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  1. #1
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    Here she is: BMC Trailfox 2

    Is she front-range worthy!?

    Intended Use: XC/AM (Earn it's downhills!)

    Frame Size & Color: 2007 BMC Trailfox 2 19" (120mm)
    Shock: RS Ario 2.0
    Fork: Pike 454 Air U-Turn
    Brakes: Avid Juicy 7 (7"x7")
    Cranks: FSA V Drive MegaExo
    Front Derailleur: X9
    Rear Derailleur: X9
    Shifters: X9
    Cables: Nokon
    Cable Guides: Orange Twist Ties (Nice touch!)
    Pedals: Candy
    Stem: Somethin' cheap
    Handlebar: Alpha Q Carbon
    Seatpost: Thomspon Elite Set Back
    Grips: Oury
    Wheels: Heavy Ass Atomlabs w/ Heavy Ass Tires(Temporary - Awaiting Crossmax ST Thru-Axle Wheels!)
    Weight: 32lb 3 oz. (Hoping for 30lbs even with new wheels/UST tires)


    Built by: Cycle To Fitness, Livonia, MI (www.cycletofitness.com) - Thanks Dan!

    <a href="http://picasaweb.google.com/jlwiner/BMCTrailfox/photo#5194470829424842594"><img src="http://lh4.ggpht.com/jlwiner/SBZ3sqf_F2I/AAAAAAAACm4/ZeuaihnMP2o/s800/IMG_0081.JPG" /></a>
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    <a href="http://picasaweb.google.com/jlwiner/BMCTrailfox/photo#5194470868079548354"><img src="http://lh5.ggpht.com/jlwiner/SBZ3u6f_F8I/AAAAAAAACno/0sKq9R1epeY/s800/IMG_0088.JPG" /></a>
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    <a href="http://picasaweb.google.com/jlwiner/BMCTrailfox/photo#5194470855194646434"><img src="http://lh6.ggpht.com/jlwiner/SBZ3uKf_F6I/AAAAAAAACnY/JP7AohMbwAI/s800/IMG_0086.JPG" /></a>
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    <a href="http://picasaweb.google.com/jlwiner/BMCTrailfox/photo#5194470838014777202"><img src="http://lh6.ggpht.com/jlwiner/SBZ3tKf_F3I/AAAAAAAACnA/Sim5LLm8wNU/s800/IMG_0082.JPG" /></a>
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  2. #2
    Brackish
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    Wow, I like the look of all these BMCs getting built up! My true AM dream machine is coming in to focus...

  3. #3
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    great looking bike

  4. #4
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    Looking titZ!!!!!!!!!!!!
    Another sweet BMC.
    I'm glad i built mine up, its been a dream everytime I ride.
    Look, whatever happens, don't fight the mountain.

  5. #5
    Still a child inside...
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    VERY nice build

  6. #6
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    Nice Build VooDoo!!

    Here is my version with the new '08 paint....

    * Frame Size & Color: BMC Trailfox 02 21"- Goldorange/Jet Black
    * Fork: Pike 454 20mmTA (extra firm coil, i'm 225#)
    * Brakes: Avid BB-7 8" rotors
    * Cranks: FSA Carbon
    * Front Derailleur: X-9
    * Rear Derailleur: X-9
    * Pedals: Crank Bros. Candy SL
    * Stem: Thomson elite
    * Handlebar: Easton Monkey Lite Carbon
    * Seatpost: Crank Bros. Joplin
    * Saddle: WTB Speedster V
    * Bottom Bracket: FSA Carbon
    * Cassette: X-9
    * Headset: Integrated
    * Grips: ODI
    * Front Tire: Kenda Blue Groove DTC
    * Front Rim: DT Swiss EX 5.1D
    * Front Hub/Skewer: DT Swiss 340 20mm
    * Rear Tire: Kenda Blue Groove DTC
    * Rear Rim: DT Swiss EX 5.1D
    * Rear Hub/Skewer: DT Swiss 340
    * Weight: 30 lbs.
    Attached Images Attached Images

  7. #7
    Dirt Deviant
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    Thats sick!!!!
    Those easton bars couldn't possibly match the color sceme any better!!!!!!
    Sweet.
    Look, whatever happens, don't fight the mountain.

