Does Size Matter? - How Much Slower Is The Wrong Size Bike

Рет қаралды 46,706

Күн бұрын

With modern geometry becoming longer, lower and slacker and bikes in general being larger. Anna and Rich test whether frame size really matters. Is a bigger bike better? or will a smaller more playful bike put down a faster time for both riders? Lets find out!
⏱ Timestamps ⏱
0:00 - Intro
1:00 - The Bikes
2:10 - Climb (Right size bikes)
2:57 - Race Run (Right size bikes)
5:54 - Climb (Wrong size bikes)
8:16 - Race Run (Wrong size bikes)
12:41 - The Results
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Пікірлер: 141

@sjaan7370 10 ай бұрын

At least the suspension could have been set up properly for each other's bike as it was a test for the wrong size bike, not improper suspension set up. Poor suspension setup can have a big impact on perception of size differences.

@dumwee 10 ай бұрын

missed the end ;)

@sjaan7370 10 ай бұрын

@@dumwee I typed and sent it right before the end, but I thought it was still relevant to say why it matters in this type of 'test' 🤓

@M_A987 10 ай бұрын

I tought the same immediately when they discussed Rich bottoming out on the climb. It's so easy these days I'm surprised they didn't do it the first time

@gaberomero1740 10 ай бұрын

Agreed

@matthewmcguire5217 10 ай бұрын

I like the idea of a rematch with proper set up and seeing how you both do on a medium

@alanmartinezrodriguez884 10 ай бұрын

You couldn't have a better female presenter than Anna, GMBN. And it's nice to see her riding more. Keep it up!

@JeffMTBinVA 10 ай бұрын

Yes, do it again on properly setup Medium bikes. Also, as a novice I would love to see a video on getting the right size bike and then what adjustments to make it a perfect fit.

@matthewsmith1461 10 ай бұрын

I think the more important thing about sizing is not whether it’s a small, medium or large, but what are the dimensions of those sizes, because a medium can have a different reach depending on the brand. I have seen as much as a 15 to 20 mm difference across brands in their medium size and for me being 170 cm I fall at the top of small in the bottom of medium

@psychonaut038 10 ай бұрын

I got a 470 reach with my 5.9. Feels great.

@mikedwiles 10 ай бұрын

I think a rematch is in order. I really appreciate Anna's input as I'm a shorter rider. It really helps getting that perspective. Thanks for another great video!

@andrewc_411 10 ай бұрын

I would've been really interested to see them each try a size medium as well, since sizing up or down one size is much more common, either intentionally or just because of what's available.

@ChrisCapoccia 10 ай бұрын

yeah i think being only 1 size off on a properly set up bike will be closer to what people are actually trying. but still interesting to see two very good riders managing ok on completely the wrong bike

@TheButlerNZ 10 ай бұрын

I feel a better "real world" comparison would be for the rider to be riding an oversize and undersize bike set up as best as possible for that rider... As that's what we face in the real world... a bike that's not quite the right size... but with a taller/shorter seat, longer/shorter cranks, bigger/smaller/higher/lower head stem... wider/narrower bars etc etc.. It's not often you ride another riders bike that is hugely different to your own (unless unavoidable)... but far more common (especially on a budget like me) where you buy a bike 2nd hand... didn't get a lot of choice over size (but most likely tried to at least get close).. then adjusted what you could on that budget... (For me that was just putting a dropper on and hopefully at some stage, trying to mullet a 27.5 into the 26" totems to get the rake out a little on what is an extremely agile (twitchy) Giant Faith 0 sitting under an otherwise mediocre 55yo)

@ThatNinja1 10 ай бұрын

Yes I concur. Love the channel, I watch you guys daily and always leave a thumbs up. Was a funny episode this one

@MikeGlorfindel 10 ай бұрын

Agree on the rematch but you should set up the suspension on your bikes for each other then try a medium for a control ride to see if a little over/under sizing is workable. 🤘👌

@deater_ski 10 ай бұрын

Haha the feet dangling got me, fun idea ! Look forward to seein the next -

@Chapelrone 10 ай бұрын

I usually ride a medium, and during my trip in Whistler, I rented a small size GT fury. And I can't describe how much more easier it was for me to throw the bike around and just do steezy things. I'm pretty sure my next bike's gonna be a size small if I do happen to replace my old one.

