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  1. #2051
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    Jet 9 RDO size XL w/Lefty

    Haven't seen a light FS 29er posted up in a while so here's mine, 21.40 pounds. Everything is fully race-tested. Awaiting shipment of a carbon steerer that should put me within striking distance of 20.9#

    Niner Jet 9 RDO frame size XL
    Cannondale Lefty MAX Carbon fork, converted to 120mm
    SRAM XX1 grip shift with 36t ring
    Notubes ZTR Valor wheelset, rear rebuilt with stiffer spokes
    Schwalbe Thunder Burt Snakeskin tires, 2.1"
    Formula R1 brakes
    Race Face Next bar 725mm
    KCNC stem with replaced bolts, 90mm
    Enve seatpost, 400mm
    Specialized S-works cranks, 180mm
    Time ATAC XS Titan Carbon pedals
    ESI Racers edge grips
    Selle Italia SLR XC saddle
    King Ti bottle cage
    Project 321 Lefty steerer

    Post your light-weight bikes!-13260099_914361422019546_8114300686071886633_n.jpg

  2. #2052
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    Feeling a bit self conscious here lol


    Rebuilt my 2006 Haro n weighed it yesterday. Started at 33.5, n 1500 later it's 22.9. I thought I was doin good lol guess I need a better job? Hahaa

  3. #2053
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    Quote Originally Posted by JHouston View Post
    Feeling a bit self conscious here lol


    Rebuilt my 2006 Haro n weighed it yesterday. Started at 33.5, n 1500 later it's 22.9. I thought I was doin good lol guess I need a better job? Hahaa
    10 lbs for 1500usd does not sound bad. What were swapped parts?

    Sent from my SM-G930V using Tapatalk

  4. #2054
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    Quote Originally Posted by Frank Fields View Post
    10 lbs for 1500usd does not sound bad. What were swapped parts?

    Sent from my SM-G930V using Tapatalk
    Thx much! I guess i didnt think it was possible to get lower than 20 pounds and still be strong enough. Havent ridden in years, but everyday i learn ab something new or improved. Feel like i been away too long, must be getting old hahaa...

    So heres my build list... every part has been replaced and bought new, except my frame and seat post clamp.

    Frame 2006 Haro V-Series
    Fork Manitou R7
    Headset Cane Creek 40 Series EC-34

    Drivetrain
    Cranks XT M8000 165 mm / single 32T
    BB XT M800
    Chain XT M8000 HG-701
    Cassette XT M8000 11-40T 11 spd
    Derailleur XT M8000 med cage
    Shifter, cable XT M8000
    Pedals Wellgo C266

    Brake set
    Calipers XT M8000
    Levers XT M8000
    Rotors Ashima AiRotor 180mm / 160mm
    Rotor bolts Clarks red anodized

    Cockpit
    Handelbars Raceface Turbine riser
    Stem Raceface Turbine 70mm stem
    HS riser, cap Raceface
    Grips Raceface Half Nelson
    Seat Raceface Aeffect
    Seatpost Raceface Evolve
    Seatclamp *Oops moment. forgot ab it till assembly lol

    Wheel set
    Rims Stans ZTR Crest
    Hubs BWW Pure D400
    Spokes DT revolution
    QR Halo Porkies
    Tires Michelin Wild Rac'r Liteskin tubeless 26 x 2.25

  5. #2055
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    Quote Originally Posted by JHouston View Post
    Thx much! I guess i didnt think it was possible to get lower than 20 pounds and still be strong enough. Havent ridden in years, but everyday i learn ab something new or improved. Feel like i been away too long, must be getting old hahaa...

    So heres my build list... every part has been replaced and bought new, except my frame and seat post clamp.

    Frame 2006 Haro V-Series
    Fork Manitou R7
    Headset Cane Creek 40 Series EC-34

    Drivetrain
    Cranks XT M8000 165 mm / single 32T
    BB XT M800
    Chain XT M8000 HG-701
    Cassette XT M8000 11-40T 11 spd
    Derailleur XT M8000 med cage
    Shifter, cable XT M8000
    Pedals Wellgo C266

    Brake set
    Calipers XT M8000
    Levers XT M8000
    Rotors Ashima AiRotor 180mm / 160mm
    Rotor bolts Clarks red anodized

    Cockpit
    Handelbars Raceface Turbine riser
    Stem Raceface Turbine 70mm stem
    HS riser, cap Raceface
    Grips Raceface Half Nelson
    Seat Raceface Aeffect
    Seatpost Raceface Evolve
    Seatclamp *Oops moment. forgot ab it till assembly lol

    Wheel set
    Rims Stans ZTR Crest
    Hubs BWW Pure D400
    Spokes DT revolution
    QR Halo Porkies
    Tires Michelin Wild Rac'r Liteskin tubeless 26 x 2.25
    Wheelset price, weight, lead where to buy?

