Questions tagged [freewheel]

The freewheel is a ratcheting mechanism, that coupled with a set of gears, is that threaded onto the rear hub of a bike. The freewheel allows the rear wheel to engage and move when the pedals are spun forward, but coast freely when the pedals are stationary or spun backwards.

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3answers
117 views

What is the max weight an MTB bicycle with a freewheel can handle until it starts putting high stress on the rear axle?

Of course the riding style matters. How hard you go on jumps etc. I don't drive my bicycle that hard. Sometimes i do when im in the mood. My issue is that i am constantly braking my rear axles. It all ...
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6answers
2k views

Why are trigger shifters so widely used, instead of the twisting grip shifters(revoshift)?

I recently rebuilt my whole bike. It was in terrible condition. I also decided to get a new freewheel with more speeds. While i was doing some research and looking through shifters and freewheels, i ...
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1answer
55 views

My rear wheel is wobbling much after around 3 months of use. Is there any fix that i could do it or should i replace the wheel?

So i checked the few available solutions. But in my case when I hold the wheel and shake it sideways it is not wobbling it is firm. But when I ride I can see the tyre wobbling and it looks like the ...
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2answers
127 views

Does anyone know how to take apart this hub to do a single speed conversion

It's a 5 speed joy tech hub. I've tried all but nothing seems to work. Looks like the smallest driver is threaded. Does anyone know how to remove it ?
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2answers
314 views

Should the tightness of the QR skewer (rear wheel) affect the freewheel

The tighter I fit my rear QR, the less freely my rear wheel spins. It’s very noticeable. Problem is that when I have the QR quite loose I tend to get a creaky noise from the rear axle under load but ...
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2answers
318 views

Are freewheels really that prone and susceptible to bent axles?

I'm 90kg (198pounds) and I have a 27.5 hard tail mtb 9 speed freewheel and it is quick release. I only use my mtb as a commuter on roads and never on trail. I run my tires at 35-40psi. Ever since i ...
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1answer
70 views

Which freewheel/cassette for this bike?

I was recently given a mountain bike for free, which I could fix for use by my husband. It is just missing the rear wheel and freewheel/cassette. As far as I can tell it would have been a 7 speed one,...
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3answers
2k views

How can I lower the gear ratio on my son's bike?

I got a SH Commencal 24" MTB for my son. He loves it - except on climbing steep slopes where he runs out of steam. It comes with a 7-speed 14-28T freewheel (Shimano MF TZ21) + Acera derailleur, ...
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1answer
122 views

Is possible to mount an existing freewheel on a fixie wheel?

Would it be possible to mount a freewheel from an existing wheel on thie following type of wheel made for fixies? Or do I need a different axis for the rear wheel such as the one below?
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2answers
753 views

How to get a 7-speed bike with a freewheel on a direct drive trainer

My wife has a 2017 Specialized Alibi Step Through. Specs can be found here: https://www.specialized.com/us/en/alibi-step-through/p/154232?color=&searchText=B6617-7402 I have recently ordered a ...
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2answers
954 views

Is it possible to fit a 36 hole rim to a 32 hole hub?

I recently had my rear wheel replaced because the old one was bent. Everything about the new wheel was correct except that the shopkeeper ordered a 36 hole rim instead of 32 one. Due to this he told ...
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1answer
391 views

SRAM XD driver body wear

I was climbing a steep hill, and all of a sudden my pedals started spinning freely. The freewheel had given up. I removed the cassette and found the XD driver looking like this: The areas around the ...
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2answers
382 views

Freewheel replacement for a touring tandem bike

I have an older touring tandem bike that we use to go on long trips. The gear setup is 3x7. I noticed that we hardly ever use the smallest 3 cogs on the freewheel (of course together with the largest ...
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8answers
4k views

What if both wheels were powered by pedalling?

Only the rear wheel of a bike is connected to the drivetrain in order to propel the bike forward. I assume the choice of rear wheel instead of the front wheel is for stability (e.g. avoiding '...
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1answer
136 views

Freewheel engaging sporadically when turned backwards at low speed

I noticed that when going at low speed without pedalling the freewheel sometimes seems to engage anyway and pulling the chain until there is enough tension ( as the rear derailleur contracts due to ...
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2answers
736 views

Just replaced axle on rear wheel. It is loose at first but as soon as I ride it, it tightens and wheel no longer rotates. Help!

