The lightest gravel wheels I've ever ridden: Berd Sparrow review

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  • čas přidán 6. 09. 2024

Komentáře • 92

  • @TheRidewithBenDelaney
    @TheRidewithBenDelaney  Před měsícem +7

    A clarification on that 30% figure. First, I'm talking about a decrease in tension, not a 30% lengthening of the spokes! Second, Berd co-founder Charlie Spanjers said Berd has a relatively new pre-stretching process that can reduce this to 15% over the lifetime of the wheels. The 30% figure I quoted came from another Berd staffer who loaned me the wheels. Here is some clarification from Charlie:
    "The original and traditional process for building wheels with Berd spokes involves a multi-day process for relieving stress in the spokes when building wheels: tension the spokes, let the wheel sit overnight, tension again, let the wheel sit overnight, and tension for a third time. This process does a good job of pre-stretching the spokes so that the spokes will only lose about 30% of their tension before stabilizing after about 6 months. After 6 months, the tension no longer decreases.
    In 2022, Berd began a new process for accelerated pre-stretching wheels using wheel stress relief machines. Wheels produced at the Berd factory (including the Sparrow wheels you have) undergo three rounds of stress relief, whereby the machines push on the wheel with up to 635 pounds for up to 4 minutes per cycle. This highly effective process prevents the spokes from stretching in the future almost entirely and there is no longer any long-term maintenance required for the wheels. Over the lifetime of the wheels, one can expect a total of 15% decrease in tension, which has no detrimental effects on performance. As a good example that there are no problems with a small decrease in tension, Pauline Ferrand-Prévot's wheels that she has been racing and winning on this season are only tensioned to roughly 50 kgf!"

    • @ericsyd
      @ericsyd Před 3 dny

      There’s no way the thread of 20mm would allow to compensate for 30% in length…..so it is clear it’s not a length variation

  • @richardjohnson3380
    @richardjohnson3380 Před měsícem +17

    The Spectra lines are the same material many rock climbing slings and also used for the suspension lines in skydiving for decades.

  • @jmdrstv
    @jmdrstv Před měsícem +14

    I have Berd wheels on my "down country" Transition Spur and they have been amazing. Love them

  • @marksmith3089
    @marksmith3089 Před měsícem +5

    They are banging!! .. recently watched macky (from Syd & macky CZcams channel) rip a set of these down the 21km of 'Mega avalanche ' mtb race.. cheers for the viewing Mr D

  • @cletusowns
    @cletusowns Před měsícem +6

    I have Berd wheels on my gravel bike and xc bike. Love em. I have cut spokes when a derailleur blew up got shoved into the spokes at speed but hell that would destroy regular spokes too.
    Also FYI Berd pre stretches spokes for their wheelsets. I've had mine for 2 years and they are still holding the same tension

    • @TheRidewithBenDelaney
      @TheRidewithBenDelaney  Před měsícem +3

      Good to know. Thanks for sharing. They do pre-stretch for the wheels, yes; but they told me 30% is still expected.

    • @mattelam8313
      @mattelam8313 Před měsícem +2

      @@TheRidewithBenDelaney Thanks Ben! Great review - I was looking at the 30% claim and here's what Berd says on their site:
      Despite this, the tension in Berd spoke wheels will decrease by approximately 30% over the first 6 months of use due to the natural "bedding in" process of the fibers. This loss in tension does not affect the durability or longevity of Berd spoke wheels, and there is no requirement to increase the tension. If desired, the tension can be increased after 3-6 months by turning each nipple by 2 full turns from the tire side of the nipple while using the Berd spoke holding tool to prevent the spokes from twisting, followed by minor adjustments to ensure the wheel is true and dished properly.
      Might be my next XC wheel!

  • @kopter28
    @kopter28 Před 2 dny

    I have Berd wheel on both my MTB bikes, a set of the TR30 wheels on one bike and HAWK30 on the other. By far the best wheels I've ever had and they have held up to a lot of abuse. I have 3 seasons on the TR30 and they did not need to be re-tensioned. Definitely planning to get a set of these for my gravel bike in the near future.

  • @seanmccuen6970
    @seanmccuen6970 Před měsícem +2

    re. the spokes (apart from looking cool), it took the bicycle industry a while to catch on to how high performance sailboats, for example, have been utilizing dyneema/spectra for decades in place of metals to save weight all over the boat, especially aloft.
    applied correctly, the stuff pretty much has zero problems dealing with massive (and dynamic) loads in some of the harshest environments possible.