    Sent from my SM-G930V using Tapatalk

  6. #2056
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    Stan's ZTR Crest 26 Custom Build

    My set weighs 1500 grams w the D400 conv hubs. Cost me $325 w tape n valve stem installed. Very smooth, fast wheels, but havent quite got my bike totally dialed in, so anxious to see how it is out in the dirt still

  7. #2057
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    Carbon Rigid Singlespeed with 29er fork and disc brakes . Still more work to do - 11.1 lbs !!!
    Attached Thumbnails Attached Thumbnails Post your light-weight bikes!-dscn1198%5B1%5D.jpg  

    Last edited by karimian5; 06-11-2016 at 11:58 AM.

  8. #2058
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    Post your light-weight bikes!

    Quote Originally Posted by karimian5 View Post
    Carbon Rigid Singlespeed with 29er fork and disc brakes . Still more work to do - 11.1 lbs !!!
    Well one brake lever is quite irresponsible. Wishing you the best of luck on your rides!

  9. #2059
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    And 14 spokes in the rear...

  10. #2060
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    Both brakes are modulated . Wheels are solid and spokes highly tensioned . This is a true WW bike btw .

  11. #2061
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    Quote Originally Posted by karimian5 View Post
    Carbon Rigid Singlespeed with 29er fork and disc brakes . Still more work to do - 11.1 lbs !!!
    Seb, your insane! (And I mean that in the best way possible!) If you don't know this guy...he makes a lot of the stuff he uses. I've seen some really neat, and some crazy stuff come across his G+ page.
    The member formerly known as Redtires....

  12. #2062
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    Quote Originally Posted by karimian5 View Post
    Carbon Rigid Singlespeed with 29er fork and disc brakes . Still more work to do - 11.1 lbs !!!
    This is insane....

    Sent from my Nexus 5 using Tapatalk

  13. #2063
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    Well...despite the arguable project, he made it to bikerumor! congrats.
    Readers' Rides: Seb K's heavily modified 11.1 lb / 5.08 kg mountain bike! - Bikerumor

  14. #2064
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    I give the guy props for doing something "because it can be done". Great job. What distinguishes a MTB from a road or cyclocross bike though? I have seen numerous "rigid MTB's" with crazy low weight, so if I buy a road bike, place beefy tires on it and give it a flat bar handle bar is it a MTB? In the end, to each there own right? MTB is a very loosely used term these days.
    2015 Pivot Mach 4. XX1, Guide ultimate, NOX wheels, Next SL, KS LEV integra dropper. 24.56lbs

  15. #2065
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    Quote Originally Posted by gks333 View Post
    I give the guy props for doing something "because it can be done". Great job. What distinguishes a MTB from a road or cyclocross bike though? I have seen numerous "rigid MTB's" with crazy low weight, so if I buy a road bike, place beefy tires on it and give it a flat bar handle bar is it a MTB? In the end, to each there own right? MTB is a very loosely used term these days.
    Exactly. This bike would not last ten minutes on a trail. Oh you used half the spoke count? What a great idea!

    Yet I post up a 21.4lb race-tested XL FS 29er and get zero comments, lame.


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  16. #2066
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    New question here.

    The true is that we are all whining because of the thread title.

    I bet you this rideable bike below is lighter than ALL the bikes on this thread...and is still meeting the requirements to appear on this neck of the woods.

    interestingly also has a saddle...

    So I decided to create the following:
    Post your light-weight Hardtail MTB 27.5er or 29er with Dropper post!
    Post your light-weight FS MTB 27.5er or 29er with Dropper post!
    Post your light-weight Hardtail MTB, Rigid, 27.5er or 29er single speed!

  17. #2067
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    Eh...what the heck. I'll post up.

    Weight is 20.5lbs ready to ride (including bottle cage and Garmin mount) Not really weight weenie since I don't think I did anything real creative to really reduce weight. All off the shelf stuff with no exotic Euro boutique parts.

    Only weight I really remember is the weight of the frame at 1111gr. Only reason I remembered it is because it came out to all 1's. The fork is 1400 something grams. Can't recall the exact number.

    I'm #145 before gear.