  8. #8
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    Hey mate, nice build.
    I have the same model and it is a great bike, have had to spend more time and money on getting it right from out of the box but its worth it.
    My biggest recommendation? Fox rear shock, the Ario is below par and you'll struggle to get full travel out of it.
    Im running a Shimano front derailleur on mine and to anyone building up a fourstroke or trailfox, be wary, the clearance on the cage is tight with the chainstay- mine ended up contacting at full travel, so now im on the hunt for a sram front derailleur that has a shorter cage.
    Otherwise, enjoy!
    Wil

  9. #9
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    I can't comment on the Ario, but I have a 'pushed' Fox shock on another BMC that I bent the frame in a crash, so I ordered the new bike with the DT swiss, and now the Fox is on ebay. The DT is super plush and smooth and has a full lock-out.... i'm loving the thing.

  10. #10
    Brackish
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    Very nice build, loving the orange.

  11. #11
    hithard
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    What do you think of the Rock Shock Pike 454 Air U-Turn? Any Good?

  12. #12
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    I don't know... I have the coil spring version of the Pike with the extra-firm spring installed, and it is very plush, it uses its travel well but doesn't bottom out. The Air version is probably more adjustable, but i'm happy with the coil and I don't really want to deal with air adjustments. The pike is a great all around all-mountain fork for a 5" bike IMO.

  13. #13
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    Yo, I'm torn between building a trailfox and a fourstroke. I'd use if for XC, with a few small jumps/drops (>4 feet). Mostly where I ride it's logs and rock gardens on tight trails. Which should I go for?

  14. #14
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    If you can afford the Fourstroke 02 which uses the same beefed-up frame as the Supertrail, I would buy that for a nice XC/Trail bike. I was going to, but the frames aren't available until mid-June. I ride very similar to the same terrain as you, and I am really liking this Trailfox, and it is good for minor drops.

  15. #15
    "El Whatever"
    Reputation: Warp's Avatar
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    Quote Originally Posted by lou_b_83
    What do you think of the Rock Shock Pike 454 Air U-Turn? Any Good?
    You kidding??

    Heck it is good!!

    Actually, I think it's a reference in its class.
    Check my Site

  16. #16
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    What do you guys think are good options for a fork on this bike?
    I'm looking at the Rock Shox Revelation 426 Air U-Turn (100-130) w/ Pushlock

  17. #17
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    Quote Originally Posted by v22osprey
    What do you guys think are good options for a fork on this bike?
    I'm looking at the Rock Shox Revelation 426 Air U-Turn (100-130) w/ Pushlock
    Very good fork for the BMC Trailfox!

  18. #18
    attending to my vices
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    is it just me or do these BMC's have really steep head angles? Every picture I see they look like 70+degrees at least. Otherwise it looks fantastic.
    OVER THE LINE SMOKEY!

  19. #19
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    Quote Originally Posted by moshelove
    is it just me or do these BMC's have really steep head angles? Every picture I see they look like 70+degrees at least. Otherwise it looks fantastic.
    The head angle is 71 degrees. I didn't really notice the change in geometry when I switched from my Stumpjumper, only that the BMC climbs better. I don't really know the reason for the steep head angle....

  20. #20
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    Quote Originally Posted by Overthebars
    The head angle is 71 degrees. I didn't really notice the change in geometry when I switched from my Stumpjumper, only that the BMC climbs better. I don't really know the reason for the steep head angle....
    You must live where its flat. 71 degrees wouldn't cut it here.

  21. #21
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    Quote Originally Posted by jetta_mike
    You must live where its flat. 71 degrees wouldn't cut it here.
    LOL.... yeah its pretty flat in Idaho And the BMC's are designed in Switzerland, i'm sure its flat there too....

  22. #22
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    This is a stupid question I know but...

    What effect on the climbing/handling does the head tube angle and seat tube angle have?

  23. #23
    "El Whatever"
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    Quote Originally Posted by v22osprey
    This is a stupid question I know but...

    What effect on the climbing/handling does the head tube angle and seat tube angle have?
    For climbing, the seat angle determines our position relative to the crank and hence proper power transfer to the pedals. 72-73 is the "norm".

    When climbing, I'm not sure how head angle works... I think chainstay length and seat angle have more importance when climbing. Not that head angle doesn't matter, though.
    Check my Site

  24. #24
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    Quote Originally Posted by v22osprey
    This is a stupid question I know but...

    What effect on the climbing/handling does the head tube angle and seat tube angle have?
    One additional thing about slacker seat tube angles is that dropping your saddle for descents becomes more effective, because it moves further forward and out of the way.

    Steeper head tube angles (XC racing bikes are usually around 71 to 73 deg) make steering quicker. Slacker head tube angles provide for more confident descending because steering is slowed and more stable.

