This TIP Actually Worked!
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- čas přidán 1. 07. 2024
- Tips to single speed your bike in the field.
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I've replaced many a b-screws because the screw is too soft and the head simply deforms. So I bought a bulk lot of stainless metric Allen head bolts with the same thread but slightly longer than a normal b-screw. The 3mm Allen key head makes them so easy to adjust. Put some copper grease on the threads when installing to prevent them seizing. The limit screws are generally too short to replace the b-screw.
How jn the world are you destroying so many B screws? Use a JIS screwdriver and pull the derailleur back while turning the head. I’m a full time wrench and I’ve never had this happen. Even on the cheapest low end Walmart bike derailleurs I’ve never stripped a B screw, nor been worried that was even a possibility.
I always carry a few extra links in my puncture repair kit. Over the years i have been able to get people home on their bikes,rather than do the walk of shame. A few times using my chain splitter,as a lot of people dont seem to carry them. It is such a nice feeling to help,a stranger in need. 😊
As you tinker with your deralieurs quite a lot, I can imagine that the bolt and the thread got fatigued.
When you adjust the B limit screw, you never do it against the force of the deraileur! Lift it off with your hands and adjust the screw without any tension on it.
I just got TPU tubes to try out for the first time and as I was about to put them in my seat bag I realized I wanted something to protect them a bit. I ended up wrapping them in two disposable gloves, so I will have gloves when I work on the bike.
Great tip about folding the chain to remove it.
This is a classic fix for busted derailleurs. Good call on carrying some bits and bobs as just in case. Some other useful items to stash:
Wrapping a length of Gorilla or Duct tape around your pump can provide useful.
A few small pieces of Tyvek or FedEx envelope to use as a boot
A tenner in the patch kit- we all ride remote, not everywhere will take a card.
I always got money with me in case I need to stop for a beer...
Inflation. $10 isn't near enough.
I always carry a couple of pairs of nitrile gloves. Never get my hands dirty handling the chain and when you pull them off and turn them inside out they can be stuffed back in my pannier to dispose of at home.
I had an RD break many years ago at the start of a bike tour, about 20 miles from home. It was in the 5sp days, so just broke out the chain breaker, shortened the chain and rode back home single speed. I had to pick a fairly low gear as the bike was loaded with touring gear.
I set up my chain without quick links. Just need a chain breaker.
Try the Wippermann Connex link. It's a tool-less design.
interesting design
But you'll still need the tools to punch out the broken link and pins etc...
The time I removed a derailleur, shortened the chain and single-speeded it, what surprised me was how much the chain wants to pull itself into a straight chainline. If I used a smaller sprocket than the one that was inline, after a few miles of riding the chain would ride up to the larger sprocket and then lock because it was too short for that sprocket! So I learnt you really have to pick a gear that gives you a good chainline even if it's too spinny etc.
Great tip to open the quick link. I've done it before using normal mini-pliers but it was a PITA. And raining, naturally.
That quick link trick is filed away immediately. Thanks for sharing it.
Super helpful, Russ! Thanks for sharing. I had no idea about the quick link removal tip.
Great tips, thanks. My crankborthers tool has an integrated chain breaker which is very handy. Also I always carry gloves for working on broken bikes. Too many greasy hands before that. My derailer on a folding bike got mangled by a branch, but after 45 minutes of sweaty work I was able to get it operational enough to finish riding. You definitely have to take some breaths and calm down.
Bump for the crankbrothers tool! I've also used it for a field repair to remove a broken quick link and reassemble the chain by pressing a pin back in.
Actually I ditched the Crank Brothers multitool because the chain breaker was difficult to use particularly when you need to push the pin out completely.
I was going to pack my chain breaker and some quick links in the handlebar bag a few weeks back but I never got around to it. Forgot. That changes today! Thanks. Cheers. 👍
My additional tip is to always carry a spare derailer hanger. It often brakes instead of rear derailer. If if does, your rear mech might be saved, buf your stll screwed without a spare.
In the mid '90s, the industry didn't have replaceable hangers, at least not for my bike. I replaced the hanger bolt in the derailleur with a machined aluminum bolt, designed to break. It saved my aluminum GT bike once. It is; however a more difficult process to replace a hanger bolt than to replace a hanger.
