Stem Length Explained | Mountain Bike Fit

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This week we look at the different stem lengths and how they will effect the control and comfort of your bike over different terrain. Subscribe to GMBN: http://gmbn.eu/Subscribe Neil and Marc look at different stem lengths and give you some advice on the best stem for your bike, taking into account the geometry of your bike, your preferred type and riding and your body dimensions. Watch some more great videos on GMBN: Our full playlist of MTB maintenance videos: http://gmbn.eu/mtbmaintenance GMBN's 10 essential mountain bike tools: http://gmbn.eu/2o Click here to buy GMBN T-shirts, hoodies and more: http://gmbn.eu/gmbnshop The Global Mountain Bike Network is the best MTB YouTube channel, with videos for everyone who loves dirt: from the full-faced helmet downhill mountain biker to the lycra-clad cross country rider along with everyone and anyone in between. With the help of our pro and ex-pro riding team we’re here to inform, entertain and inspire you to become a better mountain biker, including videos on: - How to ride faster with expert knowledge - Fix everything with pro know-how - Ride anything with world-cup winning skills - Dial in your bike with bike set-up advice - In-depth entertaining features - Chat, opinion and interact with us on the Dirt Shed Show Welcome to the Global Mountain Bike Network | Covering Every Angle Thanks to our sponsors: Canyon bikes: http://gmbn.eu/Canyon SCOTT bikes: http://gmbn.eu/SCOTTbikes Crank Brothers: http://gmbn.eu/crankbros GT bikes: http://gmbn.eu/gtbikes Ass Savers: http://gmbn.eu/asssavers Smith Optics: http://gmbn.eu/smith YouTube Channel - http://gmbn.eu/GMBNsubs Facebook - http://gmbn.eu/GMBNFB Google+ - http://gmbn.eu/GMBNGplus Twitter - http://gmbn.eu/GMBNTW Instagram - http://gmbn.eu/GMBNIG GMBN Shop - http://gmbn.eu/gmbnshop Leave us a comment below!

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I am 6' and have just put 800 bars with a 40mm Stem (Renthal Apex and Fat Bars) on my large Orbea Rallon x10 160mm travel All Mountain bike, I have kept the old 760 bars and 60mm stem just incase I don't get on with them. Anything to look out for other than getting out there and riding to see if it feels right to me?

Im 13 5.4 what bar width should i get I currently use 630mm

Won't changing stem length stuff up the geometry of my bike?

Hi, my Uncle handed me down a Shogun Trail Breaker 2 Bike. Is this a good bike? I haven't got a mountain bike, only a BMX, and also know that this bike is fairly old... but is it alright for a beginner, especially as i got it free? Thanks!

nice tips...but how many mm of stem is the best for enduro?

Hey guys, thank you for the video - it has been very helpful. I'm having a dilemma though, hoping someone can help me clear it up. I currently own a superfly 5 with stock Bontrager stem/handebar. I'm looking to change things up a bit to make my steering sharper for downhills and make my uphills a bit easier (I loose speed on downhills because I'm having a hard time on sharper turns, and uphill is getting exhausting because of how much momentum I loose). So my current specs are: 5mm rise 690mm handlebar, 6 degrees 80mm stem, and 27.2x400mm seatpost. I'm looking to buy a 3/4 inch rise 725mm handlebar and a 0degree (or 10 degrees) x 70mm (or 80mm) stem. I guess the question I have is, should my stem be 0 degree or 10 degrees, and should my length be 60mm, 70mm, or keep it at 80mm? I could also alternatively get a 1/4 inch rise on the hadlebar if that changes anything.

Thank you guys appreciate it ... keep up the good work

What if u put 35-50mm stem to a trail bike and dont replace the handle bar??

My trapezius muscle gets tired while riding my Scott aspect 940. My height is 180cms. Would a shorter stem help me?

I have a 110mm stem and a 640 mm bar. Thinking about going for a shorter stem. Any length suggestions? Would I need a longer bar to compensate?

i just bought a nerve 9.0 size S which comes with a 70mm stem. I'm 5, 7 (170CM) and had to replace it for a 20mm longer one because i felt very narrow on the bike and my wrists took quite a beating after a 2hrs ride. Now it feels quite better but still biomecanis indicate i should fit on a longer one. i don't trust canyon pps all that much, maybe i should've bought m size. i ride a bit of everything, climb, descent, trail etc. whzt would you say i have to do? thanks

I have a short stem

HI GUYS,

I use a Canyon Spectral (size M = upper tube 596mm, reach 430mm), my "problem" is my inseam of 87cm (at 1.75m) = very long legs and short torso.
Right now I have a tendency to move too far back on steep terrain and not getting enough grip on the front wheel.
Does it make sense to break with the general rule a bit and go for maybe 40mm stem for the trail bike?

What stem length would you recommend for a 140 mm trail bike with a 750 mm wide bar?

What about flipping your stem upside down

nice man

With most newer Enduro (AM) bikes having a 65 degree HTA, a 50mm might be necessary to get balanced even when going down steeps.