  25. #25
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    With all the questions I'm asking, It's a miracle I even know how to ride...

    How do you figure out what stem length and how much setback for the seatpost to use when you're starting from scratch?

  26. #26
    "El Whatever"
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    Quote Originally Posted by v22osprey
    With all the questions I'm asking, It's a miracle I even know how to ride...

    How do you figure out what stem length and how much setback for the seatpost to use when you're starting from scratch?

    Two methods...

    1) An external bike fitter (your shop or some dedicated bike fitters). BY making body measurements and such.

    2) By comparison... Say, you have your older bike and you want something in particular. Like wanting a longer cockpit or a more upright position. Then you compare how much your bike measures against a potential or new bike. Then make the adjustments.

    I'm a bit against setback posts as they effectively slacken your seat angle (the point where your saddle is relative to the bottom bracket)... But for some, that's the only way to get the proper pedaling position over the cranks.
    Check my Site

  27. #27
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    So if I want to build up a bike to feel very XC bike stretched and turn tighter, do I go with a setback seatpost or straight?

  28. #28
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    Nice build to you too Over the bars! I freaking love orange bikes, Im thankful for the bit of orange on mine
    : )

    Lets trade cranks.

  29. #29
    Flying Goat
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    Quote Originally Posted by savagemann
    Thats sick!!!!
    Those easton bars couldn't possibly match the color sceme any better!!!!!!
    Sweet.
    yes they could... XD


  30. #30
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    I'm getting a trailfox 2.0. Being 5' 11'' would a 19'' fit well?? - (I have a good deal on a 19'')

  31. #31
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    Quote Originally Posted by ZIPPYZOOM
    I'm getting a trailfox 2.0. Being 5' 11'' would a 19'' fit well?? - (I have a good deal on a 19'')
    The stand over height is fairly tall, so why not...

    My buddy is 6'-0" and he rides a 19". I'm 6'-4" and ride the 21"

  32. #32
    The White Jeff W
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    Bumped this thread just because that's a gorgeous bike.
    No moss...

  33. #33
    Fartographer
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    Headtube angle

    Quote Originally Posted by moshelove
    is it just me or do these BMC's have really steep head angles? Every picture I see they look like 70+degrees at least. Otherwise it looks fantastic.
    I was gonna say the same thing. That looks like an XC bike to me. I want a minimum 68-degree headtube angle so I can pin it on the downhill. Of course, with the Bionicon, I've got a 68-degree headtube for the down hill and 73 for the climbs.

    That is a sweet-looking bike though. Just looks kinda twitchy for my taste.
    Back of the camera, back of the pack.

  34. #34
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    Thanks for the bump!

    Here is my quick review.

    I've ridden it on some flat **** back in Michigan, it was obviously overkill but VERY fun!

    Out here in the front range, I've ridden Winter Park - both XC and lift serviced, Nederland, and Hall Ranch. The techy portion of Hall Ranch KILLED me, but that was more man than machine.

    Love the bike, can't wait for my Crossmax ST 20mm's to come in, then she'll be under 30lb...

    Keep riding.

  35. #35
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    just wanna share my friend's TrailFox02...i sold him this frame and someone was kind enough to bring it to Dubai
    I appreciate his color combination to complement the frame
    Presenting the 2008 BMC TrailFox02









    11.24kg at present

  36. #36
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    Very nice build...congrats to your friend!

  37. #37
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    Quote Originally Posted by Overthebars
    Very nice build...congrats to your friend!
    thanks

    you should see his other bikes they are amazing

  38. #38
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    That crank looks sick.

  39. #39
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    '07 Trailfox 2, how light?

    I'm thinking about getting a '07 Trailfox 2 from Jenson. I was just wondering how light I can build it up. I'm thinking of moving over components from my sub-22lb hardtail:
    fork: I have a pike 454 with an extrafirm coil (will eventually get a lighter 32 Talas later)
    easton xc-one wheelset
    raceface deus xc crankset with eggbeater sl pedals
    kenda karmas front and rear
    stan's tubeless
    PG-980 11-34 cassette
    thompson elite post
    wtb devo saddle
    avid juicy 5's
    xt front and rear deraileurs
    xt shifters
    monkeylite sl handlebar
    easton ea70 stem
    esi chunky grips
    pc-991 chain

  40. #40
    plasma donor
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    Quote Originally Posted by v22osprey
    So if I want to build up a bike to feel very XC bike stretched and turn tighter, do I go with a setback seatpost or straight?

