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  1. #1
    mtbr member
    Join Date
    May 2012

    Need feedback on my components list for budget WW build, need to drop 1.3lbs

    So I started off building my light rigid HT bike with lofty goals. I wanted to keep the bike as light as possible without going overboard. My goal was to keep my cost at less than $1000, only buy new parts (if possible), and to see if I could get it at or below 20lbs. As you can see from the table of parts below, I'm still short of my target bike weight, and I still need a fork (I asked in another thread here about fork ideas). I decided to go 1x10, and I tried not to skimp on the mech (all new XT except for the shifter), and the only thing I've bought so far that is carbon is my bar.

    I'm looking for any feedback on other parts that may help me get the bike below 20lbs without spending crazy money. The biggest opportunity I have is for wheels, as the set I got are pretty heavy, but beyond that I can't think of any other cheap/inexpensive alternatives to what I already have. I'm not interested in a carbon seat (need some padding), but interested in any other suggestions you all might have.

    (note that approx. cable weights are included with brakes and mech weights)

    Part Model Price Weight (g)
    Frame Giant XTC 2 (small) $145 1490g
    Fork ? ? 750g?
    Headset Cane Creek $0 52.6g
    Top Cap Giant Carbon OEM $0 15g
    Stem Marin XM 70mm $9.97 117.7g
    Handlebar Syncros Carbon AM 690mm $41 185.6g
    Grips Bontrager Race XXX Lite $10 12g
    Saddle WTB Silverado Pro $49 230g
    Seat Post Thomson Elite 30.9mm $35 215.6g
    Seat Binder Giant OEM $0 23.7g
    Front Wheel Mavic XM119 w/XT M756 $50 1010g
    Rear Wheel Mavic XM119 w/XT M756 $50 1190g
    Skewers Stans QR $0 111g
    Tires Schwalbe Sammy Slick 2.1 $65 980g
    Tubes ? ? 250g?
    Front Brake Avid Elixir 1 $86.49 304g
    Front Rotor Avid HS1 160mm $0 98.3g
    Rear Brake Avid Elixir 1 $0 317g
    Rear Rotor Avid HS1 160mm $0 96.2g
    Rotor Bolts Avid T25 Rotor Bolts $0 23.6g
    Caliper Bolts Avid Caliper Bolts $0 23.3g
    Crank Arms SRAM Truvativ Firex 170mm $20 641g
    Chainring SRAM Truvativ Firex 32t $0 78.6g
    Bolts FSA $16.23 6.9g
    BB SRAM Truvativ GXP $22.5 127.4g
    Pedals Rockbros $16.2 355.5g
    Shifter Shimano SLX M660 (Rear) $19 140.3g
    Derailleur Shimano XT M780 (Rear) $55 229g
    Cassette Shimano XT M771 11-36 $60 337g
    Chain Shimano XT HG94 $35 280g
    Parts Totals $785.39 9691.3g (21.32lbs)
    Last edited by vikingshelmut; 04-22-2013 at 12:55 PM.

  2. #2
    mtbr member
    Join Date
    May 2012
    Ok I'll be the first to reply ;-)

    I just snagged a set of Sun Ringle Black Flag wheels (new) for $125. They weight in at around 1750 grams, so they are about 450 grams lighter than the used wheelset I had. Since I don't plan on using this bike for massive jumps or drops, and I'm still on a downward trend of losing weight, I don't anticipate the strength of these wheels being a problem.

    With the new wheels I think I'm somewhere around 143 grams shy of 20 pounds. Other than going to a carbon seatpost and/or saddle, I'm not sure what else I could do to cut some weight.

    I've wondered aloud about the Trigon forks which weigh in somewhere around 500g, which based on my placeholder 750 gram fork wight would put me below 20lbs, but I'm just not that sure about a carbon steerer fork.
    Last edited by vikingshelmut; 04-25-2013 at 11:27 AM.

  3. #3
    mtbr member
    Join Date
    Apr 2010
    It will start to get difficult once you're nearing the 20lb mark, but for a rigid, it should be fine.

    1) Seat post - KCNC Ti Pro Lite? That's around 160g - Savings ~ 50g
    2) Skewers - KCNC QR Skewers? Around 55g - Savings ~ 50g
    3) Tires - Rocket Rons are about 445g each, but tires are really a matter of needs/preference... These will help you get below the 20lbs mark for sure - Savings ~ 80g

    Other stuff will definitely cost more. However, if you get the right fork, I'm sure it wouldn't be a problem.

  4. #4
    mtbr member
    Join Date
    May 2012
    I ended up cheaping out on the fork and getting one of those Mosso aluminum forks from eBay. After cutting the steer tube I'm guessing it will weigh in at about 700 grams, and it was cheap enough that if I hate it I won't feel bad about scrapping it and going carbon from Exotic or someone else.

    I think at this point I'm going to hold off on replacing any parts until I get it completely built just so I know exactly how many extra grams I'll need to shave off to break the 20lb barrier.

  5. #5
    mtbr member
    Reputation: THE ARS's Avatar
    Join Date
    Sep 2011
    Geax Plumas are listed at 295g.

  6. #6
    mtbr member
    Join Date
    Jun 2008
    Pedals are kind of porky. Should be able to knock 50-100 grams off there. Cut your hair and shave your body.

  7. #7
    Reputation: phlegm's Avatar
    Join Date
    Jul 2006
    Quote Originally Posted by Yogii View Post
    Pedals are kind of porky. Should be able to knock 50-100 grams off there. Cut your hair and shave your body.
    Great point. I lost 4 lbs simply by shaving my groin area.

  8. #8
    mtbr member
    Join Date
    Jun 2009
    Quote Originally Posted by phlegm View Post
    Great point. I lost 4 lbs simply by shaving my groin area.
    thanks for the imagery

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