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Thread: 5"-6" Travel Full Suspension 29 Inch Aluminum Mountain Bike (Bike Porn)

  1. #1
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    Default 5"-6" Travel Full Suspension 29 Inch Aluminum Mountain Bike (Bike Porn)

    Had some amateurish fun with my DLSR this afternoon...

    Bike is a LunchBox PunkAss6 made by Lenz Sport in Ft. Lupton, CO. Handmade aluminum frame.

    Couple of highlights:
    -150 mm RockShox Pike fork
    -Rock Shox Vivid Air R2C shock
    -SRAM XO1 11-speed
    -Hope Tech 4 Piston brakes 8"/7" rotors
    -Rear triangle spaced 150mm
    -16.72" chainstays - shortest available on a full suspension 29er for quickness, handling, and climbing prowess
    -Size medium frame
    -Raw aluminum finish

    Some detailed shots of the 32-pound (with pedals) build...



    32# *with* pedals







    30t Raceface narrow/wide *just* fits, XO1 is butter smooth



    aforementioned 57mm stroke Vivid Air -- extremely supple small bump compliance, firm beginning stroke with virtually no pedal bob, and big hit capability



    SRAM controls, Hope stoppers, wide bar/short stem cockpit for comfort and control





    plenty of clearance with the XC-ish 2.4 Ardent EXO wrapped on Salsa Gordo hoops. gonna snag a set of Minions when the time is right.



    silly stiff rear end with 150mm spacing





    4-piston Hope M4s - incredible modulation and gobs of power



    hand-made in the good 'ol US of 'MURICA

    Now if we could get the rain to stay away for a few days I may be able to get back on the trail!

    Errbody likes a lil bit of bike porn every now and then, right?!
    "ya, well...that's like...your...opinion. man."

  2. #2
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    I'm most interested into the XO1, is that bad?

  3. #3
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    Trail Steward - Geneseo Prairie Park
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    Thumbs up

    Me likely the Goodridge brake lines.
    ANYTHING can be fixed...how badly do you want it?

  4. #4
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    Quote Originally Posted by jJohnson View Post
    I'm most interested into the XO1, is that bad?
    Nope. That's part of the reason I posted this. So far the XO1 has performed as advertised - very quick and precise shifting, no dropped chains, and virtually silent on the trail.

    However, this is partially due to "new bike syndrome" as I only have 50 miles/10 hours on it so far.
    "ya, well...that's like...your...opinion. man."

  5. #5
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    Quote Originally Posted by jimithng23 View Post
    Nope. That's part of the reason I posted this. So far the XO1 has performed as advertised - very quick and precise shifting, no dropped chains, and virtually silent on the trail.

    However, this is partially due to "new bike syndrome" as I only have 50 miles/10 hours on it so far.
    I have endurance guys on the team running XX1 with a full season without any issues. I'm an Shimano XT guy myself, but shaving a pound off the drivetrain is pretty attractive. $400+ for a cassette (a wear item mind you) is just against my laws of logic.

    What, no 650b!? That's what all the cool kids are doing! (How To Be A Mountain Biker: Pick a wheel size and be a dick about it ;)

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  6. #6
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    Also thought I should add, since I put it in the thread title...

    In the current configuration, I get 150mm travel up front and ~142mm out back.

    The Vivid Air is a 57mm stroke so Devin Lenz spec's the LunchBox with 5" levers (rockers), otherwise the stock 6" levers would cause the seat stay junction to slam the seat tube at full travel.

    To get the full 6" of travel as the frame was designed I can install the 160mm air sleeve in the Pike, swap the Vivid Air for the Rock Shox Monarch+, and swap the 5" levers for the 6". This combination apparently is a bit more plush in the initial stroke of the rear shock/not quite as firm as the VA, while still being able to soak up chunder and big hits at high speeds <--- read, *Moab* setup ;-)
    "ya, well...that's like...your...opinion. man."

  7. #7
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    Upon initial installation of the XO1 I had a nasty creak/groan coming from somewhere in the driveline.

    Turns out it was the cassette carrier. I removed the cassette, greased the threads on the XD driver on the hub, and slathered grease in where that carrier made contact with the cassette.

    Initially, this didn't fix the problem. I just said f it and went for a ride anyway. The noise went away almost immediately; grease must've just worked itself in there.
    "ya, well...that's like...your...opinion. man."

  8. #8
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    Quote Originally Posted by jimithng23 View Post
    Upon initial installation of the XO1 I had a nasty creak/groan coming from somewhere in the driveline.

    Turns out it was the cassette carrier. I removed the cassette, greased the threads on the XD driver on the hub, and slathered grease in where that carrier made contact with the cassette.

    Initially, this didn't fix the problem. I just said f it and went for a ride anyway. The noise went away almost immediately; grease must've just worked itself in there.
    A little grease does wonders.

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