    It's a combination of things to consider for fit and ride characteristics. My Trek is a 17" frame rigid XC build. The 17" size is actually kinda small for me, but I compensate with a longer stem and would probably be more comfortable with a layback, but I don't use one. It's a steep headtube angle as well. This makes the standover low, and the steering very responsive. It also climbs like a goat. Tradeoff is that it gets nervous at high speeds. I don't do 40+ mph descents with this bike, but it will climb and carve with the best.

    My Giant is a 19" frame, with a 100mm travel fork. Much slacker headtube, and the frame is a better fit for me at 5' 11". This bike doesn't get nervous at speed at all. Trade off is that if feels like a pig in the corners, and pulls the front up on climbs my Trek will do all day long. Inverting my stem helped a little, but it still takes more effort to carve the twisties with this bike. Definitely more geared towards all mountain than XC.

    The layback seat would give a better power stroke, especially on the smaller frame, but I stay away from layback for 2 reasons. First, by the time I need that power, I'm climbing something too steep to remain seated for. Second, on descents and jumps, it's harder to go back behind the seat.

    So basically, the layback seat will extend your cockpit, but it extends your weight further over the rear. If you're comfortable with it, it's great, as climbs where you would bring the front up, you'll be standing already anyways. The longer stem actually ballances out steeper headtubes. A slacker headtube angle means you can use a shorter stem without getting twitchy. This saves weight and increases rigidity, both good.

  41. #41
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    Awesome looking bike man!

    I have a few questions about these frames though because i'm about to order one myself here in the next few days.

    I'm having trouble making a decsion on a framesize, i'm 6'3 currently riding a 21" hardtail but i feel like i'm riding a horse and i only have between 3" to 4" of standover heigh. So i'd like to get some opinions on if i should go with the 19" or 21"?

    Also do the rear dropouts on this frame accept regular quick-release axels or do I need a through axel rear hub?

    Thanks for the help...

  42. #42
    plasma donor
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    Quote Originally Posted by hcole623
    Awesome looking bike man!

    I have a few questions about these frames though because i'm about to order one myself here in the next few days.

    I'm having trouble making a decsion on a framesize, i'm 6'3 currently riding a 21" hardtail but i feel like i'm riding a horse and i only have between 3" to 4" of standover heigh. So i'd like to get some opinions on if i should go with the 19" or 21"?

    Also do the rear dropouts on this frame accept regular quick-release axels or do I need a through axel rear hub?

    Thanks for the help...

    I'd go with a 19. I am 5'11, and I run both a 19" and a 17". The 17" is just a litle more fun and easier to control.

  43. #43
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    Is there any information posted on standover heights of the various frame sizes? I'm wanting to pick one of these up, but cannot find the standover height anywhere...

  44. #44
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    Is it really 71 headangle?? Everywhere I read it says 69. But it looks really steep..
    Quote Originally Posted by Curmy
    Carbon is a fad.
    Quote Originally Posted by robicycle
    Just lube your ass with asscream and ride for how long you want.

  45. #45
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    My paperwork shows 69... maybe too steep for serious downhill, but the bike works just fine for all-mountain, trail riding... etc. IMO.

  46. #46
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  47. #47
    low speed, high drag
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    Quote Originally Posted by longcat
    Is it really 71 headangle?? Everywhere I read it says 69. But it looks really steep..
    Yes, the 07 has a 71 degree HT angle. The bike works with a 140mm fork though, which would slacken it out to about 69.5-70 degrees. Not exactly sure. If that's too much travel for you, a headset externalizer would help. http://enduroforkseals.com/id178.html Pretty sure it's compatible

  48. #48
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    Quote Originally Posted by Ouroboros
    Yes, the 07 has a 71 degree HT angle. The bike works with a 140mm fork though, which would slacken it out to about 69.5-70 degrees. Not exactly sure. If that's too much travel for you, a headset externalizer would help. http://enduroforkseals.com/id178.html Pretty sure it's compatible

    I am using Enduroforks headset externalizer on my 2007 Trailfox. It adds 15mm which slakens the head angle about 3/4 of a degree. Works great. With the externalizer and a 130 mm suspension fork the head angle goes from 71 to just below 70 degrees.

  49. #49
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    the steeper the head angle is, the quicker the bike is going to steer...for downhills a slacker head angle is more preferable because it will have a more stable feel

  50. #50
    retrogroucho
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    bmc frames are farkin gorgeous. I'm proud to say I now work at a shop that sells bmc. half price frames! lol

    Meyrick the TF you posted takes the cake for sexiest colorway. I dig it!

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