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  1. #451
    - factotum -
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    No mtb, but still IGH bike p0rn

    Two hours ago I unpacked a very large parcel and Voilá! out in the dirt.


    Retrovelo Alfons von pu bär auf Flickr


    Retrovelo Alfons von pu bär auf Flickr

  2. #452
    1*14*29*2.1 & 1*1*29*2.4
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    nice...something very appealing about your bike even though not my thing.

  3. #453
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    Great photos, lovely bike!
    I love the look of retrovelo bikes, but they seem so slow!

  4. #454
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    Van Nicholas Zion


    more pics here

    Idworx Mountain Rohler



    more pics here

  5. #455
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    got upset, started throwing things in the basement at each other, this fell down when I was done.
    winter bikie-poo.
    need smaller alfine cog to sort out the magic gearing but ah well.

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    If steel is real then aluminium is supercallafragiliniun!

  6. #456
    A Man Of The Truth
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    I've got a 20t and a 22t both very lightly used and for sale. PM me if you're interested.

  7. #457
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    Other direction. have an 18 in there now, a 17 would be me a near-as damn perfect magic gear.
    Thanks though!
    If steel is real then aluminium is supercallafragiliniun!

  8. #458
    dru
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    Quote Originally Posted by faxe View Post



    other tall dudes riding big 26ers, and 29ers of course.....
    occasional cyclist

  9. #459
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    Might be the wrong thread but id like your opinion of running a Truvativ HammerSchmidt AM Crankset with a Shimano Alfine 11 speed hub.

  10. #460
    will rant for food
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    Quote Originally Posted by the_desh View Post
    Might be the wrong thread but id like your opinion of running a Truvativ HammerSchmidt AM Crankset with a Shimano Alfine 11 speed hub.
    I wouldn't.

    For starters, while I like the Alfine well enough, and my time on the Hammerschmidt was also pretty good, consider that there are mechanical losses in an internal gearing setup that are higher than a conventional derailleur drive train. Efficiency losses get multiplied, so if the Alfine is, say, 95% efficient, and so is the Hammerschmidt, and your straight chain is 98% efficient, then, (and this is really unscientific)

    .95 x .95 x .98 = ~.885

    vs one internal gear source:

    .95 x .98 = .931

    So you're losing a few extra bits of efficiency.

    Second, I'd like to keep my weight penalties in one place.

    Third, the Alfine 11 is (admittedly vague) generally regarded as less durable than an Alfine 8. If you were to abuse either of those hubs with a lower-than-recommended input ratio via the Hammerschmidt, you'd be better off with the 8. Big asterisk here, I haven't owned an 11.
    Latitude: 44.93 N

  11. #461
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    Quote Originally Posted by the_desh View Post
    Might be the wrong thread but id like your opinion of running a Truvativ HammerSchmidt AM Crankset with a Shimano Alfine 11 speed hub.
    In addition to what the other guy said, there's just no reason to do it. The 11 speed hub already gives you a very wide range of gears. If you really need more, the cost of an Alfine plus hammerschmidt is probably the same as a rholoff 14 speed. Which would be way better in terms of performance and definitely durability.

    If you break out a spreadsheet and do the gear ratio math, keeping the low front gear above the 1.9 input for the A11, I'm sure you'll find the ratios for the high front gear to be silly and useless. By my quick math, that will give you nearly a 7:1 top gear. Compared to a 4:1 top gear on a regular 3x9 derailler drivetrain. There's no point.

  12. #462
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    Internal hub Colson

    Internal Hub MTBs, post yours here!-img_0223.jpg

    '36 Colson frameset, headbadge, Wald Aero stem.
    The rest NOS or new.
    8 speed Shimano hub.
    Love it.
    Thanks for looking.

    DAvid

  13. #463
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    Quote Originally Posted by colson View Post
    '36 Colson frameset, headbadge, Wald Aero stem.
    That looks fun! More pics please!

    Might want to add a post here too: The Cruiser Thread
    --------------

    [WTB} 1987 Cannondale SM800, 20", Pink with airbrushed graphics.

  14. #464
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    Wow, impressive!

  15. #465
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    That raises an interesting question about the definition of cruiser. I have a '55 Schwinn Red Phantom, my wife rides a '58 Schwinn American, and I have a '36 Elgin I'm putting together. I know the stock bikes would be considered cruisers, but I didn't think this one would be since it's used off road. Maybe the old frameset is what determines the type name?
    I have pictures of this build from the bare frame up, I should gather them and post, it would be fun to see other member's builds from the ground up too.


    Quote Originally Posted by J_Westy View Post
    That looks fun! More pics please!

    Might want to add a post here too:

  16. #466
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    Quote Originally Posted by ekcyclops View Post
    Wow, impressive!
    Thanks!

  17. #467
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    Quote Originally Posted by colson View Post
    That raises an interesting question about the definition of cruiser.
    True, but that VRC thread has cruisers, 26" bmx cruisers, klunkers and bombers. Yours would be a great addition.

    But, to tell you the truth, this thread would be better:
    Lets see your klunkers

    Regardless, I'd say your bike deserves it's own "build" thread and a post in the klunkers thread.

    Again, strong work!

    P.S. There's a decent klunker thread here too: ★ RATRODBIKES.COM ★ • View topic - SHOW US YOUR KLUNKERZ
    --------------

    [WTB} 1987 Cannondale SM800, 20", Pink with airbrushed graphics.

  18. #468
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    Quote Originally Posted by colson View Post
    I have pictures of this build from the bare frame up, I should gather them and post, it would be fun to see other member's builds from the ground up too.
    Here are a couple prewar bike builds with modern IGHs if you haven't seen them:

    My '39 DX: View topic - 1939 DX Schwinn Ace -- Finished | Retrobike

    sandmangts's ca '36 Elgin: How far can you take a pre-war frame?

    sandmangts's '36 Mercury: Pre -War Mercury project.
    --------------

    [WTB} 1987 Cannondale SM800, 20", Pink with airbrushed graphics.

  19. #469
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    Alfine8 on my 907FB, loaded and rolling in the mud.

    Internal Hub MTBs, post yours here!-p1010011.jpg

  20. #470
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    Fresh build, waiting for delivery.
    Still needs tweeks...

    Shay and the crew at Freewheel Cycles are the best.

    d

    Internal Hub MTBs, post yours here!-ml-c1.jpgInternal Hub MTBs, post yours here!-ml-c2.jpgInternal Hub MTBs, post yours here!-ml-c4.jpg
    Last edited by synthesis; 03-25-2013 at 03:22 PM.

  21. #471
    1*14*29*2.1 & 1*1*29*2.4
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    nice looking bike....what cranks and brakes are those?

  22. #472
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    Quote Originally Posted by finch2 View Post
    nice looking bike....what cranks and brakes are those?
    Thanks finch2,

    Surly MWOD crankset.
    Shimano CX75 short pull calipers, work with Versa shift/brake levers.

    d

  23. #473
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    I wondered about that. I have a Nexus and have been timid about getting it wet and muddy, but it looks like I have nothing to worry about, you get it that muddy with no ill effects?


    Quote Originally Posted by OFFcourse View Post
    Alfine8 on my 907FB, loaded and rolling in the mud.

    Click image for larger version. 

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  24. #474
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    That was my first big mud up (it's summer here, still...) but it's on the beach and in the salt water often enough that I would have expected ill effects already if they were coming, probably due for a service tho lot of miles on it.

  25. #475
    rollin
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    A pic from today's ride:
    Attached Thumbnails Attached Thumbnails Internal Hub MTBs, post yours here!-nickel1-2.jpg  


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