@TheButlerNZ 10 ай бұрын

I ride 26'ers and only have played around in a carpark and a climb on a mates 29er... and trying to wheelie made me feel like a 5yo on his brothers 10speed (ok showing my age with that ref)... I couldn't get the front over 1ft without trying to back flip it... and even then still couldn't reach balancing point.

@The2808erik 10 ай бұрын

@@TheButlerNZ How it wheelies is more geometry dependent and where the balance point of the bike is, rather than being wheel size specific.

@TheButlerNZ 10 ай бұрын

@@The2808erik actually wheel size does actually come into play with wheelies... as the height of the pivot point is higher.. and I'm used to mid size 26'ers (Like my 25yo Foes and 13yo (tho I have only had it 4y) Giant Faith. and what's worse, when I first learned to wheelie (back in the 70-80's) I taught myself... so stood up... bringing the frame even more upright (near vertical) in a wheelie. The last 20 years I spent using a throttle on a 2 poke MX bike so that didn't help either.

@The2808erik 10 ай бұрын

@@TheButlerNZ The seat angle of those older 26 inch bikes is way slacker than modern bikes, that is whats shifting the pivot point more then the wheel size.

@mjowsey 10 ай бұрын

The size calculator tells me I need L but that's not usable unless the seatpost is Ridiculously Short. Size M for this 179cm rider works perfectly.

@raphaelwolff8205 10 ай бұрын

Well done Anna and Rich great vlog and would be great to see you both riding a medium and set the bikes up to suit.

@DavidFoundCo 10 ай бұрын

Even the small looks big on her

@Ferrari255GTO 10 ай бұрын

Smaller is fine, larger is pain. My Lapierre Forggy 318 (09) used to be WAYYY too large for me, it was horrifyng to ride on gravel and on any trails because all you felt was how the front wheel would slip and murder you if you sneezed, then i got my Demo 8 (09 too) and it was an upgrade so notizable that i still can't believe it to this day. It's really nice knowing that the bike you have fits you.

@PVVI2015 10 ай бұрын

Rematch for sure! Really enjoyed that!

@alinapopescu872 10 ай бұрын

Anna and her bike seem to have drawn the short stick here. I feel for both, albeit I'm a wooping 5 cm taller than Anna.

@gregmccandlessmusic 10 ай бұрын

Yay Kanuga! Thx for coming to NC

@andrewince8824 10 ай бұрын

Yes and no. My mate is 145cm and has an XS Pinnacle HT. Fits her perfectly. I'm 176 and it fits me just fine in context. I couldn't ride it for any distance but when railing a jump line it's like a BMX for MTB riders. It's amazing. I've also ridden an XL Mondraker Summum DH. Again, couldn't ride distance but my gods it was fast downhill. Relative to a correctly fit bike it felt way more stable due to the extra wheelbase. Ultimately, size is important for long term riding. If you're hitting bike parks with uplift then you can get away with inappropriate sizing if it offers a more throwable or more stable set up depending on what you want. If I were riding jump lines all the time then the mini Pinnacle would be perfect, it's like a slopestyle you can climb.

@qualm43 10 ай бұрын

Bikes today are so LONG. You'd be surprised how good a smaller size feels.

@junka1975 10 ай бұрын

Just seeing Anna try to get on Rich's bike at full height makes you realise just how much smaller she really is. You could see why Rich's bike was harder to steer for her in the techy stuff.

@FirestormAA 10 ай бұрын

Hahahahaha extremely funny video especiallywhen Anna turn. Great video guys. Yeah rematch please!!!!!

@Dannyjones1 10 ай бұрын

Would be really interesting to see the follow up video and how much faster you both could have been if you had the suspension set up to your weight, particularly sizing down. I personally size down on my bikes to a medium and find it both comfortable and fast.

@XavieRibeiro25 10 ай бұрын

It matters A LOT

@theBanzon 10 ай бұрын

Great idea, like you said, set up the suspension next time, and maybe things like handlebars/controls, too, since that can have an affect on body position.

