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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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Shimano 105 thru-axle freehub FH-R7070: freewheel body servicability and separately orderable?

I'm searching for a replacement freewheel body for my bike. The only marking on my freewheel body is 18-d-3 11S Internet search did not yield useful results for this string. Searching for Shimano ...
try-catch-finally's user avatar
4 votes
1 answer
180 views

Periodic bang on bike freewheel

First of all, this is a great community :) I have bought a trek FX 1 Stagger recently, and there is one problem which I’m not sure how to address. There is a noise coming out of the freewheel whenever ...
Claudio's user avatar
  • 59
1 vote
2 answers
85 views

Can't remove my hyperglide cassette

How can I remove my cassette? I've been planning to replace them for a while now but can't really remove them, no matter what I do. Im using a SHIMANO FH-TY500 hub, paired with a SHIMANO TOURNEY 7-...
Clayde's user avatar
  • 79
0 votes
0 answers
58 views

How to replace a band (hub, drum) brake with a freewheel

I am looking to convert my bicycle into a semi-electric bike by adding a freewheel. The 2 freewheels will allow me to use either pedals or an electric motor to move the bike. However, I don't have ...
user1314404's user avatar
5 votes
2 answers
693 views

I need help fixing my axle

Here is my bike: https://www.trekbikes.com/gb/en_GB/bikes/hybrid-bikes/fitness-bikes/fx/fx-1-disc/p/27987/ What appears to have happened is that the axle through my hub has sheared off due to some ...
Joe Hearsey's user avatar
7 votes
2 answers
2k views

Is there any reason why my 21-speed bike has 118 chain links?

I got a second-hand bike some time ago. It's a Zündapp Silver 2.0 with a 7-gear freewheel (Shimano MF-TZ21). Recently, the chain (probably KMC 1/2 x 3/32) has worn down enough to warrant changing. So ...
skytreader's user avatar
1 vote
1 answer
62 views

BTWIN MyBike add 7-speed gears

I have a Decathalon BTwin MyBike. I plan to add a 7-speed freewheel gears I've seen MyBikes with a 6-speed freewheel, was wondering if 7-speed is possible
Mellow Monk's user avatar
8 votes
2 answers
2k views

Catastrophic hub failure, can the freewheel and rim be saved?

I am not experienced working on wheel hubs/cassettes or anything related to them. I am also not great at English, so please excuse any dumb questions I might ask. The obvious problem is that my rear ...
hansenC's user avatar
  • 81
1 vote
0 answers
292 views

Which tool is required to remove an 8 notch freewheel from a single-speed flip-flop hub?

I have a single speed freewheel on a flip-flop hub that I would like to remove to service the hub. It has 8 notches, which tool do I need to remove the freewheel? Here is a picture of it on the bike: ...
Mark Aroni's user avatar
2 votes
2 answers
602 views

Are freewheels compatible if they have the same number of sprockets and teeth?

I'm a novice to the cycling world and am wanting to learn to do my own maintenance, so I'm quite unsure of a few things. More specifically, I have a Dahon Eco C7 foldable bike that I got used and was ...
Iceape's user avatar
  • 123
7 votes
2 answers
126 views

Freehub removal

I need to remove this freehub (see picture), to replace a broken spoke, however, it is an old bike and I am unsure how to proceed? I've managed to removed the cassette using a chain whip and a 32mm ...
Luna 's user avatar
  • 73
4 votes
2 answers
159 views

What type of freewheel remover do I need for this one

this is a Louis Garneau 20inch bike wheel
Kevin Auclair's user avatar
0 votes
1 answer
55 views

Halo freehub body 10 teeth need part number or correct description

Hi all you've been all helpful so far, I need to order one of these, please see attached pic: It is a hub part from HALO COMBAT wheel 10 teeth, I cannot find correct part number or description, I need ...
Virmantas's user avatar
0 votes
0 answers
36 views

Front wheel making a tick noise with each rotation ans the wheel does not run freely when spun by hand, stops soon after the click noise

I just bought a new Triban 500 from Decathlon. During the first ride I noticed a click sound with each rotation of the wheel (sounds like a car indicator being on). When I spin the wheel by hand it ...
Tony's user avatar
  • 1
5 votes
3 answers
819 views

Upgrading my chainring

Long story short, I have a 30t chainring and a 14-38t freewheel for a 7-speed configuration. The 7th gear is barely a workout and 6th gear is more like a 4th or 5th gear. It’s a terrible ...
Malibu_Man's user avatar
2 votes
1 answer
142 views

Successfully converting a 28T 7-speed freewheel to 34T

I have a 20" child's bike with a 13-28T freewheel. The ones you see on most kid's bikes. I'd like to convert it to a 11-34T freewheel so that my son can climb hills more easily. They look like ...
Ana's user avatar
  • 121
12 votes
4 answers
2k views

How am I supposed to get into this screw-on singlespeed freewheel?