  • @stevenagy7152
    @stevenagy7152 Před měsícem +5

    Bow strings, as in bow and arrow, body armor, nearly any other high tensile/high resiliency application one can come up with, Dyneema fills that role. Zero hesitation about its use in spokes especially for the dynamics of bike wheels. The concern over this material for spokes sounds as misplaced as the concern once was for carbon frames and wheels.

    • @TheRidewithBenDelaney
      @TheRidewithBenDelaney  Před měsícem +2

      I am not worried they are going to fail; I am just hesitant to wholeheartedly endorse a system that may require more (truing) maintenance than metal.

  • @epmurphy
    @epmurphy Před měsícem +18

    Berd pre stretches the wheelsets they sell so don’t think the 30% applies there.. maybe if you buy the spokes and build your own wheels this may be an issue.

    • @festerofest4374
      @festerofest4374 Před měsícem +2

      That would be great to get clarification on!

    • @thegearattic
      @thegearattic Před měsícem +1

      @@festerofest4374 Just ordered 3 sets for customers and was told by Berd that they would come pre-stretched and should not need any additional tensioning. They have great support so if you want just email them and they can tell you.

    • @thegearattic
      @thegearattic Před měsícem +13

      From Berd "We will put the wheels in a stretching table that will take all the elasticity out before we ship them so there should be no adjustments needed for a couple of years."

    • @cletusowns
      @cletusowns Před měsícem +3

      This is true. I have 2 wheelsets for more than 2 years and I just checked the tension and it matches what I had from the factory

    • @ericbeech2652
      @ericbeech2652 Před měsícem +1

      There's a video of them in their "stretching machine."

  • @justinofboulder
    @justinofboulder Před měsícem +3

    Thanks for the video! I would love to try riding them, would make a large improvement over my current wheelset weight.

  • @Aretepolitic
    @Aretepolitic Před měsícem

    I have been riding a custom wheel build that used berd spokes for 6 months now. It’s been good so far.

  • @hardmtnbiker
    @hardmtnbiker Před měsícem

    I fell in love with Berd spokes. My first set was for my hardtail and I sent Berd my RaceFace Arc 35 and 40 and they laced them up to my Hadley hubs. I honestly thought my tires were leaking air. They felt significantly softer than any steel or aluminum spoked wheel. So for my gravel set I went a little different. I asked Berd to lace up the XM481 rims with the ONYX hook flange hubs. Not as light as typical i25mm wheels but they feel great!

  • @space.youtube
    @space.youtube Před měsícem +5

    Not sure your losing "30% of your money" analogy works with spoke tension given nothing is really "lost"? Spoke tension can easily be restored with a little adjustment. I doubt you'd say that losing 30% of your tyre pressure over time is like losing 30% of your money when you can simply pump up your tyres, right?
    In fact the opposite is probably true if over time you gain a 'bedded in' spoke system that retains all the advantages it had, plus more densely packed strands that are far less prone to stretch. By the way, it's not the material that's causing the "stretch", it's the weave of the strands. Once the weave has settled under tension the likelihood of any further stretch is negligible, unless you rebuild the wheel I assume. So in truth they're probably better 6 months in than when new.
    The only downside I see is the potential for dust, grit and moisture to adversely effect the individual fibres. Archers who use dynema as a string material choose it because it doesn't stretch. They wax their strings to protect them from moisture, I wonder if that would be worth consideration, even if it came with slight weight penalty?

    • @marcovandewater1848
      @marcovandewater1848 Před měsícem +1

      Interesting you mention 30% loss of tension where Ben speaks of 30% stretching, which doesn't seem plausible. Thanks.

    • @tjb8841
      @tjb8841 Před měsícem +1

      @@marcovandewater1848ben clarified above that he meant to say 30% tension. Then adds info that the new wheel building process Berd uses reduces tension loss to about 15% in the first few months, before it “bottoms out”

    • @marcovandewater1848
      @marcovandewater1848 Před měsícem +1

      ​​@@tjb8841thank you for clarifying; I most have missed or misunderstood that. (y)

  • @sccxvelo
    @sccxvelo Před měsícem +2

    It would be interesting see a berd vs spinergy or other alternative spoke wheel real world comparisons.