Glad you shared your problem and fix. I could probably use the adjustable horizontal dropouts on my old Trek that way. I used to always carry a chain breaker and a spoke wrench when out exploring roads. The spoke wrench came in handy more often with broken spokea and again with a bashed rim from a pot hole.
It always felt frustrating when that stuff happened but it was good to be self sufficient on my bike. I've got to get them back in my seat bag. Thanks
Go Russ! Way to McGyver your way out of that scrape, and then teach us how to do it. Good content!
Excellent advice! "Seek shade." Also drink water and touch grass. I would never think of bringing a chain breaker tool along. Now I know what to do if I'm ever in a similar situation. THANKS! Pairs of quick links! Who wold have thought! (not me, that's for sure.)
Whenever I make adjustments to any b -tension screw, I move the derailleur body in such a way that there's no load on the screw when you make your adjustment.
When I started cycling I made myself a pretty comprehensive repair kit, but didn't include a quick link tool (quick links weren't common then). Since then, I have started carrying a spare quick link, but haven't added the removal tool - that is definitely going to change! I like the look of that Wolf Tooth tool you showed.
glad to hear you got it fixed, small things can definitely turn a fun ride into a longer day of unwanted adventure. having a few spares and the right tools make these kind of fixes easier. ive used the barrel side of the shift cable at the adjuster on the derailleur, just pass through the barrel and clamp as usual allowing a gear or two of adjustment by turning the barrel. this can also have the benefit of getting rid of the cable if it was the issue due to a fall etc. you might find that creating a small loop of cable is necessary but i will just smash, cut, fatigue the cable till its short. keep on loving them two wheeled adventure machines.
Excellent Tips! Thank you so much!!❤
A nice reminder for me to order more quickie links🤔
I have multiple bikes, but not every bike has this spare in the kit.
Have that park tool also, but should probably get a couple extras since mine is likely to be with the bike that’s at home 🤦🏻
Something similar but less severe happened to me. 30 miles into a 96-mile ride, my rear derailleur cable failed. It was Sunday, and no bike shops were open. I pushed in the limit screw to choose a middle gear on my cassette. I had a triple chainring, so that left me with 3 gears. I should have chosen an easier gear in the rear. I hit some very challenging hills, and my lowest available gear was 54 inches. I survived, and I even learned a new hill climbing technique as a result. But when my ride was over, I was terribly exhausted. I will make sure I have quick links and a chain breaker in my bag. I think I do, but I will check, thanks to this video. Also zip ties!
I just carry a spare cable. Better to just replace the cable at the road side and get back all your gears. Takes no longer to fix than messing about with a chain breaker and then having just one gear. If you have a front derailleur a rear cable will also do to replace a front cable. Coil the excess cable and secure up out of the way with a bit of duct tape, zip tie, wire, etc.
@@rogersinclair2772 Yes, a gear cable is worth considering to carry. I didn't use (or need) a chain breaker. That's for problems like Russ's which was different from my problem. But actually, I had not broken my cable, I had broken the housing. Who carries spare housing?
@@tomreingold4024 Right. Understood. That does kind of stuff any chance of a roadside repair. Good thing that you had the triple up front to provide some flexibility but still a 54 is a nightmare in the hills. Not surprised that you were exhausted.
@@rogersinclair2772 Yup, and I really was not well conditioned for that ride. Well, it was an adventure, and I learned from it. It's good just to say I survived. Believe it or not, I pedaled up all of the hills. I discovered I could use my good balance to keep going. I stood up and pedaled super slowly. Now I use that technique from time to time, and I learned it out of necessity on that day.
@@tomreingold4024 We Brits call riding out of the saddle, standing on the pedals, "honking". The French term is "danseuse", dancing on the pedals, a much nicer image. I am not sure why it is called honking. Possibly because honking is a British slang term for vomiting. By the time you have struggled to the top of the hill you definitely feel like vomiting. Anglo-Saxon vulgarity as opposed to French sophistication.
Again, no wonder you were exhausted. Anyhow, that which doesn't kill you makes you stronger. Or so they say.
That…banging the link with a tool is great….never thought of it. By the way…be patient, finding that right gear combination is a real pain…..it was for me anyway. Keep the videos coming….love this channel (have for quite awhile) !
