Why your bike won't accelerate. Bicycle drivetrain failure.
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- Опубліковано 1 лип 2024
- It's a classic situation when you bring your bike to the workshop, we test it and it doesn't want to go.
You get on the saddle, start pedaling, the chain moves, the rear sprocket spins, but the bicycle wheel does not want to gain speed.
This breakdown is inside the bicycle wheel.
Today I will show you the main reason why this happens.
Video without verbal communication, showcasing mechanical sounds. Understandable across languages; follows a DIY video approach.
For those who have a deep love for cycling, this video is a gem.
00:00 Pedaling, but the bike isn't moving.
00:20 Transmission spinning on the bicycle.
00:37 Removing the bicycle wheel.
00:58 Removing the bicycle cassette.
01:39 Bicycle freehub turns backward.
01:53 Removing the bicycle hub axle.
03:26 Removing the bike freehub body.
04:47 Inside view of the bicycle freehub.
04:57 Magnetizing tool.
05:48 Removing the bike freehub shell.
06:55 Damage and defects on the inner surface of the freehub.
08:04 New, undamaged bicycle freehub shell.
#bicycle #freehub #bike
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Write in the comments, what you would like me to do in the new video.
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Ask your questions in the comments
👇👇👇 - Наука та технологія
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Superbe vidéo et belle investigation pour découvrir le problème de vitesse !
Taki czyściutki rower ktoś przyniósł a wewnątrz taki dramat. Wada materiałowa skorupy bębenka.
Tak więc ten model tulei ma jakąś wadę fabryczną w wolnej piaście. Nigdy nie kupuj tylnych tulei shunfeng😃
Glad to see you retain that tool for opening the freeub body. I kept my own because the one used by the rest of the shop was usually in bad shape.
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Muito showww! Ganhou um inscrito!!!
Thank you for your feedback 😽
My guess as to why this happened is that excessive play developed that wasn't addressed, leading the outer FH body to wobble and cause the pawls to hit the "teeth" (not sure what they're called) on the inside of the outer FH body at an angle and gradually chisel away at them and wear them out so there was no longer enough metal to engage, causing the pawls to slip. Although, the fact that the cogs appears to rotate at different speeds in the first part of the video suggests that perhaps there was an issue with the cassette or FH splines as well.
Thank you for your comment! 😘 Almost all freehubs from this manufacturer have some kind of defect
좋은정보 감사합니다!
친절한 리뷰 감사합니다!😽
The weird thing is that the damage is not evenly distributed. I am curious about the state of the chain which was used to cause such a damage to a freehub body.
For some reason, this bushing manufacturer has a high percentage of defective freehubs. The bike was used for one season, the chain and cassette were still in good condition
tego kanału szukałem!:)
Miło nam powitać Cię na naszym kanale 😺
👍 from finland
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Isso acontece quando não se lubrifica devidamente as partes internas do free Hub. Todas as parte que ficam em contato precisam estar fubrificadas pois quando decemos uma ladeira sem pedalar o atrito e tanto que Azula tudo, o ideal é colocar uma graxa mais firme na carcaça interna e afinar a graxa com óleo e colocar nos macaquinhos e na mola.
obrigado pelo seu comentário!
Compartilhe meus vídeos com seus amigos, isso ajudará no desenvolvimento do canal! 📈😘
Acabou a embreagem 😂😂😂😂
😂😂
Można wiedzieć jaka to piasta? Wydawałoby się, że dość solidna na łożyskach maszynowych, a materiał bębenka z plasteliny.
To może być Novatec z aluminiowym bębenkiem bo mają 3 zapadki ale głowy nie daje sobie uciąć
@@ernesturbanski7751 Wcześniej dostałem tutaj odpowiedź od autora, że są to chińskie piasty Shunfeng. Nie wiem dlaczego ten post zniknął.
Donde puedo comprar el nucleo el buje el del minuto 7:00 nuevo ? Y muchas gracias si me pudieras pasar el link
Es mejor no difundir enlaces, afecta negativamente al canal.