@CogMarks 5 күн бұрын

I’m 5’2 and demo-ed a Trek Fuel Ex in a med/lg because there were no small bikes available. Once I was on the bike and adjusted the seat with the dropper, I was good to go. Getting on and off the bike was a challenge. It is a shame that small bikes often have to be special ordered because no one stocks them. Special orders can take months to come in. 😩

@justgo4033 10 ай бұрын

430 mm for a size small is about the reach of a size large 15 years ago , my old dh bike had 425 mm reach . At 6 feet tall I find a 465 -470 mm reach to be spot on

@chaotictattoo 10 ай бұрын

I ride a small on every bike and the internet tells me I am suppose to ride a medium and I feel great on all my bikes. I have tried a medium and feel too stretched out. So get on a bike see how it feels and adjust your stem and bars and see how it feels

@Kenshiken 10 ай бұрын

Great video

@CoolTitanium68 8 ай бұрын

I used to ride my dad’s old Trek hard tail before I bought my Santa Cruz 5010 in April. The Trek bike is a size Large and the Santa Cruz is a size X-Large. Anytime I rode on my local trails with my dad’s Trek I would always get lower back pain. With the Santa Cruz, I haven’t had any problems with it so far. Still use my dad’s Trek at jump tracks because it’s the same weight as my Santa Cruz and is easier to throw around

@kevb8828 10 ай бұрын

Unfortunately GMBN has gone from one extreme to another again… L to S is completely irrelevant! Why not have S to M and L to M or do it with someone who’s actually between sizes as this is where the topic actually matters! Not have a 6ft rider ride a S and a 5ft rider ride a L… it’s not in anyway helpful unfortunately guys! :)

@G60syncro 9 ай бұрын

Earlier this summer I went for a ride with my brother in law and he's pretty much Anna's size and I'm Rich's size... He had his new MTB and he loaned me his old one and I proceeded to max out the seat tube adjustment. We went for a ride on a trail near his home. We had a blast going through the mostly uphill bits of the trail and at the end of it we swapped bikes. I'm not gonna lie, the new bike felt way better when sending it downhill, it just blasted through everything but the climbs were dreadful and the ride back home on a few K's of paved road were the worst bit... It just felt too small overall. His old bike, while too short I could at least find a compromise. I went back there this past weekend and I had my cyclocross bike and we hit the same trail... There were a few sketchy bits like a washed out culvert with just stones sticking out and my chainring had no chance of clearing that... So I had to portage that bit and there were a few brutal climbs that I was'nt geared for, but all in all I managed to keep up with him when it got to the CX bits and we had a blast!! My takeaway was that it was not the optimal bike for the task, but at least when it did shine through I came out at my best and I was hard on my BIL's tail!! When we flew out of the trail there was a long downhill paved road with a 30Km/h speed limit.... promptly broken... Then The road climb back up I gained the advantage and the more road bike gearing left him in the dust but it was so much fun! Size does matter! it's ergonomics!! And after watching Seth's review of the Ozark Trail MTB over on his channel, I might cross the border to get one (Can't get them in Canuckistan, need to go to Vermont) or wait 'till next year when a Decathlon opens in town!!

@BurritoMaster24 10 ай бұрын

rematch with tuned suspension! should be the next one you guys adapted so well to the bikes as it were that id like to see it again!

@briw4647 10 ай бұрын

Maybe.. Rich should try a medium going downhill, a slightly shorter than his large might make it more responsive for him

@tedd9621 4 ай бұрын

lol Size does matter! Thank you. This definitely will help me in my purchase of a new MTB.

@CN-re5ut 10 ай бұрын

Great presenters. Super engaging

@ArturPiel 10 ай бұрын

Love how Anna's glasses keep changing from dark to clear 😂

@stevencole7331 10 ай бұрын

For pedaling pedal efficiency is key to getting from point a to point b in the speediest fashion . Many things apply to this . The mechanicals of the bike . It's fit ,tires and the list goes on . There is almost a better bike out there for everyone . Finding becomes a very expensive endeavor . This keeps bike companies selling product

@ramonsantana6057 10 ай бұрын

Forget about sizes, focus on reach. After you discover the right reach for you, modify stem and handlebars, till you find a cockpit set up with excellent leverage. And master your skills and position on the bike.

@mjowsey 10 ай бұрын

So, a 150mm travel dropper post with a 30mm collar won't be an issue if the seat tube is a bit long?

@neilleadbeater78 9 ай бұрын

Which bike park/trails was this episode filmed at. Trail looks great

@simonrook5743 10 ай бұрын

Size is very important, I’m just under 5’10” but have very short legs (30” jeans) and a so a long torso (I’m taller seated than a friend who is 6’1” tall), my first MTB I was advised to get a small for my leg length, it was far too short for my torso height (length as you lean forward), I now ride a medium but have the saddle right back and a longer stem (a large suites better for length but hampers me moving around on the bike), my road going hybrid is a large frame to get the right length as moving around on the bike isn’t necessary.

