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  1. #101
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    Like the Schlick Cycles Northpaw, what's the tubing??

  2. #102
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    Quote Originally Posted by Nothing's impossible View Post
    NVPatthy,
    untill I turned my sandman into a 29'er the heaviest 29'er in the wide area was 12,5 kg or 27,5lbs
    I guess that the hoggar with arch rims and slant 6 tires and lots of latex will stay under 30 lbs, with
    I must add that most bikes around here are still 26'ers, it are the more ambitious guys that go for the 29'er first. On the other hand, my 11 kg 26'er fully is certainly not the lightest bike around either.
    any pics of a 29er thats 20lbs or less??

  3. #103
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    i do not take a lot of pics,
    but here: houffalize MTB - YouTube There were 3 under 20 lbs 29'ers and the most heavy one from the hood!

    Go to a specialised, merida or cannondale dealer and ask for a light 29'er, and then you can start changin parts!

  4. #104
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    Quote Originally Posted by Volsung View Post
    I had my Moonlander weighing in at just under 29.5 today... with cyclocross wheels. I rode it out of the house then turned around because I felt stupid.
    More stupid than riding a clown bike? (Which is what my girlfriend calls my fatbike)

  5. #105
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    Quote Originally Posted by nvphatty View Post
    any pics of a 29er thats 20lbs or less??
    Here's one:
    Pro Bike: Jeremiah Bishop's Cannondale Flash Carbon 29er - BikeRadar

    The 26" version of this was under 18 lbs. in stock trim. Listed for $9600!

  6. #106
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    Quote Originally Posted by SmooveP View Post
    Here's one:
    Pro Bike: Jeremiah Bishop's Cannondale Flash Carbon 29er - BikeRadar

    The 26" version of this was under 18 lbs. in stock trim. Listed for $9600!
    My damn roadie is 18lbs for fugg sakes man!! As i suspected a 29er HT at or below 20lbs is obtainable but very very rare as the cost for the vast majority is prohibitively painful.

  7. #107
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    Quote Originally Posted by rockcrusher View Post
    I would like to build a Marge lite to a Paul WHUB with DT competition.
    my build except W tubes.

  8. #108
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    Quote Originally Posted by nvphatty View Post
    any pics of a 29er thats 20lbs or less??
    Heres my One9, 7.66kg or 16.88lb. I run racing ralphs on it usually but fitted these freds up for a weigh in. My fatty is DOUBLE the weight of this at 33.5lb



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  9. #109
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    Quote Originally Posted by ozzybmx View Post
    Heres my One9, 7.66kg or 16.88lb. I run racing ralphs on it usually but fitted these freds up for a weigh in. My fatty is DOUBLE the weight of this at 33.5lb
    i should have specified HT with squishy front even if you had a squishy front it may still be right at 20lbs.

  10. #110
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    Quote Originally Posted by nvphatty View Post
    any pics of a 29er thats 20lbs or less??
    18lbs - 18 lb niner single speed a9c w lefty

    14.8lbs - Dream Bike: Sebastian Roth's Cannondale Flash 29

    With enough money, a knowledgeable bike nut can do just about anything

    With the current frame, crankset and wheel/tire selections, I bet someone could build a sub 20lb fatbike. Now somebody just has to do it!

  11. #111
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    Quote Originally Posted by DFYFZX View Post
    18lbs - 18 lb niner single speed a9c w lefty

    14.8lbs - Dream Bike: Sebastian Roth's Cannondale Flash 29

    With enough money, a knowledgeable bike nut can do just about anything

    With the current frame, crankset and wheel/tire selections, I bet someone could build a sub 20lb fatbike. Now somebody just has to do it!
    Oh i agree cash is king. A sub 20lb fattie would be quite spendy just like these 29ers people are posting links for cost 6,8 10k thats not the norm and most likely within the 10% grp. It would take a CF frame/fork/wheels and SS to get a fattie close to 20lbs.

  12. #112
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    Quote Originally Posted by nvphatty View Post
    It would take a CF frame/fork/wheels and SS to get a fattie close to 20lbs.
    Yeah and i reckon it would only be close too. The wheels are the killer but thats what the bike is all about
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  13. #113
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    ^ There's no reason why someone coudn't build CF fat bike frames and rims, and in fact CF would probably be better for the wheels if anything, as light, stiff and not much pressure to retain, plus little chance of bottoming the tyres out and cracking the rim flanges. I doubt there's enough demand to justify the mould costs though, especially for a frame, but no reason why a carbon tube frame couldn't work; Drew Diller built one from bamboo and put up pics in a thread here.

    I doubt that more than say ~500g could be shaved off the frame compared to what's out there now, and maybe another 200g or so (depending on width) off each of the rims. Call it 1kg. Hmmm...