Will definetely keep in mind how to break the chain links. Thanks for the advice!
I like to replace all the adjustment screws on the rear mech just as a precaution. I too have had to single speed my mnt bike. Cornered too close to a small tree stump and ripped the rear mech right off the bike about 10 miles from home. The quick link hack you demonstrated will come in quite handy for the next Murphy's Law bike ride incendent.
I set up my bikes without the quick link. All that I need is a Park chain breaker, which goes everywhere with me.
How do you shorten a chain on the road? Unless you're using 8-speed chains, you can't reuse a pin. You always need to use a brand new pin or a magic-link.
Very helpful. Thanks.
I think I have a very similar Deore RD and the B-screw on mine is decent… maybe, luck.
Anyway if you don’t have spare quick links you can rejoin the chain with any of the pins: you need a bit of precision so definitely worth to find a comfortable place and some calm to work, but it does work and will get you home (or much further).
M4 25mm socket cap screws. You're welcome.
One tip is to have a different colour quick link than the chain, easier to find and gives you a starting / finishing oiling reference point. I go for grey chain and gold quick link, cheaper than a gold tooth
Breaking a quicklink by hand while in a jam feels good. Nice ss conversion russ!!! Welcome to single speed party pace life
Hmm...Russ must have been a Boy Scout...or...he has learned the best way... through experience. Well-done, sir.
the youtube school of learning 😂
Boy Scout Motto: Be Prepared.
Been doing this for over 30 years... I always carry a couple of multi links and a few normal links as well as a chain breaker and multi link pliers (just started carrying the Topeak Power Level Pro). I'm a great believer in practicing your skills, so I'd suggest people practice their chain repairing skills on an old cain rather than trying to figure it out on the road. Also test your tools make sure you know how to use them and that they work correctly. I have come across a couple of chain breakers that do not fully push the pen through, which is fine if you are just adding or removing links, but is problematic if you need to use a multi link.
Glad you got out of that one and nice thinkin' with the extra links. Correct me if I missed something but it seems everything was fine except for the b screw ejecting, and the threads on the derailleur we stripped out so you couldn't just pop a limit screw in there. What I don't understand is why you couldn't simply leave the derailleur on the bike and just shorten the chain. I'm not sure about this derailleur, but on older derailleurs I always found extra b-tension by inserting the b-screw from the opposite side, screwing it in front to rear. I'm not sure that would have helped. Just some thoughts.
Back before the invention of quick links, we would just use the chain breaker to break the chain and then drive the pin back in using the same tool. With practice you can get a feel for when the pin is in the right depth. I like quick links, but the chain breaker is a more essential tool. And +1 for waxed chains.
Was just talking to a friend about this a couple days ago. Good info if you're not used to having to fix this kind of stuff.
You can remove a pin using a nail and a wooden stump, place the chain flat on stump and bash the pin till its flush with side plate then use the nail to drive it further through,the pin goes into the wood, take care not to drive it completely out. This works best on 8 and below chain where the
pins are intended to move, a grinder might be best on more modern chain
I need to remember this when going out on trips with the family.
I've never ejected a b screw, BUT I had issues with multiple 9 speed Tiagra derailleurs backing the lower limit screw out and then sending the chain into the spokes. The fix was the newer design in the Sora 9 speed derailleur when that was released. 🤷🏻♀️
thanks
If you dont have adjustable drops you can make simple chain tensioner from per bottle and some wire. Or from a spare spoke
A guess a spare b screw wouldn't be a bad thing to carry. Worth mentioning, if your derailleur cable snaps but it otherwise is functional, adjusting the lower limit screw is a simple way to singlespeed a bicycle without having to faff with the chain.
I ride Campy 10 speed, which requires a specific Wippermann speed link, but always carry Shimano 11 speed as well, because it is the most popular chain width and there's likely to be someone in your group or on the road that needs it. One time I bailed out a teenager on a 9 speed with an extra universal link.