    • @thomaskuhn6541
      @thomaskuhn6541 Před měsícem

      Steve over at Hardtail Party did a comparison video of Berd vs. conventional spokes. He's also done a lot of wheel comparisons including Spinery. Obviously all with MTB rims, but you may find it useful.

  • @Velolion
    @Velolion Před měsícem +1

    Hey, Ben, as always nice review and thanks so much to you and I'd guess USAC for the $50 Gravel Nats entry discount code -- I just used it for my reg. Didn't see you on the entry list, but hope you'll be joining the rest of our Colorado contingent and that I'll see you there!

    • @TheRidewithBenDelaney
      @TheRidewithBenDelaney  Před měsícem +1

      I need to get my act together and sign up. Was holding out I guess for some rando to come forward with a discount code. 😁

  • @blazacrew
    @blazacrew Před 19 dny

    They would be great for XC racing

  • @petersouthernboy6327
    @petersouthernboy6327 Před měsícem +7

    Seems like you’re exchanging weight for aero. Which is fine unless you’re *racing*
    Gravel racers seem to be gravitating more and more to aero - which might outweigh (Ha!) the weight advantage
    I have two wheelsets for my Revolt - one set is 25idx35 with 47mm Pathfinder Pro’s, the other is 25idx50 with Continental GP 5000 AS TR in 700x35.
    Once you get those deep rims up to speed they really roll fast and hold the bike’s momentum - at least, that’s my take.

    • @richardhaselwood9478
      @richardhaselwood9478 Před měsícem +3

      Important take. I'd imagine, as with all things is, "It depends". If the course has a lot of climbing and crappy, rough roads, and/or single track, the trade off could be worth it. If it's flatish and fast, go with your deep section wheels.

    • @JeremyLawrence-imajez
      @JeremyLawrence-imajez Před měsícem +2

      @@richardhaselwood9478 Interestingly TdF riders who are obsessive about weight shaving now ride relatively heavy [1500/1600g] aero wheels these days, even for mountain stages. Because it turns out aero matters far more. Same for the bikes.

    • @richardhaselwood9478
      @richardhaselwood9478 Před měsícem

      ​@@JeremyLawrence-imajez Certainly. We really seee that, especially at the speed pro's are travelling at, aero out ranks weight.
      MTB's have been going down this way for years now.
      I watched a really interesting pod cast a few months ago where an Ineos rider (can't remember who) made a solid argument to increase the max weight to 8kg, to allow a lot of extra equipment....

    • @CaptainT8TR
      @CaptainT8TR Před měsícem

      @@richardhaselwood9478 you hit the nail on the head. I have a set and prefer them over my aero wheels. The comfort is far more important for me than any aero gains. However, I'm an Age Grouper and in most gravel races, very mid pack.

    • @JeremyLawrence-imajez
      @JeremyLawrence-imajez Před měsícem +1

      @@richardhaselwood9478 aero matters at much lower speeds than folk think. Heck even marathon runners draft other folk to rest. At just 32kph/20mph, something like 80% of your effort is overcoming wind resistance and even at a pretty slow 12kph/7.5mph half your effort is overcoming wind resistance. Hence why pro riders still draft when going up hills.

  • @Ih8GoogleandApple
    @Ih8GoogleandApple Před měsícem +2

    I’m sure just above any shop you take these to will struggle to replace them and adjust the proper tension if you break one

    • @adambarlev8992
      @adambarlev8992 Před měsícem +1

      You can just pop in a regular spoke it you have to, but they're actually way more durable than metal spokes so I haven't had to yet.

  • @monguzzle
    @monguzzle Před měsícem

    I'm using a Creo 2 for gravel at moment (I'll be adding a Grizl or similar back in sometime soon). I have the Comp alloy wheelset build, and something like this would be amazing as a replacement. I'm kind of keen to see what would work well as a carbon wheel set that wasn't from the Big S/Roval.

  • @festerofest4374
    @festerofest4374 Před měsícem

    I don't remember what YT channel I saw it on, but someone experimented with dying the spokes in different colors. Results differed depending on the dying product and method used.

  • @NeoPayneHK
    @NeoPayneHK Před měsícem

    thank you

  • @hmwelch99
    @hmwelch99 Před měsícem

    Would love to try them. Maybe the price will come down someday!