  14. #114
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    Quote Originally Posted by DFYFZX View Post
    You'd have to build with some STUPID weight weenie parts and the rough math in my head is still coming out high 21, maybe low 22lb. I agree with the sentiment, "why"? They are fatbikes after all I don't see a problem building one weight conscious and getting to 23-24lb range but why would anyone want the lightest fatbike that basically would crumble if used as intended? I think we will have to weight a couple years for the carbon components to come flowing in before we see sub 20lbs OR a 20lber that can actually be abused in the elements.
    agree with your sentiments

  15. #115
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    There's a 13lb Niner Air9 Carbon floating around out there. User MATTKOCK if I remember right. You'd have to build with some STUPID weight weenie parts and the rough math in my head is still coming out high 21, maybe low 22lb. I agree with the sentiment, "why"? They are fatbikes after all I don't see a problem building one weight conscious and getting to 23-24lb range but why would anyone want the lightest fatbike that basically would crumble if used as intended? I think we will have to weight a couple years for the carbon components to come flowing in before we see sub 20lbs OR a 20lber that can actually be abused in the elements.

    Wouldn't sand wreak havoc on carbon?

  16. #116
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    While on the subject of weight, what does the 18inch, RAW, $2300, "Deluxe" Fatback complete bike weigh bone stock? Just curious how light I could get it with the ole parts bin

  17. #117
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    Quote Originally Posted by DFYFZX View Post
    While on the subject of weight, what does the 18inch, RAW, $2300, "Deluxe" Fatback complete bike weigh bone stock? Just curious how light I could get it with the ole parts bin
    therein lies the challenge.

  18. #118
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    trouble is with fatbikes, youve got about what 4-5 lbs in tyres, thats a large percentage of a 20 lb bike

    and I assume we would be talking singlespeed

  19. #119
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    dead10 and I chatted about building a carbon frame, which should be a fun thing to do. But it's not like that'd be a production solution, and my current project isn't done yet, to say the least.

    I can see the appeal of a light fattie for certain trails, but not everything. A buddy finished a Ti Mukluk and put light weight stuff on it in SS mode - I'd say less than 25 pounds, as a guess. The thing felt like a sprite, for a fat bike. And for the trail that that guy actually stewards, it's perfect.
    Disclaimer: I run Regular Cycles (as of 2016). As a profiteer of the bicycle industry, I am not to be taken very seriously.

  20. #120
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    For the trail riding where it pays off to take the fat tires, I wouldn't dare to go weight weenie!
    The thing about lightweigt stuff is that, in general, these things desintegrate if I use them.

    For a beach or snowride a weight weenie fatbike with fixed front, no adjustable seatpost, lightweight components would be ok I guess.

  21. #121
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    I think there are three questions here:

    1. What's the lightest bike that can be built?
    2. What's the lightest *practical* bike that can be built?
    3. How much money are people prepared to throw at it to save not much weght?

    The answers to questions 1 & 3 are likely to be quite different to #2, which is where I"d be going.

  22. #122
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    Quote Originally Posted by cozz View Post
    trouble is with fatbikes, youve got about what 4-5 lbs in tyres, thats a large percentage of a 20 lb bike

    and I assume we would be talking singlespeed
    Whats the lightest 170/135 hubset ?

    If we went
    Hopes F&R = 250+349
    Supercomp+nipples x 64 = 340ish
    Marge Lites = 690 x 2
    Larry ultralites = 1200 x 2
    Total = 4719g for a fat wheelset without valves or rimstrips.

    So with tubeless sealant, valves and rim strips its a ballpark of 5kg (11lb) for the wheels alone

    With a frame and forks coming in at approx 2.5kg thats leaving 1.5kg for everything else.

    20lbs = 9072g
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  23. #123
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    Here's what can be done with light but not stupid light parts. It is a couple of generations old probably won't fit BFL's on 100's but it still works for me.
    Attached Thumbnails Attached Thumbnails Lightest Fatbike-p1020693-1-.jpg  

    Lightest Fatbike-p1020694-1-.jpg  

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  24. #124
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    Quote Originally Posted by sryanak View Post
    Here's what can be done with light but not stupid light parts. It is a couple of generations old probably won't fit BFL's on 100's but it still works for me.
    It is Ti yes?? pretty impressive given a fully geared with mech stoppers etc.

  25. #125
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    Quote Originally Posted by nvphatty View Post
    It is Ti yes?? pretty impressive given a fully geared with mech stoppers etc.
    Ti it is. Basically it's the same frame as Thirsty posted early in this thread. Mine is 3# heavier but a little more user friendly since it has pedals, front brake, bar ends, etc. Also this is summer trim with light rims. Winter setup adds a pound to a pound and a half.
    Latitude 61

  26. #126
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    Quote Originally Posted by ozzybmx View Post
    Whats the lightest 170/135 hubset ?

