10 Common Mountain Bike Tyre Set-Up & Care Mistakes & How To Avoid Them

10 Common Mountain Bike Tyre Set-Up & Care Mistakes & How To Avoid Them

The world of mountain bike tyres can seem overwhelming and confusing; from tubeless set up to tyre choice, here are some MTB tyre mistakes that we often see and how to avoid them 🔧

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50 Comments

  1. Ben Jones on July 28, 2022 at 12:25 am

    I was putting the tyres on my new wheels when I heard Doddy say “fitting your tyres backwards” 🤦 at least I only had to sort out one of them 😅



  2. Andrew Ince on July 28, 2022 at 12:25 am

    Tubeless or not, tape those rims. Gorilla tape is, in my experience, the best stuff. Easy to shape, nice & thick and sticks down firmly. The edge of spoke holes can cut into tubes over time, tape stops this. It also helps trap nipples if a spoke snaps. In this way tape acts like a third hand while you fit the new spoke.



  3. Stephen Alvarez on July 28, 2022 at 12:25 am

    What pump was he using? Looked cool



  4. M Goo on July 28, 2022 at 12:26 am

    Kenda need to get their QC better. I use Kenda and like them, but everyone has snake tread, I’ve yet to have a Maxxis or WTB have that issue. BUT I run them on my XC bike.



  5. uessaloniki on July 28, 2022 at 12:27 am

    #askgmbntech Hey Doddy I got a troubleshooting question. I decided to convert to a tubeless setup with my new bike. The thing is I can’t for the life of me put the tyre on the rim. I tried using tyre levers but although I got the tyre to go in the rim, I tore the tubeless tape. Please help me!



  6. Rodrigo Motta on July 28, 2022 at 12:27 am

    #askgmbn hey Doddy, i noticed that my shimano brake fluid gets super dark after some time. And because i store it in a glass jar instead of dumping in the sink i noticed that a lot of the dirt precipitate after some time and it gets a lot clearer. Where is this dirt coming from? Brakes are good so I assume it is not seal wear…



  7. prusak26 on July 28, 2022 at 12:31 am

    Advice number one: don’t expect to pay 15 quid for TR, DH casing and triple compound (or other proper casing adequate to what you ride, and anything else, than super hard plasticky rubber). Advice number 2: don’t expect a tyre costing 5 times more, to perform 5 times better for average Joe – a lot of people couldn’t tell the difference if their life depended on it. Expensive tyres are still worth it in my opinion, but make sure you know what you’re buying, and what to expect for the price.



  8. Jason Maxwell on July 28, 2022 at 12:32 am

    How much sealant



  9. Activate172 on July 28, 2022 at 12:33 am

    This may seem like a stupid question, but I live in the city and want to use my mtb as a commuter bike aswell.what kind of tires should I use to make it roll faster? Would gravel bike type tires be an idea?



  10. William Grissom on July 28, 2022 at 12:33 am

    Better to not pry the bead over the rim. As for automotive tires, the trick is to keep the bead that is already on down in the valley of the rim, and "pull" the rubber around, with a hand each way, to the final area you are trying to slide over the rim. That should give just enough slack to roll the last part of the bead over the tire by hand. I have the tube slightly inflated ~5 psig initially to hold shape, then vent it for the final install. Then inflate back to 5 psig and push the tire in everywhere to insure the bead grabs. Push in the stem a bit to insure the beads come up to grab the rim, especially on thin tires. Inflate to 15 psig and repeat seating, then fully inflate.



  11. Rupert Wenn on July 28, 2022 at 12:34 am

    Oh…bye bye.Vittoria, hello Kenda?



  12. Rodrigo Motta on July 28, 2022 at 12:34 am

    The "loose valve core bit" is only a problem for the fools running presta valves! No one runs road handlebars on their MTBs! I don’t understand why does the industry insist on using prestas o mtb wheels…those were made for thin road rims!
    Do yourself a favor get a stan no tubes tubeless sherader valve and never worry about your tire valve again!



  13. bob on July 28, 2022 at 12:35 am

    In hot areas (that is to say, NOT the UK), sealant "dries" (slightly) on the inside, and makes a goo-ball that will begin to rattle around after collecting most of the sealant.



  14. BlackFlag94 on July 28, 2022 at 12:35 am

    Doddy, you talk about tyre pressures and 2psi making a big difference. I love the feeling of 20psi front and 23psi rear (Front is a 29×2.6, Rear is a 29×2.4) but I left my tyres at 26 and 30 after commuting one time and set PRs on all the climbs and most descents. The tyres didn’t grip as much as the lower pressure but the clock doesn’t lie.



