getting our bike together - if you want to see some pictures and info on the build jump on our facebook and like it (links in my signature). Help spread the word, we're super excited about this new bike!?!

    Jeremy

    Jezken-Mk4-FB-Teaser.jpg
    #975 Mar 21, 2013   
  16. eater Member

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    #976 Jul 14, 2013   
  17. xy9ine Active Member

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    wow, this thread is almost 9 years old now. curious the current state of gearbox development (or lack thereof); i had thought we'd have come further, or perhaps one of the big players would have come out with a light(er) weight high performance gear hub. that said, derailleur systems have come a long way; clutches and tucked away designs in conjunction with drop-resistant chainrings and huge spread cassettes have certainly reinforced their viability. my newfangled derailleurs work pretty great.

    that said, my lahar is now into it's 7th year; soldering on flawlessly as always...
    #977 Jul 14, 2013   
  18. Kntr Active Member

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    Ive had my Zerode 2 years with only 1 missed shift because I didn't have the cable adjusted correctly. I absolutely love this thing. I haven't done a single thing to the bike. Love it!
    #978 Jul 14, 2013   
  19. ianjenn Active Member

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    The best bet would be a Honda esque system that basically allows unlimited gear range so the AM crowd can have a any range via a trigger shifter. Although the 600%+ that the Pinion provides is good. I suspect the UCI would get its panties in a bunch if a Downhill bike showed up with an unlimited gear range. But if you could find a way to limit the gears used to say 10. Then be able to move it around for a certain track that would be pretty cool. BTW I use 3 gears on the Zerode 4 if I am feeling frisky.
    #979 Jul 14, 2013   
  20. demo 9 Active Member

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    Are there any internally geared hubs besides an alfine? Anybody know?
    #980 Jul 14, 2013   
  21. no skid marks Active Member

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    True, I thought the big boys have jumped in by now. Clutched mech and weight weeny fad has given them new lease on Mech salability. I still think the centralized weight, shifting any time, toughness, reliability, and better ground clearance are huge reasons for gearbox over mechs.
    Wish I'd had kept my Lahar, I'd have loved to have got a cromo shorter swingarm made for it to lower the BB and shorten the rear.
    Pretty sure the UCI banned the CTV Honda, and made a 9 speed ruling. Not sure what's happened to that now 10 speeds here.

    Rohloff, Sram also make some, Sturmey Archer, Nuvinci.
    #981 Jul 14, 2013   
  22. konastab01 New Member

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    Damn 9 years. My Lahar hangs in my garage not doing anything these days!
    #982 Jul 15, 2013   
  23. xy9ine Active Member

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    i'd like to do exactly this at some point. perhaps lose the floater at the same time. alas, i'm in allmountainy enduro mode these days, so the sled doesn't get used enough to make that a priority. that said, the geometry is still surprisingly current as is. what i thought was ridiculously slack back then is standard fare right now. bb is a bit higher, yes (close to v10 height, so not too far off), and stays certainly longer, but i'm used to them now. running the thing short shocked (~8" travel) drops things a little, and works quite nicely.

    pretty sure this thing will still be viable at 10 yrs. pretty rad.

    konastab - the bike still intact? replaced with another dh rig? curious where the rest of them ended up. where are you?
    #983 Jul 15, 2013   
  24. no skid marks Active Member

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    I can recall people on here saying they were way too slack. Bagging Carbon, press fit BBs and headsets.
    Short shocking it would make the stays even longer though. I guess at ride height they'd be much the shame. New linkage to make it 8"s would be easier. Didn't you get some custom linkage plates before it all went pear shaped? No floater has it's pros for sure. Getting a Horst Link style steel swingarm wouldn't cost you very much. You could short shock it with new front mounting plates and main link and swingarm as a 6" bike. Would be light enough with an air shock. Sick.
    Last edited: Jul 15, 2013
    #984 Jul 15, 2013   
  25. xy9ine Active Member