Recently had the shifter snap in half in the middle of a long ride - I stuck it out in the hardest gear! I couldn't use the small cog on the front, as the chain was too slack in that combination (I almost never use the small cog, except on hills, so never bothered to check it would work). Very interesting to see what you can do with a few small parts in the tool kit. 🤔
Another option is to carry a single speed rear tensioner (like surly singleator or dmr sts), relatively cheap and doesn't weigh much
Easier to setup than magic gear, especially if you don't have sliding dropouts
Had my rear derailleur completely explode about 25 miles into a ride just a week ago. Derailleur was in 2 pieces with a section of chain bent and tangled in the cage. I had a crank Bro’s tool with a chain tool and was able to single speed the remaining chain and made it back to the start.
Yikes. I have this derailleur on one of my bikes. Great chain tip though. Glad you worked through it.
Some floss or zipties/string run thru the opposite side of the chain links and a quick tug and the quicklink will pop right open.
Or two thin Allen keys
Only in my imagination have I considered an emergency single speed, but with my early Eagle SX rig I thought it was a possibility. Wolf Tooth pliers with extra quick links and a cheap chain breaker on my long day ride and touring bike. The SX-GX I have had don’t like the weight and torque demands of touring in hill and mountains. Going with 2x9 CUES this winter.
No shade on the methods used in the video.
They worked.
Alternatively, I might consider leaving the derailleur in place, by using a piece of wire, tyrap, or something else that is available to keep tension on the chain.
This of course will vary depending what the failure was and the design of the bike and derailleur.
When you don’t have a shop full of tools and parts, whatever works is what works.
Nothing wrong with a nice long walk.
But walking sucks dragging a broken bicycle and all your buddies have left.
This didn't happen to my bike, but while on an audax a few years ago a rider in my group had his rear shift cable break inside the housing which was internally routed. As a result he was stuck in the biggest gear (smallest cog). I carry always zip ties with me. Using the zip ties I was able to tie the RD such that it stayed in a single gear the rider could pedal. It was just a matter of arranging the ties to counter the spring tension in the RD. I think in the case of the B limit screw, I would have probably tried to find something the right thickness to wedge in the place of the B limit screw then zip tie the RD mounting arm to the chainstay to keep the tension. Not ideal, but I'd still have gears.
Hey Russ
This has happened to me.
Further TIP
Carry UV block out,
Why?
UV block out is great for removing grease from hands after messy chain handling. Rub the blockout through your greased hands and wipe off with a clean tissue.
Cheers mate
Marshall Innes
Australia
I found my rear derailleur stuck between the spokes.. As you said.. take a break. Eat and drink something, and then with some gentle force I could bend it somewhat back and create a stable condition with 1 speed (well 2 because I could still use the front derailleur.. somewhat). No tools needed (I think) Luckily it was the last riding day of my trip and only like 7K from basecamp. So all in all I was lucky.
Also grass (especially when wet) is pretty decent in removing grease stains from your hands. (now I pack some latex gloves as well)
This will happen on my next ride. Thanks, Russ...
I have the same derailleur and eye b screw has been fine. It seems to be an ordinary stainless screw.
you had a chainbreaker on you. If you have a chainbreaker you dont need quicklinks or any special tips of how to disconnect quicklinks without pliers. just use the chainbreaker to shorten the chain or reattach links as needed. that's what its for. Quicklinks just make it more convenient and less fiddly.
For 9 and more speeds you also need a special pin to re-connect the chain. You cannot do this with the pin that was pushed out to open the chain. I mean it is doable, but the chain is highly likely to break in this spot.
@@KubaMroczynski no you dont. you can push the same pin back in and it works perfectly fine. Certainly well enough to get you home or to a repair shop, which was all that was required in this case.
Maybe the manufacturers say you shouldnt, but they also say you should never reuse a quicklink after disconnecting it, which he did in this situation so who cares
@@Hephera it is only safe for 8 speed and yes, before quick links this is how it was done, because this was 8 speed era. For 10 and 11 it is very unsafe, ask any experienced mechanic. The chain can snap. Of course it is not 100% but still wouldnt risk. For 9 speed I am not sure but would prefer to be on safer side as Shimano does have special connecting pin for 9 as well. Those special pins are do much cheaper then teeth. And weigh close to nothing.
Please take a look at the Vecnum stem if you can!