  15. XavierBetoN on July 28, 2022 at 12:38 am

    My user advice: If you are at the limit of 2 inner tube settings, use the thinner.
    I use 700-35c for my XC, I was buying 32-45c inner tube until this year I tried 28-32c Maxxis inner tubes. It never puncured since start of the year as usually I was getting puncture-a-month before. And putting the inner tube is incomparably easier too.



  16. khoujams on July 28, 2022 at 12:41 am

    fantastic information



  17. Eric Taylor on July 28, 2022 at 12:42 am

    Fun fact, if you don’t line up the label on the tire exactly with the valve, it will explode.



  18. MTB mates on July 28, 2022 at 12:42 am

    #askgmbntech hi doddy I know this isn’t an ask gmbn tech vid but I really wanted to know this, what is the purpose of carpet on a dirt jump???



  19. Island Aerial on July 28, 2022 at 12:43 am

    Nothing about ‘cush cores’???



  20. Husky 701 on July 28, 2022 at 12:43 am

    Anyone running Slime Smart tubes? Any opinions or feedback?



  21. Brian Graves on July 28, 2022 at 12:44 am

    I refuse to line up my graphics. In skateboarding it is common practice to flip your wheels around so the graphics face inwards. Too much fashion in mountain biking as it is. The first thing my tires get is permanent marker over the logo. I already bought your stuff, I’m not going to be your billboard.

    This comment brought to you by Red Bull which keeps me awake on the toilet and Dunlop tires that keeps me tight in the corners I want to thank God and everyone who has supported me through my commenting career and most importantly Mom and Dad for buying me a computer



  22. Bill Johnson on July 28, 2022 at 12:44 am

    One hint with fitting tyres, pump them up to max PSI to help seat the bead. And store your bike with the valves angled down so as any sealant flows back into the tyre.



  23. Terry Fuston on July 28, 2022 at 12:45 am

    Rest of the world needs to learn how to properly spell the word "Tire".



  24. James Wilson on July 28, 2022 at 12:46 am

    I watched many 🎥 on bike everything, but Doddy I gotta tell you, YOU ARE THE MAN!! I got so much from this. Mahalo and Aloha my friend, many safe miles of riding. Later



  25. Luis Rivas on July 28, 2022 at 12:47 am

    Hi Doddy!

    Thank you for this video.
    I have 2 sets of rims. 1 set is used in the dry season and the other set for the wet.
    If I store the unused set, would it be sensible to top off the sealant once they’re back in use?



  26. Игорь Николаев on July 28, 2022 at 12:49 am

    Hi Doddy, hi everyone. I have a question about frame sizing. I am about 186cm and for the majority of bikes, my height is between L and XL sizes. What will be the better choice and what’s the difference how the bike rides? Thank you!



  27. Bruce Hewat on July 28, 2022 at 12:50 am

    I needed this video a couple weeks ago when I converted my tires to tubeless and have been pumping them up ever since thanks to a slow leak.



  28. J. Alberto Gratacós on July 28, 2022 at 12:52 am

    To check on ongoing sealant loss I find that the dipstick method is the most accurate.
    When you install the tire is the only time when you know it has the precise amount of sealant so take a baseline measurement. Write down your measurement (mm or inch fractions). Measure every month or two and inject sealant as needed.
    1. To measure, place the valve at the 6 O’clock position for a few minutes to let the sealant settle – the bike has to be on a stand or upside down.
    2. Remove all air.
    3. Remove the valve stem.
    4. Insert a thin but not flexible stick into the stem until it hits the tire. I use either a 3 or 4 mm allen or a small zip tie.
    5. Look at it as if you’re checking your car oil and measure how much you have in mm or inches.
    6. Inject sealant until your measurement matches the baseline measurement. My target is about 3/4 inch for a 29er.
    This won’t work if you have tire inserts.



  29. carlmons on July 28, 2022 at 12:52 am

    I’m surprised you didn’t mention many treads are meant to be installed one way on the front, and the opposite way on the rear- pretty much every tire with a chevron pattern. If you’re sliding out turning while climbing, your rear tire might be on backward.
    If it’s on the right way, slipping will push the rear toward the inside of the turn, helping maintain grip to finish the climb.
    I was reminded of this when I took my new fat bike in the snow this winter, and just couldn’t ride up hills at all, until I noticed the manufacturer put the rear on the wrong way! Flipping it made a world of difference.



  30. Phil Mean on July 28, 2022 at 12:54 am

    #AskGMBNTech In that last clip you played from a prior show, how did that happen? I never figured it out. How did the air stay in the tire after you took the valve core out, only to explode the syringe when you tried to inject the sealant? A meniscus of congealed sealant at the base of the valve stem?



  31. Esteban Medina1400 on July 28, 2022 at 12:55 am

    Thanks Folks!!! Keep going up an up!