  • @adamsolomon9353
    @adamsolomon9353 Před měsícem

    This is a great channel and review

  • @gcb2101
    @gcb2101 Před 22 dny

    Best option for gravel bikes IMO is the Hunt Gravel Race wheel. It's aluminium (that's right, aluminium, not 'aluminum', since it's a UK brand😆), but with 1400 grams at roughly 500 bucks, it's insane value. Do you really want to spend 1500 -2500 USD more for 100-200 grams less? I don't. Plus, IMO alloy has advantages over carbon for gravel. But that's another story.....

  • @thesimonsons
    @thesimonsons Před měsícem

    The tires weigh more than the wheel set. I wonder if they could make tire casings with Dyneema?

  • @BikesKomsCRO
    @BikesKomsCRO Před měsícem

    Crazy they are heavier still than the 40/50 CWRs (road)

  • @bobfoster687
    @bobfoster687 Před měsícem +1

    How does UV radiation from sunlight affect the spokes?

  • @EvidenceofaFabulousLife
    @EvidenceofaFabulousLife Před měsícem

    I still have Spinergy Spox wheels from the 1990’s. 26” MTB. Assuming 1995, nearly 30 years old, never been re-tensioned, still tight. Carbon fibre strands inside carbon fibre sleeve. Ride just the same, more compliance and comfort. I love the idea of spokes I can roll up and keep in a bag, ready if needed, and just being able to hook on one end and join to the nipple the other. Should be no need to remove disc or cassette right? Love it. Thanks for the review, Tim

    • @TheRidewithBenDelaney
      @TheRidewithBenDelaney  Před měsícem +2

      Old school! I had a set of secondhand Rev Xs back in the collegiate racing days that I thought were so cool, but never the Spox. Thanks for sharing.

    • @EvidenceofaFabulousLife
      @EvidenceofaFabulousLife Před měsícem

      @@TheRidewithBenDelaney I have a video of them on my old race bike if you'd like to see them in all their glory! Just let me know where to send it, it's small and short. All the best! Tim

  • @OnyxTortoise
    @OnyxTortoise Před měsícem +3

    sounds like your opinion about compliance is "meh" .. I have not ridden enough wheels to know if compliance is a trait that I'm looking for. It does seem like having a muted ride on a rigid bike is a major benefit?

  • @Omnis2
    @Omnis2 Před měsícem +3

    Is the dyneema covered or jacketed? Would be concerned about UV exposure of the raw fiber and degradation over time.

    • @JeremyLawrence-imajez
      @JeremyLawrence-imajez Před měsícem +1

      Chap above mentions it's been used in sailing for decades, which is a far harsher environment.

    • @tjb8841
      @tjb8841 Před měsícem

      @@JeremyLawrence-imajez but that’s high level racing, where stuff is inspected and replaced often. UHMWPE does lose strength from UV, see How not too CZcams channel for tests with slings for climbing.

    • @Omnis2
      @Omnis2 Před měsícem

      @@JeremyLawrence-imajez climbing and sailing lines are typically jacketed because of the UV issue, and the safety factor for failure vs scope of use is many times greater than these tiny spokes. I’d rather not have a wheelset that I have to inspect for both tension and degradation as a matter of safety, but that’s just me.

    • @JeremyLawrence-imajez
      @JeremyLawrence-imajez Před měsícem

      @@Omnis2 Seems like the tension aspect/problem wasn't reported correctly in video.
      Way out of touch with sailing myself, I just mentioned others said they got used there.
      Longevity and low maintenance is a big positive for me too.

  • @stuartbennett4476
    @stuartbennett4476 Před měsícem

    Been thinking aboit it, but the hub holes need to be reamed, which I'm not keen on

  • @ncschaffer
    @ncschaffer Před měsícem

    Also much easier to fold a few of these and keep them as spares in your pocket or saddle bag. Can’t do that with a regular spoke

  • @GummeeH3
    @GummeeH3 Před měsícem

    Had a Spinergy Spox front wheel with composite spokes. Flexy flyers. More so than the sets of wheels I built with Ti spokes.
    Please tell me these wheels aren't like the Spinergy wheels

  • @Gidogeek
    @Gidogeek Před měsícem

    Nice review Ben. Just trying to figure out what the "less chatter" translates to. Would you say that the road chatter of let's say the ENVE at tire pressure X would correspond to Berd wheels tire pressure X + 10% or something like that ? Or would you still run the same tire pressure ?

