Converting A Retro Mountain Bike To Single Speed - 1990 Carrera Katmandu

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  • เผยแพร่เมื่อ 18 ธ.ค. 2024

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  • @liamthomson8787
    @liamthomson8787 5 ปีที่แล้ว +23

    Doing a conversion like this one on an old MTB that’s been lying around my garage for years. So glad you made this video for a beginner like me to easily understand

  • @TheMainCore
    @TheMainCore ปีที่แล้ว +4

    Finally, someone explained it in a way that make this project seem fun and doable! Totally gonna convert my "new" 1998 Cyclepro with trashed gears.

    • @MonkeyShred
      @MonkeyShred  ปีที่แล้ว

      Good luck! Hope it works well for you!

  • @virgilfulton4426
    @virgilfulton4426 5 ปีที่แล้ว +28

    Love the splatter paint jobs on early 90's bikes... that one's got an awesome one.

  • @davidt8546
    @davidt8546 4 ปีที่แล้ว +2

    Converted an old Rockhopper and love it. Whenever I see an old MTB now I see a potential SS

  • @timetravelfilms727
    @timetravelfilms727 5 ปีที่แล้ว +7

    Thanks I didn't know those tensioners existed, would have kept the original derailleur as a hack tensioner. But this one is lighter and tidier. Great work.

  • @davidt8546
    @davidt8546 4 ปีที่แล้ว +2

    Shimano 11.99 7-8 speed chain works very well with narrow wide chainring. 32 to 16 tooth ratio

  • @kristiandawe85
    @kristiandawe85 5 ปีที่แล้ว +5

    You could also use a eccentric bottom bracket instead of a chain tensioner for a single speed conversion, it worked amazing for me.

    • @kevinfromsales6842
      @kevinfromsales6842 5 ปีที่แล้ว

      Kristian Dawe is that the same as elliptical chain rings?

    • @rob-c.
      @rob-c. 5 ปีที่แล้ว +2

      Patrick Todd eccentric bottom bracket allows you to move the ‘centre’ of the bottom bracket forwards or backwards, by rotating it within the shell. The centre is offset, so by rotating it around what would be the normal centre you effectively shorten or lengthen the necessary chain length - in the same way you would slide the rear axle back and forward within a horizontal dropout.

  • @bink281
    @bink281 5 ปีที่แล้ว +8

    I went with no tensioner on my Rockhopper (vert dropouts) using magic ratios. Looks like you might have accidently had a magic ratio yourself. Even cheaper and looks great!

    • @stockton350
      @stockton350 5 ปีที่แล้ว

      Greg Miners half links can come in handy sometimes with these builds

  • @liamsheehan4514
    @liamsheehan4514 3 ปีที่แล้ว +3

    I love your videos and how you keep everything simple but descriptive yes calm and I alway love to see the thing you come up with I’ve been watching almost Daly for the past month or 2 but just noticed I didn’t sub yes but i fixed that but I’m 16 with the dream job of haveing a bike shop filled with my own custom bulds and I just resent became a bike mechanic and they took me in quick and I’m surrounded by extremely talented mechanic but when I’m at home I come to listen to your wisdom and learn even more about bikes so keep it up

    • @MonkeyShred
      @MonkeyShred  3 ปีที่แล้ว

      Thanks man! Good luck in your job!

  • @ericsanquist
    @ericsanquist 4 ปีที่แล้ว +2

    the easiest way is to use the front sprocket and set the chain on it then put some spacers on the rear wheel then just make sure you have spacers on both sides of the rear sprocket then
    adjust the amount of spacers of the rear sprocket are even on both sides to center the sprocket that should match up about right then with the front sprocket just and enough spacers to clear the frame

  • @mutos82
    @mutos82 5 ปีที่แล้ว +1

    beatiful frame. I love 90s bikes.

  • @paulvangorp8621
    @paulvangorp8621 4 ปีที่แล้ว +1

    Just had a fixed gear for the second time. My gearbox broke down so lifted them off and shorten the chain I used some wood and a new gear form a back gearbox. Fixed it to the frame. It makes noice but only spend 2 euro's on the gear and 4 euro on the bolts. Spend 6 euro total... That's a fix

  • @RadioSnivins
    @RadioSnivins 5 ปีที่แล้ว +2

    Did you wangle the tensioner click?

