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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1answer
68 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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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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Should I replace all wheel bearings when only some are worn?

I just ripped apart my mom's mountain bike's rear hub. One of the bearings was incredibly rough, so I replaced it, and the other one was smooth, but didn't turn very easily. Since I didn't have a ...
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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 ...
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1answer
170 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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Old freewheel removal

I have an old rear wheel - I think its from a Raleigh Arena roadbike from the late 70s or early 80s. There are broken spokes that require the sprockets removed to access. I've done this plenty of ...
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1answer
88 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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151 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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34 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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152 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
93 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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2answers
172 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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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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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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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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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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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
118 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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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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how to reassemble mountain bike rear wheel hub and bearings

So I thought I would sort out my wheel bearings (after asking a few questions here first). Did the front without much of a problem, (reused the existing bearings at the moment, had not got round to ...
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4answers
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Why is my freewheel slipping?

My freewheel tarted slipping this week. It slips most from a stop with no pressure snapping to significant pressure on the pedals. Slipping may be the wrong term as it really isn't engaging. Once it "...
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940 views

Is there such a thing as 'eBike specific' freewheel?

I've recently had the LBS replace the freewheel on my eBike after 500 ish miles of riding. The sprockets were not worn out, instead the freewheel bearing (not the hub bearing) had become loose. It ...
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2answers
199 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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2k views

7 speed cassette on a direct drive trainer from freewheel bike

In 2011, I bought a cheap bike from Walmart. It's done fine by me on the ride or two I take per year, but I'm looking to enhance my home gym a bit and was looking to grab a direct drive trainer. The ...
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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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618 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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Why are higher-end freewheels so much louder when coasting?

I tend to ride relatively modest gear (Tiagra/Ultegra), but when I'm riding near higher-end bikes, I sometimes notice that the clicking sound that comes from their cassette/free-wheel while coasting ...
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1answer
57 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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111 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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151 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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Reverse Gear in Bicycles

For an ordinary bicycle (neither fixed gear nor capable of changing any gears). Is it possible to modify it to have a reverse gear on it? (i.e. reverse pedaling causes the bicycle to go backward) (...
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4answers
195 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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11answers
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Is there such thing as a freewheel that doesn't click?

The clicking sound of the freewheel on my singlespeed when it's coasting is annoying for me, so I flipped over my back wheel and rode fixed for a few months in blissful silence. But having to pedal ...
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2answers
101 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
207 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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4answers
12k views

Removing freewheel MF-Z012 without tools

I'm trying to just add some grease to an old MF-Z012. some pages online says i can remove it just by spining the first gear agains the last one.(e.g. http://www.cyclebanter.com/showthread.php?s=...
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189 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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Could I replace a hub on a wheel?

I have a freewheel and I keep bending the axle, however the rim, spokes and tire are all fine, does anyone think it would be possible to unscrew the spokes, buy a new hub that has a freehub, install ...
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60 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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2answers
2k views

What tool do I need to disassemble this 5 speed freewheel

I have a 5 speed freewheel that I need to take of from hub, but the standard freewheel tool that I do have does not fit. On the freewheel following text is engraved: UC SHIMANO SIS MF Z015 China It ...
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1answer
71 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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3answers
173 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
141 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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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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1answer
287 views

Replaced rear axle, now seems to wobble

I was replacing a tyre a couple of days ago, and noticed my rear axle had snapped. So I replaced the axle, just a normal road 10mm x 145mm, it's a basic Shimano sprocket set and no-name aluminium ...
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683 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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13k views

How to remove this Shimano cassette (actually: freewheel)?

A neighbour approached me to help him with removing the cassette from the wheel in the picture below. I am familiar with the modern Shimano lockring but would appreciate tips how to remove this one.
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Rusty chain and back cassette – Replace or repair?

Reference of the chain: KMC Z51 Reference back freewheel: Shimano TZ21 14-28 Teeth 7 Speed Reference of the bike: BTWIN Rockrider 340 I recently acquired a second-hand bike and decided to repair it: ...
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3answers
6k views

How do I clean the inside of a freehub?

I didn't know any better and I let degreaser drip into the freewheel body of my Shimano FH-RM65. Now it makes a terrible retching noise when it rotates. How do I clean the inside of this thing? I'm ...
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2answers
427 views

Swap Shimano/SRAM freehub for Campagnolo

Through my work I am able to get a set of freewheels pretty cheap (less than 100€). I know they are not super special but they are still an upgrade to my current ones. Here are the wheels: https://...