@hanzren 10 ай бұрын

Opinion: even without controlling all setup variables, this test is still very relevant. In Anna's case, she's slower by a mere 3% and Rich 3.5%. For hobbists like me, bike sizing sounds like just a matter of preference. I have been in the "downsizing" phase of my hobby & have been loving it. Perhaps I should pick up a Large frame again & feel the difference going the other direction?

@kalle582 9 ай бұрын

Bitte mehr von Anna! 😊

@mattmcgyver9244 9 ай бұрын

One overlooked variable is familiarity with the bike. Do three or four runs on the incorrect bike and with the suspension tuned... then you will know is it the bike size.

@winklertribe5268 10 ай бұрын

Size absolutely matters! Correct Body position is almost impossible on a bike that is too big or too small.

@alexh.4068 10 ай бұрын

Rich hamming it up. Anna's bike still has more reach than a dirt jumper, longer wheelbase, more traction on the bigger tires.

@user-um4xz5do3j 10 ай бұрын

Interested to see if bike size has an effect on speed. Small bikes vs. Large bikes with short vs. tall riders.

@seniorcajun 10 ай бұрын

That was definitely my thought , reset the suspensions , my other thought is set the seat height too , Anna is at a severe disadvantage jacked up that high , and being too low like him is not good either

@cscape1973 10 ай бұрын

Very interested in this type of thing, also the male/female bike fits, what do you guys feel about the female specific Liv bikes. Although i have no feel for the science of it all may female friends who have tried them say they are much more comfortable

@christopherpetts6599 8 күн бұрын

My Nukeproof scout is too bloody long. Cant get my arse anywhere near the back hub. Im 5' 8 and riding a medium. Gonna try increasing my fork to a 150mm and shortening my stem. Hopefully that will bring my cockpit back a smidgen but probably not enough.

@briw4647 10 ай бұрын

Yes, to be efficient you also meed to comfortable., you need the correct size.

@Beale1982 10 ай бұрын

I’d like to see this done again but with an average joe to see how different they find it

@ksnyd2625 9 ай бұрын

I got a 26". I gotta lay the bike one ground an step on thanks to several spine fusions..

@jeffhunter007 Ай бұрын

Rematch with the same bike model, different sizes (so slack level and components not a factor). Reconfigure for each rider and redo the tests.

@_Jake.From.Statefarm_ 10 ай бұрын

My bikes are too small for me both my mediums have a 435 reach on them and I'm 5'9. I personally find that on smaller bikes it's harder to balance your weight due to the shorter wheel base and it's harder to stay over the bottom bracket esp in turns and any shifts in position can make a big difference in grip. That also applies to balancing your suspension. While they are more maneuverable, even when jumping, you have a lot higher chance of crashing if you're not perfectly centered when leaving the lip or pushing through a turn. My future bikes will all be 460/470. Can def too long of a bike being a problem too esp in the maneuverability department.

@MrDino27 9 ай бұрын

Suspension set up is key no matter what size you ride period .my Scott ransom set up is key .7

@ls66 10 ай бұрын

I think you should have set the bikes up as best you could for the switch pressures seat heights and such.

@briand8862 10 ай бұрын

Definitely try one size down/up for comparison, with correct suspension. The giant leap of two sizes is too much.

@ornleifs 10 ай бұрын

Yes a rematch would be very interesting.

@topgundk 10 ай бұрын

What would make more sense, even not that funny as this video, would be for a rider normally using medium, to test a small and a large frame, both set up for the rider. That would provide some usefull data and observations.

@kennethcampbell7263 10 ай бұрын

Rich at 6' 1" to Anna's 5' 1" were you standing in a dtich at the start of the clip cause Anna' didn't look that much smaller than you and a helmet isn't a foot. Great idea on the rematch.

@ReverseRG1234 10 ай бұрын

It does

@aasimmons 10 ай бұрын

It was stoopid to do that comparo using the wrong suspension setup.

@FoxRob93 10 ай бұрын

Suspension setting should be set up for each other times would be closer.

@Velo1010 10 ай бұрын

Yes size matters. My girth is outstanding but my length is average. Wait! What are we taking about? 😂

@TheBaldTruth1 10 ай бұрын

Would be good to see a rider smack in the middle between two manufacturer recommended sizes and then testing both sizes for speed and comfort. It's a dilemma many riders face. This is really more of a comical, exagerated comparison of extremes; we knew how it would play out before it started.