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    interesting aside - i actually cracked my first frame (small crack near the headtube caused by a big, dumb nose case). aaron built me a new extra carbon fortified stupid-proof front end, and, knowing the weight weenie i was, spun custom plastic bb spacers to go with a lighter set of press in bb bearings than the standard stuff. with the new front end he sent newly whittled lighter shock plates as well (i think they were standard on the later frames). and he did all this for no extra charge, with a 3 week turnaround. alas, later customers' experiences were not so rosy.

    other interesting aside - my old frame was patched up and ended up racing jr worlds at ft bill that year (don't recall who the jr rider was):

    ft bill dave.jpg
    #985 Jul 15, 2013   
  26. jonKranked Press Button, Receive Stupid

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    the last iteration of the honda was basically a DIAB. so i kinda doubt that the UCI banned it.

    doubt there's a 9 spd ruling. most guys run the latest which is 10spd, plus wasn't it ft bill this year that gwin and a few others were rocking custom 7spd cassettes?
    #986 Jul 15, 2013   
  27. no skid marks Active Member

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    Ahh yeah. The last interaction of the Honda was, because the UCI Banned the CVT is the whole point. Not sure if it's true.
    9 speed max was the rule I heard, not minimum. Surely 10speeds been raced by now. Or does everyone know it's crap for DH?
    #987 Jul 15, 2013   
  28. Percy Member

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    I think that Jnr ride was Dave Scandrett, but don't quote me on that, I have been hit in the head since then... :confused:
    #988 Jul 15, 2013   
  29. Banga New Member

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    Confirmed- spent many hours washing/prepping NZ bikes that week.
    #989 Jul 15, 2013   
  30. konastab01 New Member

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    One things for sure if he ever resurfaces he owes me a another one, As he was meant to making the M10's and ****ed me on that one!

    He mad some different linkage plates for the later ones.

    I'd also like to give me a bash at being a enduro bike too, but it all money and considering I've been riding pretty road for the last year Its been really hard to get out and riding anything else! Espically when you gotta drive everywhere.
    #990 Jul 16, 2013   
  31. jonKranked Press Button, Receive Stupid

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    story i heard was that Honda scrapped it because it was too complex for too little improvement.

    don't know where you're hearing this stuff, but it ain't true. why would the UCI ban stock components for dh when in road biking they are mandatory?
    #991 Jul 16, 2013   
  32. ianjenn Active Member

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    I have all the MTBR magazines about the Honda. The first box was insane. It basically had infinite gears in it. It looks pretty damn complicated with all the cams and stuff. But damn its bad-ass looking.....

    I can shoot pictures of the pages and load them on here.
    #992 Jul 16, 2013   
  33. jonKranked Press Button, Receive Stupid

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    yea, i'm pretty sure those are the ones i remember.
    #993 Jul 16, 2013   
  34. slyfink Active Member

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    that would be sweet... do it!
    #994 Jul 16, 2013   
  35. jonKranked Press Button, Receive Stupid

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    here's the final iteration i mentioned, DiaB:

    #995 Jul 16, 2013   
  36. xy9ine Active Member

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    the 1st gen (assumed cvt):



    the three iterations:

    Last edited: Jul 16, 2013
    #996 Jul 16, 2013   
  37. jonKranked Press Button, Receive Stupid

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    i think this might be one of the pages ian referred to:

    #997 Jul 16, 2013   
  38. slyfink Active Member

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    xy9ine, is that an Öhlins shock in that RNF II?!?!?
    #998 Jul 16, 2013   
  39. jonKranked Press Button, Receive Stupid

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    showa. another major lust factor of that bike. fork too.
    #999 Jul 16, 2013   
  40. ianjenn Active Member

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    They started with Kayaba then went to Showa not sure when. I have the magazines it will be about 8-10 pages in total will try to load them at about 2000 by 1600 or so!
    #1000 Jul 16, 2013   

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