  • @craigrobinson83
    @craigrobinson83 4 ปีที่แล้ว +1

    @monkeyshred. What did you do to get rid of the clicking from the tensioner?? As have encountered the same problem

    • @MonkeyShred
      @MonkeyShred  4 ปีที่แล้ว

      Double check the chain alignment and the alignment of the wheel itself (on the tensioner) on the chain.

    • @craigrobinson83
      @craigrobinson83 4 ปีที่แล้ว

      @@MonkeyShred sorted, it was the loop guide on the tensioner, I just moved it around till the click stopped! 😂 Thanks for the reply!

  • @jonienglish3231
    @jonienglish3231 5 ปีที่แล้ว

    i converted my 1992 Alpinestars AL-Mega to DISC BRAKES
    used the OEM Mavic 213 added newer 6 bolt hubs , made a TAB got a LOCAL Welder to TIG on to the FRAME and used a Exotic fork aluminum 445

  • @Ivlodded
    @Ivlodded 4 ปีที่แล้ว +1

    Nice little guide!

  • @JogieGlenMait
    @JogieGlenMait 5 ปีที่แล้ว +17

    1.75 playback speed to save time. :)

  • @islander5901
    @islander5901 5 ปีที่แล้ว +1

    Is there a follow up video to this SS? Like how you find riding it etc.
    I do all my ss set ups by eye. Works fine

  • @virgilfulton4426
    @virgilfulton4426 5 ปีที่แล้ว +1

    It appeared to me that the chain "retainer" (the little bit that circumferences the chain at the point where it hits the initial tooth of the chain tensioner) was coming into contact with the largest part of the chain, on the bottom side. Cool idea for a project... was it specifically built to meet a certain customers needs? Do you know if that detail on the chain tensioner is specific to the type of chain width you use?

    • @MonkeyShred
      @MonkeyShred  5 ปีที่แล้ว

      It was built mainly so I could do a video that I haven't done before to be honest! I checked the chain tensioner specs out elsewhere after and found "apparently" it's for 8/9 speed chains. I happened to have a 9 speed chain spare to threw that on and it seemed to quieten down. Not sure why the 1/8" was so noisy though.

    • @antonioporras5161
      @antonioporras5161 5 ปีที่แล้ว

      Like adding a baseball card that clicks on the rotating spokes. Let's people know that you're coming. 😊

  • @jcnredpizzawindow2219
    @jcnredpizzawindow2219 4 ปีที่แล้ว +1

    Love the measuring mate but for a guy in Cali that’s lazy at math I just eyeball it! Lol but mo power to you. Gonna convert a old Diamondback somebodies gave me. Was thinking of tape instead of grips though just to be different and some sweet bar end caps.JC

  • @bishankagrawal2948
    @bishankagrawal2948 ปีที่แล้ว

    What if you don't use chain tensioner?

    • @MonkeyShred
      @MonkeyShred  ปีที่แล้ว

      If you don’t use a tensioner and the chain is loose… it’ll come off

  • @fgv3357
    @fgv3357 5 ปีที่แล้ว +1

    Can beach coaster bicycles also be called single speed?

    • @inorganicintelligence-IoI
      @inorganicintelligence-IoI 5 ปีที่แล้ว

      Fede Juarez Yes, if there's a single front chainring and a single rear cog. Coaster brake bikes are a fun alt. single-speed build. Easy to maintain, and fun to skid on.

    • @RuezgaDaniel
      @RuezgaDaniel 5 ปีที่แล้ว

      Yes. They have a single gear, so they are single speed. Fixed gears are also single speeds. Have a good one!

  • @zacundem7394
    @zacundem7394 4 ปีที่แล้ว +1

    not related to the build in any way, but the guy doing the build sounds very polite

  • @jedisentinel1499
    @jedisentinel1499 5 หลายเดือนก่อน

    Is that a 3x7? I didn’t quite catch it but are you using the same chain for the single speed?