@KDog2264 10 ай бұрын

Yes set up the suspension properly for the person and do a medium size as well.

@Shishou_Shi 9 ай бұрын

What we learned from this: If you've already done exercise you'll be exhausted for the second run... This video is worth Jack shit!

@timweaver9228 10 ай бұрын

Surely they should have set the suspension up for each other’s weight difference, the focus on suspension and set up is always a key factor and area of reviews etc… ?

@ROBINAXE5150 10 ай бұрын

I understand what you're getting at here but I have a different size bike for every task. Size small DH, size large Trail, Medium Cross Country and large Road.

@PNW.sparky 10 ай бұрын

I feel like this was 2 extremes. You guys should test one size bigger, or smaller than what you usaully ride

@chacaf22 10 ай бұрын

well do it again with correct suspension setups Me with 3 friends have the exact same frame: 2022 Transition Spire Size M, I aim for an S, but I can't find one on Stock, so I Build my bike at the most budget I can; and the most Small I can (I'm 1.62 tall) with 27.5 tyre size being a 29er frame Another friend its 1.78, uses the same frame, but he built his bike the most Hi end posible, signature components, and the bike its always shiny And the last Friend its 1.88, so he is big, and he aim for Type M too, he came from a GT Force in L Size than never felt comfortable, and just swapped frames, and he went faster almost on day 1 When we swapped bikes, everybody says than the mine it's the most nervous one; and I find than the other bikes are much more harder to steer, they could find nimble differences between the 3 bikes, even the mine with a very different setup, and me? I'm just blocked on trying to not fall down because those bikes are so big to me, and so stiff, wich its utterly hilariuos because as I state at the beggining, all the 3 are the same freacking frames, but built differently

@alexh.4068 10 ай бұрын

Didn't even change the pressures on the suspension! :-0(

@DRSpalding 10 ай бұрын

Yes, please do it with at least the suspension set up properly for the rider!

@daray666 10 ай бұрын

Anna says that riding the dropper partially down isn‘t good for the dropper. Is that really true? Because as a EMTB rider I ride my dropper all the time at different heights and not just fully extended or fully down…

@ivwshane 10 ай бұрын

I say keep the same bike swap but definitely setup the suspension correctly.

@joetaylor2898 9 ай бұрын

@gmbn where is this trail?

@jasonking3111 9 ай бұрын

To be fair you should of done it on a medium in the first place because moving 2 sizes is to much and you can't really tell without having suspension setup correctly because you are 2 totally different weights.

@s.tunafish 10 ай бұрын

Please make the rematch. It would be a much more realistic comparison :)

@nukedathlonman 10 ай бұрын

RE-MATCH!!!!! :D

@robertmernagh4315 10 ай бұрын

You both should give a Medium a spin as a comparison 😊

@crashcoursezed7947 10 ай бұрын

Anna 🥰

@Thedoug369 10 ай бұрын

The size of the bike definitely matters to me, I'm 6'5 and my knees are so bad ( torn all cartlages in both ) that I can't stand up and pedal a bike. I have a 36" inseam so I have really long legs too. Actually it's hard for me to stand on the pedals on any bike I've been on lately. Maybe I just haven't been on the right size bike, what do y'all think?

@sherab2078 10 ай бұрын

Great idea for a rematch.

@averycoolguy6953 10 ай бұрын

Just watching those fox 38's bottom out on every jump, terrified me.

@The2808erik 10 ай бұрын

Getting the most out of the suspension that is how its supposed to be setup. Why Run a 150 Fork if I only use 130 worth of fork makes no sense.

@BigGdh100 10 ай бұрын

Why did you guys not alter the suspension pressure? That would of made a massive difference

@sparkynzl 9 ай бұрын

What about a short bike (best) fit on the worng bikes ??

@2stroke540 10 ай бұрын

Poor test, should've set up suspension accordingly. Hilarious video still. Lol.

@winklertribe5268 10 ай бұрын

REMATCH!!!

@Dawks12 10 ай бұрын

I mean you’ve done this video already multiple times. Like you said at the end The idea to give Anna a size up from hers and rich a size down ie both ride a medium is what this video should have been. Let’s be honest someone 5 foot 2 isn’t going to be debating getting a size large nor is someone 6 foot 1 going to buy a small. The average person between sizes will not find this helpful as it’s too big of a jump between sizes. Plus there’s 2 other videos on this channel that this is repeating.