    • @TheRidewithBenDelaney
      @TheRidewithBenDelaney  Před měsícem +1

      Thanks. I used the same tire pressure as on any wheels - just based on tire width and my weight. They just felt like I had bigger, softer tires on.

  • @guytamam5039
    @guytamam5039 Před měsícem

    Is there any changes in the power transfer to the wheel? how they react to power?

    • @CaptainT8TR
      @CaptainT8TR Před měsícem

      I have a set, and I don't feel any loss, when getting on the power. Note: not a large guy with huge power. The ride quality is second to none.

  • @robinseibel7540
    @robinseibel7540 Před měsícem

    How is the abrasion resistance of those spokes? I would think that the strength of a woven spoke would decrease with abrasion. How is the lifespan of these spokes affected by UV exposure?

    • @derekmattice3077
      @derekmattice3077 Před měsícem +1

      UHMWPE has excellent abrasion resistance, that is an inherent property of the material.

  • @theonlyDougBlack
    @theonlyDougBlack Před měsícem

    What is the warranty? Sorry if I missed it in the vid.

  • @thomaskuhn6541
    @thomaskuhn6541 Před měsícem

    How do you measure spoke tension, same Park TM-1 as for conventional spokes?

  • @JibbaJabber
    @JibbaJabber Před měsícem +3

    30% sounds way too much for stretch. That's 10cm for a 33cm spoke. Can that much slack be taken up by a nipple. 3% maybe, but not 30%.

    • @iBuyGeorgiacom
      @iBuyGeorgiacom Před měsícem +2

      My thought exactly.

    • @estelja
      @estelja Před měsícem +1

      I was thinking the same thing. Also at 30% stretch the fabric would have to be the diameter of like a 20 gauge spoke. I think it's more that the tension can drop by 30%.

    • @TheRidewithBenDelaney
      @TheRidewithBenDelaney  Před měsícem +3

      @esteljia - yes, 30% reduction in tension, not the actual length of the spoke. Good catch!

    • @gwkdad
      @gwkdad Před měsícem +2

      Dynema has a stretch to failure point of 03.5 percent. "30%" should have had this guy checking his facts!

    • @tjb8841
      @tjb8841 Před měsícem

      @@gwkdadit’s not the material that stretches, it’s the weave.

  • @garagesale5948
    @garagesale5948 Před měsícem +1

    Berd spoke wheels are light as a feather, LOL

  • @lazlo2511
    @lazlo2511 Před měsícem

    Unfortunately these strings are so pricey… I have to give them the Berd! 🤭

  • @christerlundgren3805
    @christerlundgren3805 Před 5 dny

    Does clincher work on their rims?
    Know its not fashion to have nowadays, well ol fart i am 😂

  • @DericO-rz3be
    @DericO-rz3be Před měsícem +3

    HOW MANY *DENTISTS* DOES IT TAKE TO BUY FABRIC SPOKE WHEELS? LOL

  • @markreams3192
    @markreams3192 Před měsícem +1

    What is semi hookless? Anything with hookless in the name is a deal killer for me. The tech is interesting but over the years there’s been a lot of interesting tech that really hasn’t gone anywhere! Don’t really like the white spokes.

    • @GummeeH3
      @GummeeH3 Před měsícem +3

      We ran hookless for eons before hooked rims came into being. They're called 27" wheels and tires, and no one seemed to have much problem with them

    • @whatwouldjacobdo
      @whatwouldjacobdo Před měsícem +1

      They have other colors.

  • @StanEby1
    @StanEby1 Před měsícem

    Not made in China!!!😊

  • @BostilCensurado
    @BostilCensurado Před měsícem

    When China makes these accessible, i might try then

    • @petersouthernboy6327
      @petersouthernboy6327 Před měsícem

      @@BostilCensurado and like Chinese groupsets and cycling computers - you’ll be the “beta tester”. That’s quite a DHL invoice to get those back to China for a warranty claim if you live to tell about it

    • @BostilCensurado
      @BostilCensurado Před měsícem

      @@petersouthernboy6327 sounds like you were naive enough to buy electronics from china, mechanical stuff like this is another story, they can make them even better than westerners

    • @cletusowns
      @cletusowns Před měsícem +1

      Light bicycle does offer Berd spokes on some wheelsets builds fyi