This is off a neighbour's kid's bike. The pawls weren't springing so I offered to take a look. I've had a couple of similar failures myself and thought I'd open it, clean it, and regrease it. Even ...
Chris H's user avatar
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1 vote
1 answer
121 views

Can I straight-swap my cassette 10 cog wheel with a ebike hub motor free wheel 7 cog wheel?

I have a Giant Anthem bike that has a 10-cog cassette wheel. And I have just purchased an e-bike hub motor that is a freewheel with seven cogs. Can I go ahead and fit it without any problems?
Chris Jamieson's user avatar
9 votes
4 answers
1k views

How to adapt a spoke salvaged from a 26" wheel to a 24" one?

This evening in trying to true a rear wheel run over by a car I managed to snap a spoke on a 24-inch rim. I have some salvaged spokes and spoke nipples from a destroyed 26-inch mountain bike rim, and ...
Darth Continent's user avatar
4 votes
2 answers
399 views

What tool to use for this cassette lock ring?

On an old road bike the freewheel mechanism sometimes gets stuck in the "coasting" mode, i.e., the pedals spin but the bike doesn't accelerate. When spinning the cassette by hand it still ...
tim0s42's user avatar
  • 41
1 vote
1 answer
797 views

7-speed freewheel to Wahoo Kickr Core - what to know?

I have a 7 speed hybrid Infinity Boss three 7 speed with a Shimano TZ21 14-28T Freewheel and am trying to figure out what I need to get this bike on a refurbished kickr core which I'm planning on ...
RocketSocks22's user avatar
0 votes
1 answer
76 views

Which freewheel/cassette does a stock Kent Seachange have?

No, I did not buy the wrong remover tool! Stop laughing!
Ethan Miller's user avatar
2 votes
2 answers
113 views

Freewheel/gear slipping

I have a new bike which is roughly 6 months old and has not been used much. I've ridden roughly 120 miles on it and the gears or freewheel has started slipping when I'm in the lowest gear while ...
Adam's user avatar
  • 21
-4 votes
1 answer
366 views

Can freewheel of coaster brake be used in combination with derailleur?

There is "coaster brake" mechanism, it consists of not only brake, but also of freewheel. As can be seen in answers in Why there are no or few bicycles with coaster brake and external speed ...
qdinar's user avatar
  • 99
3 votes
3 answers
1k views

Replacement Rear Wheel for Islabikes CNOC 16 (O.L.D. 110 mm)

I own an Islabikes CNOC 16. The CNOC 16 need a new rear wheel; the CNOC 16's rear wheel (16 x 1.35 / 34-305 / 14t freewheel / M30 thread) rim and spokes are damaged after I partially backed over tire ...
Nick's user avatar
  • 33
3 votes
2 answers
792 views

How do I remove the nut off of this when it’s rusted?

I’m trying to remove the nut so I can replace the freewheel cassette thing but I can’t remove it since it’s rusted I’ve tried using WD-40 but it didn’t work
Jackie's user avatar
  • 31
4 votes
3 answers
3k views

How to silence freehub on DT Swiss Spline wheels?

I just finished building a new gravel/commuting bike. For this build, I have bought a pair of DT Swiss Spline C 1800. However as I switched from an early 80's Peugeot bike to this new gravel, I ...
mrzob's user avatar
  • 113
4 votes
5 answers
1k views

Making a 7 spd cassette or freewheel out of a 9 spd (need to save space to fit in dropouts!)

Restoring an old bike with smaller space between the dropouts and want to use it with a "modern" 9 speed XT derailleur. The shifting needs to be fluid so I'm trying to keep "9 speed&...
tweedi's user avatar
  • 587
2 votes
1 answer
224 views

MTB BSO rear hub – bearing size dilemma

Background I am fixing up an old MTB BSO (MTBSO? Or even MBSO?). I reckon it's from the 1990s or early noughties. My ambition is to do it myself and as cheaply as possible. The fault is that the axle ...
pateksan's user avatar
  • 2,364
6 votes
3 answers
1k views

What to do with a busted freewheel on a vintage road bike?

