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  1. #2101
    Formerly of Kent
    Reputation: Le Duke's Avatar
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    How do your ENVE XCs weigh 1900g???

    Mine are just under 1500g...


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  2. #2102
    chasing simplicity
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    Confused as well. Not sure I understand "extrapolate back." (I understand the term, just not how it's specifically applied here.) It almost seems like there might be double counting in there somewhere.
    I know what it's like to be dead.

  3. #2103
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    Quote Originally Posted by karimian5 View Post
    I tried to edit my above post so I don't keep posting but it won't let me . I am forbidden for some reason .

    Anyway the bike is now 4970rams !!!

    Still more to do .
    I want to see some footage of this bike going Down a trail.

  4. #2104
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    Quote Originally Posted by alexbn921 View Post
    I want to see some footage of this bike going Down a trail.
    You'll never see pictures of it outside, let alone a gravel road, smooth double track, or a rock strewn trail.

    Sent from my XT1585 using Tapatalk
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  5. #2105
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    Quote Originally Posted by phlegm View Post
    I was also surprised to see your wheel weights. Would be interested to see the raw scale numbers on those (sans rubber, sealant) whenever you happen to swap out tires.

    I think there's another 1/2 lb to even 1lb available to shed, but that depends on your budget. With reasonable selections to several components (rubber, saddle, bars, bolts, grips), the loss can add up. BTW, don't see any wheel hardware (axles) listed.

    Also, is there an adapter on your front rotor to obtain the 180mm? Can you get away with 160, and also drop the adapter?

    Lastly, after frame and wheels (including rubber), your next heaviest component percentage-wise is the dropper. I realize you like it, but that's >1 lb right there from stock Scalpel.
    The wheels, ready to ride, were 3.48 lbs and 4.56 lbs. I subtracted Schwalbe's listed tire weight, actual rotor and screw weights, 60g for sealant and rim strips, and the cassette weight from the rear wheel. The result was what's in the spreadsheet.

    EDIT: Schwalbe is full of crap. I just pulled apart the front wheel. After clearing out some gunk, I get 699g each for both the front wheel (excluding rotor) and the tire. If the rear tire weighs the same, the rear wheel is 977g. So, about 1.67kg, including stickers and a full-width rubber rim strip. I don't know how BikeRadar got a number 150g less for a set with Chris King hubs. The Lefty hub is lighter than a DT 240 and the DT 350 doesn't appear any heavier than the CK's.

    I went out of my way to add the dropper. The head angle on this bike is 71.4 and the the stock stem is super-long, so it wants to pitch me over the bars on some of the local downhills. The extra pound hurts, definitely, but the post builds a lot of confidence.

    I think the axles are part of Cannondale's quoted frame weight. There's some fudge factor here, relying on third-party weights; I haven't stripped the thing down to weigh it myself. Same with the Lefty. Lots of people say they're getting 1.3kg or so; Art's Cyclery says 1402g. The total for the bike is almost spot-on.

    There's a single bracket on the front for the 180mm rotors. I'd be more likely to choose a thinner rotor than to drop the diameter, I weigh too much for anything smaller on 29 wheels.

  6. #2106
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    Quote Originally Posted by alexdi View Post
    The wheels, ready to ride, were 3.48 lbs and 4.56 lbs. I subtracted Schwalbe's listed tire weight, actual rotor and screw weights, 60g for sealant and rim strips, and the cassette weight from the rear wheel. The result was what's in the spreadsheet.

    EDIT: Schwalbe is full of crap. I just pulled apart the front wheel. After clearing out some gunk, I get 699g each for both the front wheel (excluding rotor) and the tire. If the rear tire weighs the same, the rear wheel is 977g. So, about 1.67kg, including stickers and a full-width rubber rim strip. I don't know how BikeRadar got a number 150g less for a set with Chris King hubs. The Lefty hub is lighter than a DT 240 and the DT 350 doesn't appear any heavier than the CK's.

    I went out of my way to add the dropper. The head angle on this bike is 71.4 and the the stock stem is super-long, so it wants to pitch me over the bars on some of the local downhills. The extra pound hurts, definitely, but the post builds a lot of confidence.