Yesterday, the axle on my rear wheel snapped. I spent today trying to replace it with a new axle of same length. Before doing so, I checked bearings, and they seemed ok. When I put the hardware on the ...
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1answer
453 views

Freewheel with lock ring, what is this?

I rescued a bike from the trash and want to convert from 7 speed to 9 speed. The biggest sprocket has "Lock Ring Type" printed on, so I assumed it was a 7 speed cassette (and I wanted to ...
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0answers
36 views

new freehub body seems too tight after installation

Is it normal for a new freehub body to feel tight. I changed a freehub body on a Velocity hub and it does not spin as freely as I am accustom to seeing on other hubs (and the original Velocity hub).
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1answer
111 views

How to disassemble pinned sprockets from a freewheel

I have a shimano freewheel like this one Picture taken from Cassette Removal & Installation I need to use separate sprockets from it but I'm not sure how to extract them without causing any ...
4
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1answer
431 views

Can a freewheel hub be swapped out for a cassette hub?

I have a very cheap, yet very old, 26" Chinese rear wheel with a freewheel hub mounted on my MTB. The hub, bearings and cones are shot, but the rim is still good. I have two Shimano cassette hubs ...
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2answers
197 views

How I can remove this freewheel (without “destroying” it)?

How I can remove this freewheel (without "destructing" it) ? By "destructive removal" I mean this: https://www.parktool.com/blog/repair-help/freewheel-destructive-removal P.S. I ...
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2answers
1k views

single speed freewheel Shimano SF MX 30 vs Shimano SF-1200

What is the difference between: single speed freewheel Shimano SF MX 30 and Shimano SF-1200 ? Why those freewheels donesn't appear on shimano website? P.S. From the pictures it's clear that the ...
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1answer
45 views

White Industries ENO on a Hope hub

There seem to be two approaches to single speed freewheels: Screw on to the hub a combined freewheel/sprocket combination (eg. White Industries ENO) Slide on a single sprocket to an existing splined ...
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2answers
172 views

Freewheel or Cassette

Can someone help me, I currently have a 9 speed cassette on my road bike, I would like to get another pair of wheels with larger tyres so I can swap easy depending on where I'm going without having to ...
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1answer
134 views

Freewheel and quick release

I got myself a bike to fix up. I changed the freewheel on it but I don't know how to position the nut after I put on the new freewheel. If I screw it on too deep the chain will be too close to the ...
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2answers
248 views

Freewheel threading on Miche flip-flop hub

I'm currently building a parts list for a new single-speed bike. In the process, I came across a nice looking flip-flop hub from Miche: The "Primato Pista/Strada" I figured that adding the fixed ...
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0answers
44 views

Possible drivetrain problem?

I recently bought a bike and upon riding it and coasting for a relatively short time I heard a noise that sounded like the chain sort of clicking louder than the freewheel, then eventually the chain ...
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2answers
183 views

Removing an unusual freewheel

Could someone tell me which tool I can use to remove the freewheel in the attached picture please. I do have a couple of freewheel tools but they don't fit this particular freewheel. Thanks Chris
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2answers
259 views

Looking for advice - cracked rear hub along bearing races - How to buy a new rear wheel?

TL;DR below My bicycle is an old used Trek hybrid (1994?) that I got a few years back. When replacing the tires recently I discovered that my rear axle was significantly bent (not surprising for a ...
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0answers
58 views

My bicycle's rear wheel is wobbling

I have a fat bike (Giant Momentum Iride Rocker 3). It says this bike didn't design for offroading but I have one bike and I use it on single-tracks (not very technical) and doing long trips (about ...
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1answer
103 views

How does one remove a old French (Maillard) sprocket set from its freewheel?

I assume that the smallest sprocket functions as a lockring and has an outer thread that screws into a mating thread on the freewheel. (I also assume that the other sprockets have inner threads that ...
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1answer
247 views

How does one remove the lockring and sprockets from a Shimano MF-HG20 freewheel?

Getting the freewheel off the hub is no problem; what I want to do is to get the sprockets off the freewheel. I have tried tapping the lockring in an anti-clockwise direction with a steel punch, but ...
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1answer
226 views

Can I fit an MTB freewheel onto my road bike?