  32. Bob4q on July 28, 2022 at 1:00 am

    A few years ago I wasn’t paying attention and I blew up my thumb when I over inflated and exploded my tire with an air compressor. Ouch!! 🤕👎🏽 Won’t do that again.



  33. Rupert Wenn on July 28, 2022 at 1:01 am

    You can patch inside of (tubeless set up) tyres if the hole is a touch to big for sealant to keep sealed as the tyre flexes in use.



  34. Peter Chittum on July 28, 2022 at 1:01 am

    I had some tyres I was mounting on new rims. They weren’t making the “pop” sound so I thought I needed to just add more air.

    Blew out the tyre. Destroyed the rim bead hook in two places. Fortunately I was wearing good gloves and eye protection. But even the neighbours were wondering what the hell I was blowing up in my garage.



  35. Larry Larhi on July 28, 2022 at 1:02 am

    hi there, since i dont have a close person that knows about bikes who could teach me some things, you guys are really usefull for me and i thank you for that! i love to put my hands on my bike to do as much as i can by myself (bike mechanix are so overpriced here too), and so i would love to get a spoke and overall complete wheel maintenance guide from you! sure i can find some on the internet, but you do it better tbh.
    good luck for the future and cya around (salutations from Paris France) 🙂



  36. Eva Marek on July 28, 2022 at 1:02 am

    I think Doddy should write a manual on how to care for your mountain bike. That along with these terrific videos would make the learning process a little less daunting. Especially for beginners!



  37. Yo Mama on July 28, 2022 at 1:06 am

    Tire* feed your fucking head.



  38. StrongerYou PT on July 28, 2022 at 1:07 am

    Good to see people talking about hellkat pros. Hands down the best tire I’ve ridden. I’ve ridden it back to back with the assegai and the hellkat feels like cheating



  39. SRunningK on July 28, 2022 at 1:09 am

    From my tubeless time I also took a few tips. I’ve gotten into the habit of mounting the tire first "dry" and completely inflate. Normally this works with a reasonable floor pump or in case of trouble just compressed air.
    Only then remove the valve core and deflate and pour milk.
    Yes, you have to pump up twice, but saves a lot of trouble. On the one hand, no mess and on the other hand, if the tire does not pop on the rim, it often does not even with milk and then you have the mess already in the tire.



  40. Karl Contreras on July 28, 2022 at 1:10 am

    It’s hard to find, but my tyre of choice is a fast rolling dual ply tyre. It’s heavy for XC, but less the chance of pinch flat



  41. Mesa3077Boogie on July 28, 2022 at 1:11 am

    I was able to repair several tires that the shops (those douchebags!) said were not reparable due to the size of the rips. Use needle noise pliars to push a thick leather needle feeding bass fishing line through the tire. After you sew it up, cut a piece of inner tube as a patch, spread some shoegoo over it and clamp it overnight and good is new.



  42. Ian Cantrill on July 28, 2022 at 1:11 am

    Tape width has to be slightly wider than the internal width of the rim to allow for the well.



  43. Francesco Urso on July 28, 2022 at 1:12 am

    i ride a 26er xc bike and for my local trails are almost always good low profile semi slick tires (now Schwalbe Racing Ralph), front and rear 🙂 unless it’s wet enough, then i switch to a pair of tires with a little bit higher knobs (Schwalbe Rocket Ron). 🙂 I almost never use mud tires.



  44. Rafern Jay Quijano Iyog on July 28, 2022 at 1:13 am

    #AskGMBNTech
    can i use baby oils on my stanchion for lubricating?



  45. Merijn on July 28, 2022 at 1:14 am

    I didn’t even know there was 10 mistakes to make



  46. A Tole on July 28, 2022 at 1:14 am

    How often do you recommend to replace the rim tape?, thanks a lot!



  47. Joni English on July 28, 2022 at 1:17 am

    My KENDA TIRES LEAK THROUGH SIDE WALLS DOODY !!!!!!!!!!!
    using GREEN SLIME
    on Ritchey VANTAGE WCS Rims 29er



  48. Kukuh Wanengkirtyo on July 28, 2022 at 1:20 am

    It is just a simple tyre…but the devil is in the detail.



  49. fentuz on July 28, 2022 at 1:21 am

    @GMBNTech Why some tyres (schwalbe G One for example) have a front wheel rotation direction (clockwise) and another rear wheel rotation direction (anti clockwise)? is it due to a knob angle?



  50. Jack Jenkins on July 28, 2022 at 1:23 am

    Would love to see a video on different types off road tyres, we have a lot of flat areas in my location, tons of bike paths for long distances, me my misses and kids all use maxxis hookworms, treds we’re wearing down in the middle of the tyre and wasting money on tyres, so switched to hookworms and hey presto, last forever and make riding so smooth and lovely, would love to see a cheaper alternative to maxxis hookworm as they are quite expensive