Are You Too Short To Ride A 29er MTB? | Ask GMBN Anything About Mountain Biking

Are You Too Short To Ride A 29er MTB? | Ask GMBN Anything About Mountain Biking


– Right, new year, new questions, Doddy. Got help from this man
today to do ask GMBN. – Sounds good to me. – Lots of good questions, got some tacky ones as well, so you can help me out with these. Alright, Greysen Thweatt kicks it off with saying he’s thinking about
getting the NS Snabb, which is a 150mm 29er. He tried a YT JEFFSY 27.5
Crankworx and it fit good but I’m only four foot 11. It’s definitely on the
short side of things, about two foot shorter than you are. So do you think the 29er would be too big? He likes doing jumps and
whipping the bike around and plowing through the rough stuff, so, what about a 29er? – Definitely good for plowing
through your rough stuff. Not bad for jumping, I
don’t think, but I think your movement’s gonna be limited. – I’ve never been a big, what I’m saying, size-wise, it depends on
your wheel size, your height. But I don’t know, maybe
that, four foot eleven. You are gonna probably put
your bum into the rear harder. – That’s what I think, that’s your biggest issue, isn’t it? And getting it settled
down low enough as well. There’s quite a lot of travel on a bike. Especially one on a size small frame, whatever it’s gonna be. Hard to say to be honest,
without trying it. – I would say probably try it. The one thing, I love 29ers
for almost everything. The one thing I don’t like as much is always jumping, cause I
just want to move the bike and ride it a lot. They’re more stable, so if
you’re maybe an average rider, sort of intermediate, then
it’s probably gonna be less bucky and less want
to move around on the bike. However, if you want to
throw it around a bit, then the 29ers aren’t as good for that. Okay, Realking, can you put
any width tire on any rim? For example, if my bike comes with 2.2s can I put 2.4s on it? – Yes, you can. Within reason you can go and
put like a three inch tire on a really skinny rim. Simply it’s not enough support for it, it’s gonna roll around
but, pretty much you can. – 2.2, 2.4’s not huge
difference at all is it? – Nah, it’s fine. Yeah, a bit more volume. – Someone actually asked this for us. With a really good thing. Pyroultimate says, on the DT Swiss website you
can go to their support page and they have a rim tire compatibility. So that’s more a
recommendation, I would imagine. ‘Cause they say wider rims
do suit the wide tires a bit better, but not
say you can’t run them. Okay, Damanik Alfiano, have you guys ever had a flat
tire and not bring a tube? To the point that you have to
walk back down the mountain? – I’ve riden back down a mountain on a tire with a flat before. – I was gonna say, ’cause
that would be my reply. I did it the weekend actually. Went to the Atherton’s Bike Park. It’s super slaty, I was
running trail tires. Ripped my tire, boom, gone. It’s like, gonna take you
an hour to walk down, so. – Gotta coast down. – Gently coast down. Most of the time it’s alright, isn’t it? If you’re riding on dirt–
– I think so. – And your tire’s there, you
don’t do the tire the best– – No, yeah, you’re gonna
trash the tire, pretty much. Yeah, and if you’re unlucky,
you can trash the rim as well. – Yeah that’s one thing to be careful of. But I’ve definitely done that a few times. But we’ve got some hacks
from this man himself to get you out of trouble. – Despite all the innovations in bikes, one of the things that
brings everyone to a halt is the puncture. Now it doesn’t matter if you got tubeless, or you’re running an inner tube. Something like a side
will slash like this, it’s gonna bring you to a stop. So, you can’t just fix this
by putting the tube in it and pumping it up, ’cause
the tube’s gonna bulge out the side and that will
puncture very quickly. So what you need to do is
find a method of patching this up, just enough so you can get home. Now Park Tool make a thing
called the tire boot, which is effectively a
giant puncture repair patch. And that’s the best
thing that you can get. And it costs a few quid but, they’re worth keeping in your riding pack. – Alright, next question,
from Alex Mason MTB. Can I put DMR’s extra long pins in my Crankbrothers Stamp 3’s? – I don’t know without
trying it, to be honest. – The DMR Terror Pins are M4s, which I’m almost certain
that’ll be the same for the Crankbrothers ones. The problem comes with
the pitch of the thread. ‘Cause it has knot .7 on this. So I’ve done this, I’ve
got those pitched thread, thread pitch measurers, and they got little teeth things, sort of stick them in. That’ll be a thing to use
if you have one of those. Or if you just line up the pins, you should be able to see a difference. But you don’t want to just wind them in if there is a wrong pitch ’cause it’ll muck the threads, won’t it? – Yeah, of course, the pedals soften and the actual bolt going
into there, knacker that out. – Yeah, so be careful,
but they may well do, is the answer to that one. Drew Hartman, is it bad to lock out your
suspension for a big impact so it doesn’t blow through the travel? Can it blow out the seals? – No, it won’t blow out the seals, but you’ll damage the shims on the inside if you do it for a long time. – I’ve always wondered
this, I’ve heard that. – It’ll work, but. – That’s the case if