Great tips, thanks! I wonder if you were worried about a busted derailleur if it would worth carrying a single-speed adapter/chain tensioner. They're like $20 on Amazon. Would definitely save a few steps in the repair process, and might even let you manually switch gears.
if you're going to that much effort you could just carry a spare derailleur
@@Hephera Yeah, except then you have to hook up the cable and adjust it and all that.
glad that nothing happened to you :) im a fan of "having and not needing" then the other way around so i have always a full set of tools, spares and 2 chainlinks / you can also take a shoelace or something similar to open a quicklink
Hi Russ. Thanks for this tip. By the way, since you broke your Deore M5120 Rd, will you replace it with the same model or will you replace it with other rd, Can you still recommend the m5120 rd for gravel riding?
Im planning to replace/upgrade my m4120 rd to its next higher version w/c is the m5120 because, like you, i experienced the same thing, the b screw screwed up!!!😅
Thank you.
can you please change the Omnium cargo bike from mountainbike handle bar to drop bars incl. right shifters and break levers? Or maybe a bullhorn/moustache with mountain shifters and break levers?
Bravo
i always have a single speed chain tensioner just for situations like this.
How are you and Laura adapting to the heat in Spain? I have been told that there is not a lot of air conditioning in many homes in Spain. I am not sure if that is a characteristic of the apartment you are renting. I believe that is the reason behind the siesta as it is just too hot that part of the day historically and without air conditioning there is no point to move about.
mate had an X0 mech that would break the ally B screw tab every ride! He replaced it with steel from an X5
I see a problem with this solution though. For me anyways. I use a 1x8 Sensah - Shimano drivetrain. Standard issue qr dropouts. Single speeding my bike would be a respectable challenge if not impossible with such limited gear options. Perhaps an eccentric bottom bracket for just in case purposes...
russ, did you see that schwalbe is pushing a new tire valve standard?
hi bro, will you make a video about soma fog cutter v2 review
Yes
I had the same issue BUT my chain kept shifting to the smallest gear and beyond in the back and there was no way for me to avoid that. Anyone any tips?
possibly left the chain too loose, removing an extra link or two so it doesnt have enough slack to jump off the cog you put it on
I must be buying some shit quick links, because I can easily pop them apart with my bare hands. Never had a problem with them though.
Heads to the shed to double check EDC bike kit….
B for butter bananas B screw...
Interesting failure. I had a R7000 front derailleur that stripped out both limit screws. (Made me a 1x convert). Maybe a genetic Shimano design flaw?
MacGyer
Always carry rubber gloves!
I feel like you must have watched a lot of MacGyver as a kid
Sooner or later mechanical things break.
Everything breaks. Atleast they cost a fraction of a a piece of electronic derailleurs.
You could always start the ride with just one gear. No B screw to give up the ghost. Great info though, even for a fixed gear aficionado. I especially like the quick link trick you shared. I love the sliding dropouts on your frame!
I call this channel "The Bike Contrarian" because everything is always harder than it needs to be in attempts to fly against consensus. 1:47 Just take the chain off the chain ring and use your chain breaker.
As long as you actually have another quick link to put it back together, sure. He did, but your method uses up one more than otherwise might be needed.
@@TheJohnreeves why would you need a quick link? you have a chain breaker.... you can use a chain breaker to push the roller back into the chain as well as remove it. you dont "use up" a link. youre not actually "breaking" anything when you use a chainbreaker
Agreed. What is this obsession with quick links? All you need is the chain tool and a spare couple of inches of chain. Worked for generations of cyclists.
@@rogersinclair2772 chains have changed since the last couple generations of cyclists. 11 speed chains aren't exactly the same. Maybe it'll work, maybe it won't. Use a chain tool if you're out of options though!
@@TheJohnreeves You just need to carry a few links of a chain matching the one fitted. When you replace a worn chain you usually have to shorten it to fit the bike. So there are your spare links. Got more than one bike then carry chain links appropriate to that bike in that bikes toolkit. Just like you would carry a different inner tube for a 700C or a 650B.
You are doing exactly what codax29 said: making everything harder than it needs to be.
Has the energy gone out of cycling? Seems like the boom is over.
Thoughts?
SpareUDH mech hanger,x2 quicklinks,8 link chain,chain breaker,chainlink pliers,all in a small tin,weighs nothing,will save your bacon!
I think Vegan cyclist posted this on insta. He used his shoe to get the quick link apart.