    I think the axles are part of Cannondale's quoted frame weight. There's some fudge factor here, relying on third-party weights; I haven't stripped the thing down to weigh it myself. Same with the Lefty. Lots of people say they're getting 1.3kg or so; Art's Cyclery says 1402g. The total for the bike is almost spot-on.

    There's a single bracket on the front for the 180mm rotors. I'd be more likely to choose a thinner rotor than to drop the diameter, I weigh too much for anything smaller on 29 wheels.
    I don't know what it is about tires, but for whatever reason no 2 of them are ever the same weight. They make them at the same time, at the same place, in the same machine, with the same amount of "goop", yet the variability is ridiculous - and not just with Schwalbe.

    As for the dropper, I'm not against it by any means, but yes, it goes counter to weight goals for sure.

    A fair number of bikes seem to be "over-braked" at the factory, especially for smaller riders. I suspect this somehow relates to litigation concerns in the US. In any event, it's always nice to remove an adapter, and lose weight that way, and buy a smaller rotor. However, if you are larger and are conscious of your brake needs, then of course retain the 180. You can try KCNC as they are inexpensive, although I've found the cutouts are a bit aggressive, and there's a bit of a grab penalty for that. YMMV.

  7. #2107
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    115g is a hell of a difference, even accounting for what was probably 50g of baked-in sealant. The Maxxis tires were respectively 6g lighter and 4g heavier than quoted.

    It also turns out the previous owner had left in an ocean of sealant in the rear wheel. The tire weight is still accurate, but the correct wheel weight is: 699g front, 852g rear. 1551g. That's very reasonable. If these narrow rims don't squirm with the 2.35" Maxxis tires, I won't have much reason to upgrade them.

    Current weight is now 10.64 Kg, though that's without sealant. I'll look into KCNC, thanks. The pricing is pretty reasonable.

  8. #2108
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    Post your light-weight bikes!

    79er (29er front) XC FS 120R/150F launch control to 100, no dropper <21lbs...sound good?
    Last edited by andrepsz; 2 Weeks Ago at 11:23 AM.

  9. #2109
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    Post your light-weight bikes!-2017bike.jpg


    Revised over winter with some more blowout sale items and down to 18.6 lbs now and that's about where I'm stopping to maintain the comfort level.
    Highlights:
    older chiner 29er frame (specialized clone circa ~2012)
    Syncros FL29 fork, 580 grams, looks dated but no reason to change
    Hollowgram Si cranks with Wolftooth ring
    Pacenti TL28 29 rims, BHS 180/270 hubs, alloy nips, Sapim Lasers, 1595g total ($314 with shipping from BHS on sale). Nice drop from my Blunt 35 with CXRay pro build at 2100g
    Time Atac XC6 pedals
    Thunder Burt 2.1s
    Answer 20/20 bar 197g
    DSP grips 30g
    Uno 7 60mm stem 94g
    DT Swiss RTS 10mm/9mm alloy axles (no weight savings over QR, but stiffer)
    Selle Italia SLR Max Gel Flow Ti saddle (230g)
    TRP Slate 4 brakes (297/278g) - found them even cheaper than Deore M615, will have to do a review once I haven them a while
    Ai2 rotors 160/180
    Sunrace MX3 10 cassette (448g)
    Zee shifter, Deore S+ RD, not light but work great

    I took a very budget minded approach only making purchases mostly when the item I wanted was hugely discounted, hence the goofy color scheme. Who wants a white saddle or yellow grips? I do if it's 70% off, ha.
    So far, perfect for my needs of midwest singletrack and lots of gravel grinding. I could pretty easily drop below 18 by getting rid of my beloved barends (76g), going back to a chiner carbon saddle (save 130g), drop the seatpost qr (40g), ti bolts, etc. but what I've got now is comfy and durable and I don't race, just wanted something pretty light. I've had high end stuff, but this is the lightest mtb I've had in 20 years and it sure feels good spinning it up to speed.
    Last edited by rumblytumbly; 1 Week Ago at 05:40 PM.

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