you’ll actually damage internals eventually, or– – They just get a bit floppy, pretty much. It’s just a series of shims and the more that they have
to try and resist moving, they just get a bit bendy. – Okay. – So they can be replaced,
it’s not the end of the world, but it’s not ideal. Lockouts will blow off, but you shouldn’t just run
it like that the whole time. – So potentially if you locked them out and did a massive landing, or is it just time, repetitive? – I just think just over time. I’ve got a commuter bike, and that’s locked out permanently. And the lockout didn’t
work very well in it. Just from a long time of riding. – Henry Powell, he’s
got a tricky question. Can you swap bolts for a
quick release on my wheels. So he wants to get rid of the bolt through for a quick release. He’s got a DMR Jump Bike
and it’s a pain to keep on having to straighten the
wheel at the perfect angle and tighten the bolts. So, we must be talking
about horizontal dropouts– – Yeah, sure. – I think you probably can’t. – I think it depends on the axis as well. So if it’s a jump bike,
if it’s got like an M4 M5 bolt to screw into the axle,
the axle might still be hollow. And that might be right,
to put a quick release in. It totally depends on the… Did he say what wheel? – No, although DMR at the moment, they only do 24 inch wheel jump bikers, it’s definitely got big bolts on it. – There might be a conversion
kit for the hub as well. – Is it gonna help? My initial idea, you
know those chain tugs? – Yeah. – So I don’t think you get them
from mountain bikes though, he’s talking about BMXs where you could– – There must be a way. – Adjust the way of your
how straight your wheel is and then you tighten the bolts down. So you’ll never have the problem with the rear wheel moving around. – I’d bet you get a
certain chain tugs to fit, the only issue you might have is if there’s not enough bolts to cut out for the nuts to hold them
on, so it can be quite bulky. Definitely worth a look though. – But I don’t think the quick release is the way to fix this. I don’t, personally. – No, more likely to slip, to be honest. – Jim Gibbons… Is that a question? He’s got a hybrid with 700CC tires and he wants to switch them
to something more aggressive. ‘Cause he’s commuting on the bike, he wants to ride some light single tracks. I want to go the 2.1 Cross Country. What is the equivalent in mountain bike? A 29er? 27.5? It’s 29er, is it? – 29er really, yeah. – 700 just means it’s
probably quite a thin rim, I would’ve thought. – Yeah, it’s down to rim size. It’s just weird because
inches and French sizing and things like that, 50B,
and 700C, all that stuff. – But a relatively narrow
cross country 29er tire should work pretty well. – Yeah, like a 1.9er or 2
inch or something like that. – Question from Furiousnoob. Where can I watch the
EWS and The World Champs? I guess talking about UCI at cross country and downhill stuff there. – Yeah, all the UCI
stuff that’s on Red Bull. So it means if you’ve got Apple TV, you can watch it on there. Or you can stream it usually
from your phone to Smart TVs. – Smart TV app or online. EWS, they don’t have live coverage, although, they do have sort of live news on their Twitter and on their website, that you can follow to
see what’s happening. But the day after the race
there’s always a pretty substantial video comes out, gives you all the news about that. Okay onto correct me if I’m wrong, where you lovely viewers
upload your videos using our uploader, which I come out to try and give you some tips. The name of this person is MTB. So, I don’t know who that is. – It’s quite original. – Yeah, this in the PWC
bike park in Joburg. – Oh nice. Get quite a lot of South African entries, that’s quite cool. – The description says, this was a very generous man
who showed me how to do it, but please correct me if I’m wrong. So somebody showed him how to do it. Check it out, it’s a
decent sized drop-off, that MTB is riding. – [Doddy] Yeah, it looks
alright actually, doesn’t it? Body weight looks quite good
on there, good position. – Yeah! Yeah, sliding the bike
forward, which is always good. Just to get that bike out in front of you, don’t let the front wheel drop too much. You got two versions here, so two different, same
drop, two different times. What I think you do see is it’s not completely consistent. It’s always trying to nail the landing, with two wheels at the same time. Whereas the second one it does
go nose down a little bit. So I would say, practice a bit, get that consistency up,
but, looks pretty good to me. – Yeah, nice and smooth. – What’d you reckon the bike, Doddy? – Bike looks pretty good,
is that a Cove, isn’t it? – I don’t know, actually. – It looks like a Cove
or something like that. It’s nice, it might be a Pyga actually. – Ah, well there you
go, South African bike. – Yeah that’s good. Bike’s obviously looking like it’s working really well there, but perhaps you could
learn to try and absorb more of the impact yourself, always helps ease it up on the bike. – Nice one, keep sending in your videos via the uploader and leave
your questions down below. We might get to them next week hopefully. If you want to see a funny video about us messing up
our lines and swearing, well particularly me swearing, click over here for that one. – And click down here if you want to see loads of funny mountain bike crashes. – Thumbs up for GMBN
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