    • @MonkeyShred
      @MonkeyShred  5 หลายเดือนก่อน

      It should be originally yes. This video is pretty old so I can’t remember what chain I used but you can use 1/8” or the narrower 3/32” chain. You’ve just got to match the sprocket and chainring to the chain. A 3/32 chain won’t go on a 1/8” chainring/sprocket but it will work the other way round, although it might be a bit noisier.

  • @Fixed_Sprint
    @Fixed_Sprint 5 ปีที่แล้ว

    Converted Mine into a 9T 52T track bike. I replaced One The Chain-link into half link.

  • @DAllan-lz3lg
    @DAllan-lz3lg 5 ปีที่แล้ว +1

    I had the same annoying click with the guide on the tensioner so I just removed it. The chain stays on fine.

  • @sportsandeverything4792
    @sportsandeverything4792 3 ปีที่แล้ว

    Is the mtb has a threaded sprocket

  • @BruceChastain
    @BruceChastain 5 ปีที่แล้ว

    not sure, but maybe loosen the tensioner axle and make sure it's centered on the chain right.

  • @telhobby
    @telhobby 4 ปีที่แล้ว

    Would this chain tensioner work if it was a fixed gear and not a freewheel?

    • @corynardin
      @corynardin 4 ปีที่แล้ว

      I don't know from experience, but I have heard that chain tensioners are not strong enough for fixed. Particularly when stopping or pedaling in reverse.

  • @maggiebest08
    @maggiebest08 ปีที่แล้ว

    Completely satisfied.

  • @BruceChastain
    @BruceChastain 5 ปีที่แล้ว

    looks good, I like how you bothered to get the chain-line right. But looks like a pretty low gear ratio.

  • @DavidLopez-bz4rj
    @DavidLopez-bz4rj 5 ปีที่แล้ว +12

    Now replace the seat with a cactus to avoid sitting

  • @betotrono
    @betotrono 5 ปีที่แล้ว +2

    For my fellow Yanks watching this video: "'Bob's your uncle' is a phrase commonly used in United Kingdom and Commonwealth countries that means 'and there it is' or 'and there you have it.'" (I figured that part out...) "The origins are uncertain, but a common theory is that the expression arose after Conservative Prime Minister Robert "Bob" Cecil appointed his nephew Arthur Balfour as Chief Secretary for Ireland in 1887, an act which was apparently both surprising and unpopular. Whatever other qualifications Balfour might have had, 'Bob's your uncle' was seen as the conclusive one."

    • @MonkeyShred
      @MonkeyShred  5 ปีที่แล้ว +1

      And for my fellow Brits, this is apparently why we say it!

    • @betotrono
      @betotrono 5 ปีที่แล้ว

      @@MonkeyShred Wellp... Bob's your mother's brother...

  • @LewisRawlinson30
    @LewisRawlinson30 5 ปีที่แล้ว +2

    Looks like your idler pulley is for 5/32"

  • @C345OFR
    @C345OFR 5 ปีที่แล้ว +1

    Just passing on some useful info: 'vintage' is 'of the period', whereas 'retro' is 'of a _later_ period, harking back'.

    • @MonkeyShred
      @MonkeyShred  5 ปีที่แล้ว

      I don't know if the caustic soda fumes have gone to my head but I'm not understanding this fully. Retro is OLDER than vintage?

    • @C345OFR
      @C345OFR 5 ปีที่แล้ว +2

      Haha, no mate :-) - your bike is from 1990 so is 'vintage'. If Carrera makes a Katmandu in, say, 2020, that uses the exact 1990 styling, that would be retro.
      The way I remember it is the word 'retrospective', which is like: 'from now, looking back'

    • @MonkeyShred
      @MonkeyShred  5 ปีที่แล้ว

      Ah haaaaa. I never realised that. Interesting!

  • @mokotramp
    @mokotramp 3 ปีที่แล้ว +1

    Proper Carrera!

    • @MonkeyShred
      @MonkeyShred  3 ปีที่แล้ว +1

      They did make very nice bikes back in the day!

    • @mokotramp
      @mokotramp 3 ปีที่แล้ว

      @@MonkeyShred Got one sat in my workstation as we speak! Always on the lookout for a cheap Quattro!