    If we went
    Hopes F&R = 250+349
    Supercomp+nipples x 64 = 340ish
    Marge Lites = 690 x 2
    Larry ultralites = 1200 x 2
    Total = 4719g for a fat wheelset without valves or rimstrips.

    So with tubeless sealant, valves and rim strips its a ballpark of 5kg (11lb) for the wheels alone

    With a frame and forks coming in at approx 2.5kg thats leaving 1.5kg for everything else.

    20lbs = 9072g
    Yup. I spent a fair amount on getting my bike (Ti Twenty2) light - carbon fork, handlebars, e13 cranks, pretty light everything else, and it's still 29 lbs. I could go to lighter seat & post, Marge Lites, etc., and get to maybe 27 lbs without compromising rideability or durability. I also wouldn't cut back on gearing to anything less than a 2x9.

    One of the main tricks Cannondale and others use to get the weight down is to spec super light, but useless (IMHO) tires like Racing Ralphs. 1200G for a 3.8 tire seems pretty light when you consider it has around 3 times the surface area over a normal tire.

    Having said all this, 29 lbs feels downright feathery next to my 38 lb Pugsley

  27. #127
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    Quote Originally Posted by sryanak View Post
    Here's what can be done with light but not stupid light parts. It is a couple of generations old probably won't fit BFL's on 100's but it still works for me.
    Funny, I was still typing up my post when you posted this. Nice build! How's that fork feel? Is it lighter than a Snowpack?

  28. #128
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    I reckon a super light build would have to have Hayes Stroker Gram brakes not BB7's.
    Last edited by AC/BC; 05-14-2012 at 11:50 AM.

  29. #129
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    Quote Originally Posted by AC/BC View Post
    I reckon a super light build would have to have Hayes Stroker Gram brakes not BB7's.
    i'll have stroker trails on mine is this acceptable for weight weenie status??

  30. #130
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    Quote Originally Posted by SmooveP View Post
    Funny, I was still typing up my post when you posted this. Nice build! How's that fork feel? Is it lighter than a Snowpack?
    The Ti fork is pretty flexy. I like it but some people don't. It does feel to me like a sort of poor mans suspension, especially when combined with the tires. It purportedly weighs about 775 grams but I have not weighed it.

    The bike is an ever evolving project that I get to ride. What could be better than that? Next up a pair of Husker Du tires.
    Attached Thumbnails Attached Thumbnails Lightest Fatbike-p1000448-1-.jpg  

    Latitude 61

  31. #131
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    Quote Originally Posted by nvphatty View Post
    i'll have stroker trails on mine is this acceptable for weight weenie status??
    I think the plain jane Stroker is about as heavy as the BB7's but the Stroker Gram is where it's at

  32. #132
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    Why Stroker Gram for weight weenie brakes? You a Hayes fan, or something? There's lots of brake systems out there that are quite a bit lighter

  33. #133
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    Don't assume the Snowpack isn't "flexy". I put one on my bike and it seems to move about 3/4" fore and aft when stopping on the street. Didn't take long for me to notice that. A good friend who is a pretty skilled rider noticed the flex in just a few minutes without prompting.

    I don't know how that compares to the original Salsa Enabler, but I never even thought about flex on the bike with the orginal fork.

    No complaints about the handling with the fork, as torsional stiffness seems fine.

  34. #134
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    ^ Fore/aft flex is one of those things which usually desn't matter (for non-suspension forks) but which some people find disconcerting, depending on what they have ridden before. For instance, raked steel road forks typically flex noticeably under heavy braking, whereas straight bladed carbon ones do not. Some people find the flex scary, but to others it's normal and proof the fork is working as intended.

    When cornering, it's lateral stiffness that matters most, not torsional. Torsional stiffness is typically only important when you are trying to turn the bars in one direction and something is resisting, like say thick mud,

  35. #135
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    [QUOTE=nvphatty;9303329]My damn roadie is 18lbs for fugg sakes man!! As i suspected a 29er HT at or below 20lbs is obtainable but very very rare as the cost for the vast majority is prohibitively painful

  36. #136
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    Been waiting a while to post here. 25.9 lbs as photoed, including a whole lot of extra steer tube sticking out. Going to install a Carver Carbon O'Beast fork as soon as they are available again, but also switch to alt bars, so the weight should stick around 26lbs for the final build. I'd like to point out this is a geared bike (2x10) with 80mm rims.
    Lightest Fatbike-imageuploadedbytapatalk1356676627.442947.jpg
    Lightest Fatbike-imageuploadedbytapatalk1356676660.733586.jpg
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  37. #137
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    Hey, that's cheating- no front brake! Nice looking BG. Mine should be rolling in a week. I'm shooting for 27, but it will be 3x10 with front and rear brakes (Avid Elixers).