I am looking to replace my 7 speed 12-18t freewheel on my old road bike to a different 7 speed (something like 14-28t) for easier hill climbs. Is it possible to do so and what are some possible ...
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1answer
136 views

7 speed freewheel

I have 7 speed freewheel on Carrera Zelos. I want to upgrade to 8 speed but can t find any freewheel. How do I do it? Its my first road bike as I normally ride downhills and wanted to mix it up ...
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2answers
245 views

MTB freewheel not moving back wheel after change of tyre

I changed my MTB tyres to a slick set to use on road and also to connect to a turbo trainer. After changing the tyre, I put the wheel back in, and see that the pedals are moving the chain and the ...
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1answer
178 views

Shimano MF-Z012 5 Speed Freewheel Shims

So after 35 years I have removed the Shimano freewheel from my original Puch racer, stripped and cleaned it and put it back together withoit losing any bearings. Phew. It was very gunged up. But ...
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2answers
766 views

Switching a 11 speed cassette+wheel with a 8 speed freewheel+wheel. Any compatibility issues?

I'm trying to get a pair of training wheels to swap out for my race wheels. I dug up a pair of freewheel compatible wheels and I'm trying to buy freewheels now to fit the bike. The bike's drivetrain ...
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1answer
91 views

12-32 freewheel cluster?

Does anyone manufacture a 12-32 7-speed freewheel cluster to replace the current 13-28 on my 20" Dahon, with a view to touring with panniers? If that's impossible, & I decide to buy a 20" freehub (...
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1answer
155 views

Freewheel is not making noises [closed]

Freewheel on my bike is not making any clicking sounds like it used to when I bought the bike from the bike shop. I got the bike serviced last month due to brake making screeching noises and the rear ...
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3answers
153 views

Converting a KHS FLITE 223 into a freewheel fixie?

I have this KHS Road bike that I got back in high school and was wondering if I'm able to convert it into a freewheel fixie (I think that's the right term) The bike does have vertical dropouts. Would ...
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2answers
123 views

Freewheel disassembly problem

This is a cheapo Chinese freewheel, probably from a Walmart bicycle, etc. It's unusually heavy compared to my mountain bike's freewheel. I'm just trying to see if I can disassemble it. It's a learning ...
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2answers
423 views

Over-locknut dimension (hub distance) (cup depth) changed after 10.000km

Recently I wanted to replace my bearings and spotted something strange. My Over Locknut Dimension has reduced by 7mm. You can spot the difference when you compare it to the new hub: Can this happen ...
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1answer
368 views

Got a new cassette and chain, freewheel not working correctly

I bought a new chain and cassette for my road bike. The bike is about 10 years old from estimation (9 speed shimano). I assumed I replaced all the parts correctly, but now whenever I stop pedaling, I ...
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1answer
86 views

Old Cannondale MTB. 2nd set of wheels. Orig wheel has 8 speed cassette…2nd set has a 7 speed. Need advice

OK...need some advice. I have an old Cannondale with 8 speed Shimano XT drivetrain. My current wheel has the appropriate Shimano 8 speed cassette.(13-26). I bought an old Schwinn with the intention ...
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1answer
141 views

Am I able to replace the bolt in the hub to be quick release on a back wheel?

I have this wheel and want to replace the skewer that it is tightened with to a quick release fitting is this possible?
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4answers
350 views

Freewheel removal help

This freewheel has been giving me a lot of pain. I can't seem to move it at all with hammer & punch (clockwise). From the videos, it always seems so easy :P So I'm going to buy a removal tool. Is ...
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3answers
220 views

Reassembling rear wheel hub

I have a ten year old decathlon cheapo bike and I wanted to take out the axle out of the rear wheel to see if I could replace it with a quick release mechanism and also learn a bit about how it works (...
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1answer
371 views

Appropriate oil viscosity for the inside of a freewheel body

Without taking one apart, I have seen people spraying WD40 into a freewheel body to clear it out, and then dripping Phil's tenacious oil into it for lubrication. The thickest stuff I have available at ...
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1answer
56 views

What 5 speed freewheels are compatible with a Sun Rims M13II rear wheel rim?

I have a 1972 Schwinn Varsity. I have purchased new wheel rims. Both the front and rear rims are Sun Rims M13II model rims. I need to know what 5 speed freewheel will attach to the M13II rear rim ...
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4answers
1k views

Terminology: coaster brakes vs free wheel?

I just read this article https://www.tikesbikes.com/pages/coaster-brake-vs-hand-brake and it confuses me. They oppose coaster brakes with free wheels. My understanding is that the opposite of ...

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