  • @kris4645
    @kris4645 2 ปีที่แล้ว

    Lol
    You can actually tension the chain on those dropouts! I ride 2 bikes, with the vertical dropouts like that one,and no chain tensioner! How?
    You gotta play around with the different cogs!

  • @mrmrlee
    @mrmrlee 5 ปีที่แล้ว +1

    Why not just get a tensioner with a roller rather than a geared wheel?

  • @stevendearing4619
    @stevendearing4619 4 ปีที่แล้ว

    Very good video

  • @martinwakawaka5265
    @martinwakawaka5265 5 ปีที่แล้ว +4

    Converting without Cleaning????????

  • @inorganicintelligence-IoI
    @inorganicintelligence-IoI 5 ปีที่แล้ว

    +MonkeyShred How did you decide on a gear ratio for this build? Is it good for dirt trail climbs? Thanks.

  • @searchingshropshire
    @searchingshropshire 3 ปีที่แล้ว

    I would of used a chain tensioner that hangs from the frame. Doesn’t have a cog instead it’s a hard rubber wheel.

  • @DavidLopez-bz4rj
    @DavidLopez-bz4rj 5 ปีที่แล้ว +2

    I removed the pedals and gears. Flintstones cant be wrong.

  • @matiavio
    @matiavio 4 ปีที่แล้ว

    great Video!!! thanks :) easy to understand!! :)

  • @quietgamer3736
    @quietgamer3736 4 ปีที่แล้ว

    Why can't you just cut the chain to size?

    • @MonkeyShred
      @MonkeyShred  4 ปีที่แล้ว +1

      You can't always get the right chain size just by cutting it.

  • @Jeommin2
    @Jeommin2 4 ปีที่แล้ว

    It’s pretty pretty

  • @mariuskaupas
    @mariuskaupas 5 ปีที่แล้ว

    There was definitely space to tension the chain with a half link...

  • @aneeshkb369
    @aneeshkb369 5 ปีที่แล้ว +1

    Katmandu is a city in nepal...

  • @gurkajpeg
    @gurkajpeg 5 ปีที่แล้ว

    i like water trucks and moster trucks

    • @gurkajpeg
      @gurkajpeg 5 ปีที่แล้ว +1

      walter

  • @petersymons7817
    @petersymons7817 3 ปีที่แล้ว

    Thank u

  • @mastresonjecklehyde2977
    @mastresonjecklehyde2977 5 ปีที่แล้ว

    " GHOST GEAR " IT ...

  • @paultinajero9733
    @paultinajero9733 5 ปีที่แล้ว

    Cool!!

  • @albertoflora5402
    @albertoflora5402 5 ปีที่แล้ว

    choll fico top

  • @pierrelarouge
    @pierrelarouge 5 ปีที่แล้ว +4

    I'll never understand how downgrading ever became a thing in cycling, its like taking a PC and saying now today we're gonna turn this PC into a single stick of ram PC and remove the video card ect..

    • @DavidLopez-bz4rj
      @DavidLopez-bz4rj 5 ปีที่แล้ว

      Stupid people

    • @andreicristian1625
      @andreicristian1625 5 ปีที่แล้ว +8

      On an old bike, changing gears is not so fun as on a brand new Scott let's say. Singlespeed, if made correctly, is durable, maintenance-free and quiet, unlike a multi-geared bike. Btw, you can't compare Bikes to Computers and Watermelons to Apples. So mind your own business and hate somewhere else

    • @DavidLopez-bz4rj
      @DavidLopez-bz4rj 5 ปีที่แล้ว +1

      @@andreicristian1625 If you think it is fun not having gears. .. When I was a kid I made hundreds of km on one gear. I can asure you it is everything but fun. Maybe in your country there arent steep hills...if you live in Holland you can go everywhere on one gear. Here where I live, north of Spain people would laugh at you if you screwd your gears. As I said, stupid idea.

    • @pierrelarouge
      @pierrelarouge 5 ปีที่แล้ว

      @@DavidLopez-bz4rj Exactly when i was a kid I was so excited to get a bike with actual gears, and Cristi a geared bike doesnt take hardly any maintenance either and is quiet.