Consulta con tu tienda de bicicletas
@@NiceBikeService muchas gracias amigo y por cierto trabajas bien padre
Cual es la medida de las bolillas interiores del piñon? 1/4??(wath is the size of internal balls? 1/4??
En milímetros, mide 3,175 mm
5:45 なんか、この聖域に踏み込んだ感じ好き
コメントありがとうございます！
私のビデオを友達と共有してください。チャンネルの発展に役立ちます。 📈😽
Co trzeba zrobić żeby tak zmielić bębenek 😂
영상잘봐습니다.
저는 시마노sxl구동계사용합니다
주행중에 패달을 정지하면 턱하는문제가있거던요
질문을 드려봄니다
동영상을 만들어서 보여주는 것이 좋습니다.
Wow this just happened to my Scott hard tail 940 and th bike is pretty much new smh idk what to do
I sympathize with you. You'll have to look for a new drum for your hub, and if not, you'll need to re-spoke the wheel.
Warranty?
The warranty is from me
you should have noticed the irregular operation in the beginning and then serviced the hub-reshape sprogs and teeth
Can’t you just replace the free hub?
When does this type of damage happen? Any ways to prevent it?
It happened to my hubs when I pedal on uphills using heavy gearsspeed.
Does greasing more often help prevent this problem from happening?
@@andrelange9877 You could grease your freehub body everytime when you change your cassette, but there is a specific freehub grease for it. Too much or the wrong grease and the pawls can not move properly.
@@MrBoxershorts16 I thought I should grease the freehub when I feel the pawls tic-tic noise gets louder to the point the neighbors can hear me arriving home after pedaling.
@@attheendofthedayx2933 true, I've experienced it
こんなにも欠損したシマノのフリーハブ映像は初めて見た。どんな乗り方したらこんなになるんだろう
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You should NEVER colect balls with a magnet. This makes bals magnetic and they'll collect all steell dust. Also do not mix balls from inside and outside rings
Thanks for the advice, we didn't even think about it🙀
Grease and oil collect steel dust...what shall we do?
both side balls are the same dimension, why not mix?
@@makantahi3731 "the same" they are only brand new. outer and inner row works with complitly different load and conditions. And even after 1000km they have different wear. It really matters
@@Oleksii_Popov I disassembled many cassette bodies and did not notice any difference in the wear of balls, cups and cones. All these parts do not carry any weight, but only the force of the chain and that only while the cassette is at rest, so the cassette does not rotate while under load, unlike the main bearings which carry the weight of the bike, the rider and all reactive forces due to bumps in the road. In the cassette there are 25 balls(shimano/mostly) on each side and all parts are made of very hard/hardened steel. The only thing to watch out for is that the same number of balls that were taken out are returned to each side.perhaps only one side would wear out if the end gears were constantly driven, for example the first two or last two gears, and even then there would be no wear as in the main bearings, but there would be a depression from the balls in the cone or cup
I guess it's because of no grease inside? Or maybe because of age?
No, because of very active riding, when you bang the bike pedals sharply on the cogs,
@@NiceBikeService I see makes sense
if the owner had come earlier, it could have been saved
It's just that the quality of spare parts is so poor🙀
@@NiceBikeService i destroyed a few deore hubs from 2000-2010.
Kup se ostre koło
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乱暴乗り過ぎ😢
ボトムブラケットやスポークも点検した方が良い
おそらくね。このバイクの主な仕事はフリーホイールだった。
Я знаю ти з України)) потрібно було одразу міняти ту задню втулку) вони довго не живуть)))
😺
asmr?
🔴 ❓ 🔴
*ASK YOUR QUESTIONS*
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외국인 더 많아요 ㅋ
댓글 주셔서 감사합니다! 😘
Let's remove the disc because it will bend.
Que lerdo para sacar 25 bolillas anda
???
bruh
😁