I have a 1986 Panasonic DX-3000 that I use to commute to work and for casual rides. The freewheel did not survive the winter and the bearing inside it is clearly shot and after changing the chain as ...
dnn's user avatar
  • 81
1 vote
4 answers
1k views

18 Speed Mountain Bike Single Speed Conversion

As of right now I currently have an Apollo 18 speed freewheel bike (3 Front and 6 Rear) I bought from Halfords but I have decided that I want to convert it into a single speed bike. This is because I ...
Confused's user avatar
3 votes
1 answer
948 views

0W-20 engine oil for freewheel pawls?

Has anyone tried 0W-20 engine oil for the pawls when servicing a Shimano freewheel? Would it gum up the mechanism? Also interested in how long lasting it would be as I don’t plan to service this ...
Listerone's user avatar
  • 203
2 votes
2 answers
101 views

Changing chains

I have a 60 year old bike that is eight speed (2 chainrings, 4 cogs in the back). The smallest gear on freewheel is worn out, visibly hooked. I've found a replacement freewheel. I don't have ...
Eric's user avatar
  • 548
5 votes
2 answers
426 views

Compound for freewheel locking sprocket threads

I have an oldschool SunTour 6-speed freewheel, where the smallest sprocket screws on the freewheel body to lock the larger sprockets in place. It's a normal right hand thread, so as you pedal in the ...
Deeq's user avatar
  • 53
1 vote
1 answer
586 views

9 speed Shimano Deore derailleur compatibility

Will a 9 speed Shimano Deore derailleur be compatible with my 13-32 tooth freewheel?
River's user avatar
  • 91
4 votes
2 answers
1k views

I want to covert my bike from a 7 to 9 speed. I have a Shimano 600 derailleur. Will this work or what would you advise as affordable upgrade?

I want to covert my 7 speed to 9. Currently I have a Shimano 600 derailleur. What parts do I need to make this work?
Greg's user avatar
  • 41
2 votes
3 answers
2k views

How can I remove my stuck freewheel?

I have been trying for days to remove my freewheel using a freewheel tool. I have been using an adjustable spanner for now but it still is not moving. Am I not strong enough? Or is there another trick ...
Confused's user avatar
1 vote
1 answer
1k views

Removing 2 bike wheel nuts that move simultaneously when I turn them?

I have recently removed my mountain bike's rear wheel and there are two nuts that I can't remove because when I use a spanner and turn one end the other end turns as well and I cannot remove them. ...
Confused's user avatar
1 vote
2 answers
435 views

Freewheel identification, removal, disassemble

I have a 2021 Schwinn High Timbre 27.5" mountain bike with a bent rear axle and grinding bearings. I need to overhaul the hub, but I cannot get the 7-speed freewheel off. I don't know who the ...
Stephen Roberts's user avatar
9 votes
2 answers
2k views

How to adjust drivetrain so I don't pedal empty air?

You might know what I'm talking about: coast a bit, then start a pedal stroke, and there may be zero resistance for a part of the cycle (let's say 30 degrees) like you're pedalling empty air. Then the ...
meedstrom's user avatar
  • 273
0 votes
1 answer
232 views

Rear wheel not aligned with frame but cog and crank is aligned

My bike was previously a 26er mtb 3x7speed and I converted it now to be a single speed freewheel bike. Is the bike safe to use if the rear wheel is not straight to the frame? It is closer to the drive ...
Jebs Jebs Santillan's user avatar
0 votes
1 answer
191 views

Is my bike safe to use if cogs and crank is not that aligned?

Hey guys is it fine if my freewheel bike which is single speed is not that straight with its chain line, because my cogs and crank arent that straight but it is also not that far, im thinking if it is ...
Jebs Jebs Santillan's user avatar
5 votes
1 answer
250 views

Do SunTour freewheels have uneven cog spacing?

I have a Suntour freewheel (6 spd, "Perfect" model) that has unequal spacer widths. The spacer between the top and bottom 3 speeds is wider than the other 4 spacers. I purchased the bike ...
HPL's user avatar
  • 121
1 vote
1 answer
453 views

Can I replace a Shimano MF-Z012 (freewheel) with a MF-TZ510?

Can I replace a (6-speed) Shimano MF-Z012 with a (6-speed) MF-TZ500 or MF-TZ510 freewheel? Bonus question: apart from the "T" both models seem to belong to a related series. What does the &...
Raffael's user avatar
  • 251
1 vote
3 answers
636 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 ...
Stelios Liakopoulos's user avatar
15 votes
8 answers
11k 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 ...
Stelios Liakopoulos's user avatar
0 votes
1 answer
183 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 ...
Bharath Raj's user avatar
0 votes
2 answers
196 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 ?
alexander segura's user avatar
6 votes
2 answers
2k 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 ...
Maso's user avatar
  • 61
3 votes
2 answers
2k 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 ...
Anonymous newbee's user avatar

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