  38. #138
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    Nice bike. Going to put a front brake on it?
    I see hills.

    I want to climb them.

  39. #139
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    Beaten to the punch
    I see hills.

    I want to climb them.

  40. #140
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    Here´s mine... 12.6kg / 27.7lbs


  41. #141
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    So ride it fixed, so you only need 1 brake and can loose the gears, carbon forks and jobs a good 'un...

  42. #142
    viva la v-brakes!
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    Quote Originally Posted by Stevob View Post
    Nice bike. Going to put a front brake on it?
    Nope. I've put about 50 snow miles on it so far and feel no need for it. The snow is a pretty good front brake.
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  43. #143
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    Quote Originally Posted by FishMan473 View Post
    Nope. I've put about 50 snow miles on it so far and feel no need for it. The snow is a pretty good front brake.
    You must live where it's pretty flat, I've found on hilly slippery single track my front brake is my friend. Hey but very nice looking bike and a great job done on it.

  44. #144
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    Double post.
    Last edited by bdundee; 12-28-2012 at 07:23 AM.

  45. #145
    viva la v-brakes!
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    Quote Originally Posted by bdundee View Post
    You must live where it's pretty flat, I've found on hilly slippery single track my front brake is my friend. Hey but very nice looking bike and a great job done on it.
    Not at all. I was out on some steep, twisty snowmobile trails on Wednesday and I found that I needed a rear brake less than I thought. I slowed down more than I needed to going into it, the fatties carve pretty well in the snow. The singletrack around here is still snowed in though from the storm last week, so sure, those conditions have yet to be tested. I do have a brake and lever set aside if I need it, but so far not feeling the need.
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  46. #146
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    Quote Originally Posted by FishMan473 View Post
    Not at all. I was out on some steep, twisty snowmobile trails on Wednesday and I found that I needed a rear brake less than I thought. I slowed down more than I needed to going into it, the fatties carve pretty well in the snow. The singletrack around here is still snowed in though from the storm last week, so sure, those conditions have yet to be tested. I do have a brake and lever set aside if I need it, but so far not feeling the need.
    Wait until those trails set up hard and you are bombing down a steep hill with your rear brake locked up and the bike just feels like it is still accelerating, I bet you will be wishing the brake in the box was on the bike. Trial and error really is the best way to figure out some of this stuff though, since asking on the forum just gets a bunch of wildly different answers.
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  47. #147
    viva la v-brakes!
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    If I do decide I want a front brake, I have already worked out a way I can install and pull off a front brake pretty quickly. I'm going to set up the lever clamp with a hing so I don't have to pull the grips off. So if and when it comes to it, it would only be a 15 minute effort to install/remove it. I'll work it out after the Triple-D. For race day I'll want to save the weight. Maybe I'll want brakes for playing around on singletrack later in the winter. Either way, a 26 pound fat bike or a 27 pound fat bike is plenty light, I just wanted to avoid having a 30+ pound porker. EDIT: Mission Accomplished.
    Last edited by FishMan473; 12-28-2012 at 10:13 AM.
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  48. #148
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    Quote Originally Posted by sryanak View Post
    Wait until those trails set up hard and you are bombing down a steep hill with your rear brake locked up and the bike just feels like it is still accelerating, I bet you will be wishing the brake in the box was on the bike. Trial and error really is the best way to figure out some of this stuff though, since asking on the forum just gets a bunch of wildly different answers.
    ^^^^Yeah what he said!^^! Plus I've had hydros and bb7's ice up where they don't have the power they should. I've even used my bike as a crutch on climbs to steep and icy to walk up by keeping it next to me grabbing both brakes and using it for stability. I don't mean to be rude but skimping on brakes in Wi winters is not a good idea.

  49. #149
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    Quote Originally Posted by FishMan473 View Post
    If I do decide I want a front brake, I have already worked out a way I can install and pull off a front brake pretty quickly. <snip>
    Fair enough, but if you're going to run one brake, why not make it the front? It has more stopping power... and... since this is a bit of a weenie thread...lighter than the rear.

    Honest question.

    g

  50. #150
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    Quote Originally Posted by gregclimbs View Post
    Fair enough, but if you're going to run one brake, why not make it the front? ...
    Or a fixie?

    (I've thought of trying fixed, but I still need brakes on my fixed wheel off road)
    As little bike as possible, as silent as possible.
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