    Post your light-weight bikes!-img_20160605_172004.jpg

  18. #2068
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    Nice work. I had a JET RDO at 24lb with SIDs and a few other heavier parts (XT cranks Chris King Hubs etc), but the Lefty seems to make a big difference.

    I still managed to win a few races on it - I was surprised how fast it rode for a duelly.
    Lapierre XR29ei, Chris King LB Carbon, XTR 1 X 10
    Planet X Dirty Harry
    Chiner 29er SS

  19. #2069
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    Thats light for the forks, I didn't realise Fox were so light. What model are they?

    I guess I may have to post my Chiner up too.

    Quote Originally Posted by RS VR6 View Post
    Eh...what the heck. I'll post up.

    Weight is 20.5lbs ready to ride (including bottle cage and Garmin mount) Not really weight weenie since I don't think I did anything real creative to really reduce weight. All off the shelf stuff with no exotic Euro boutique parts.

    Only weight I really remember is the weight of the frame at 1111gr. Only reason I remembered it is because it came out to all 1's. The fork is 1400 something grams. Can't recall the exact number.

    I'm #145 before gear.

    Click image for larger version. 

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    Lapierre XR29ei, Chris King LB Carbon, XTR 1 X 10
    Planet X Dirty Harry
    Chiner 29er SS

  20. #2070
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    19.5....dang this bike is like a DH bike compared to karimian's 11 pounder...but its a decent weight for a comfort/cx bike
    Attached Thumbnails Attached Thumbnails Post your light-weight bikes!-img_20160612_184706.jpg  

    Ride More, Eat More

  21. #2071
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    Quote Originally Posted by xcbarny View Post

    Thats light for the forks, I didn't realise Fox were so light. What model are they?

    I guess I may have to post my Chiner up too.
    Its a "Performance" level Fox. It's got the FIT cartridge, but no Kashima or Trail Adjust.

  22. #2072
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    8.45kg

    Skickat från min Nexus 6P via Tapatalk

  23. #2073
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    New weight with the new fox step cast.

    Post your light-weight bikes!-p1010269.jpg


    Post your light-weight bikes!-p1010268.jpg

  24. #2074
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    That KTM is looking sharp. It would be interesting to hear how everyone gets on with the new Fox forks.I haven't ridden anything that comes close to my old Magura Durin...

    I bet you this rideable bike below is lighter than ALL the bikes on this thread...and is still meeting the requirements to appear on this neck of the woods.
    The big difference between your picture and *that* one is the bike in your picture has been ridden

    I'm rebuilding my Chiner niner w/ XX1, Sids, dropper which should come in under 8.7kg ready to ride, and will post up when done

  25. #2075
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    Scott Scale 610

    A bit of an update on my Scott Scale 610

    Spec:

    Frame: Scott Scale 610 Carbon
    Fork: Rock Shox Sid RCT3
    Headset: Hope
    Wheels: Light Bicycle Carbon with DT Swiss 190 Hubs & MT Zoom Tubeless Valves
    Tyres: Schwalbe Rocket Ron Evo
    Group set: Shimano XTR M9000 Race with Absolute Black Oval 34t
    Pedals: XTR M9000 Race
    Bottom Bracket: Hope
    Seat Post: Smud Carbon 34.9x350
    Seat Clamp: KCNC
    Stem: New Ultimate Evo
    Stem Cap: Absolute Black
    Bars: New Ultimate Evo Carbon
    Grips: Lizzard Skins DSP
    Saddle: Selle San Marco Aspide Carbon FX Protek

    Weight as per image 8.23Kg (18.14 pounds)




    Post your light-weight bikes!-28080916914_b9832d4cb1_k.jpg

  26. #2076
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    Ok, final weight

    Post your light-weight bikes!-p1010279.jpg

    Post your light-weight bikes!-p1010281.jpg

    Post your light-weight bikes!-p1010283.jpg

    Post your light-weight bikes!-p1010284.jpg

    Post your light-weight bikes!-p1010285.jpg

  27. #2077
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    Storck Rebelion 1.1

    At 20.5 lbs. I would consider this lightweight for a 210 lbs. rider.....and you don't see too many of them
    Attached Thumbnails Attached Thumbnails Post your light-weight bikes!-storck-rebelion-1.1.jpg  


  28. #2078
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    Found a "NOS" 2013 Scott Scale 700RC Nino frame-only that I just completed the full build.

    Weighed in at 18.6lbs (8470g) in the config as you see but without pedals. Very stoked.

    Post your light-weight bikes!-img_3753%5B1%5D.jpg

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