    • @andreicristian1625
      @andreicristian1625 5 ปีที่แล้ว +2

      However, it was his decision to go singlespeed. You cannot judge him for that.You cannot judge anyone for riding single and no one cand judge you for riding geared. Actually, he made a pretty good tutorial, thumbs up for him.

  • @kris4645
    @kris4645 2 ปีที่แล้ว

    Okay, music is kind of spoiling the whole video 😢

  • @Josecruz-zg2hk
    @Josecruz-zg2hk 4 ปีที่แล้ว

    I need single speed

  • @crowman8914
    @crowman8914 5 ปีที่แล้ว

    No point to use a chain tensioner with that single speed fuck that cry once and cut that shit

  • @paulkazjack
    @paulkazjack 4 ปีที่แล้ว

    Jockey wheel!!!!!!

  • @iamyourfuture808
    @iamyourfuture808 4 ปีที่แล้ว

    Couldn’t ride it with that annoying click

  • @mlongob
    @mlongob 3 ปีที่แล้ว

    please clean your parts mate

  • @ashleighmason4982
    @ashleighmason4982 4 ปีที่แล้ว

    Geez, at least clean the thing before installing new parts. For me that bike looked perfectly fine in it's original shape...

    • @MonkeyShred
      @MonkeyShred  4 ปีที่แล้ว

      It looked fine to me too. Unfortunately, it wasn't selling so I had to do something different.

    • @ashleighmason4982
      @ashleighmason4982 4 ปีที่แล้ว

      So maybe go really bonkers, put on it a fixed gear with 1:1 ratio and learn some artistic cycling? That would be something special 🤸

  • @Beans-he3xi
    @Beans-he3xi 5 ปีที่แล้ว

    “Wherefore he saith, Awake thou that sleepest, and arise from the dead, and Christ shall give thee light.” Ephesians 5:14 (KJV)
    Wake up. If you do not have Jesus Christ, if you neglect so great salvation, then you are in darkness and on your way to everlasting flames of fire, where the smoke of your TORMENT will ascendeth up for ever and ever (Revelation 14:11, KJV).
    "He that believeth on the Son hath everlasting life: and he that believeth not the Son shall not see life; but the wrath of God abideth on him." John 3:36 (KJV)
    "That if thou shalt confess with thy mouth the Lord Jesus, and shalt believe in thine heart that God hath raised him from the dead, thou shalt be saved." Romans 10:9 (KJV)
    Only if you repent of your sins and receive Jesus Christ will you be saved from the judgement to come (John 3:15-18; John 8:24, KJV). Jesus paid the price of our sins so we wouldn't have to (1 Peter 2:24, KJV). Receive His free gift of eternal life--only through Jesus can you be saved, it is not of our own works, lest any man should boast (Ephesians 2:9, KJV).
    Do not oppose yourself, let go of your pride, self-righteousness and the foolish wisdom of the world and call upon the name of the Lord and be saved (Romans 10:13, KJV). There's so much more ahead of us for those of us who are truly saved and born again (1 Corinthians 2:9, KJV).

    • @target3842
      @target3842 5 ปีที่แล้ว +6

      not here.

    • @postiephilip
      @postiephilip 5 ปีที่แล้ว

      The equipment that you removed from the bike looked brand new. Think I would rather have the gears. The conversion to single speed is very interesting to learn about and more complicated than I thought. Now it's a great all weather run around. Thanks for sharing your knowledge.

    • @target3842
      @target3842 5 ปีที่แล้ว +3

      @@postiephilip agreed. all he did was install shit anodized alloy parts from china.

    • @postiephilip
      @postiephilip 5 ปีที่แล้ว +1

      @@target3842 shit parts is a bit strong. I think they are OK for winter or wet riding as the will have a hard life. So better parts are wasted if use in those conditions.

    • @lancehatch4475
      @lancehatch4475 5 ปีที่แล้ว +1

      He could have bought all of the parts from Paul Components and spent hundreds to do the same thing. It probably wouldn't work any better than the cheap Chinese parts.