Questions tagged [freehub]

The part of the rear hub which holds the casette. It employs a ratchet and turns only when you pedal. Track bicycles / fixies don't have one.

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3
votes
2answers
292 views

Is this the sound of a free hub gone bad?

Could you please identify if this is the sound of a free hub gone bad? If it is, can I get it sorted out at a bike shop or should it be replaced?
5
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3answers
432 views

How do I remove the rear sprocket from a Gates Belt drive system

first question at this site. Hoping to get advice. Like many others, I am trying to learn how to service my bike, but when you get stuck.... I used a strap wrench and a cassette tool and I ...
3
votes
4answers
601 views

Copper grease on freehub when mounting sprocket?

Do you put copper grease (or something else) on a freehub directly before sliding the rear sprocket on? I put a light coating on by habit when fitting just because I don't like the idea of bare metal-...
4
votes
3answers
104 views

New freehub body causing chain slack and ghost pedaling

I have replaced my freehub body like-for-like. Now when I freewheel, the top part of the chain goes slack and the pedals spin when I take my feet off them. This usually occurs on old gunked-up ...
0
votes
1answer
47 views

Noisey clunk in freehub, how to R&R the Hub

I have a Schwinn Pathway 18speed bike. I put about 60 miles a week on it, over the past 1.5 years. Recently I noticed a clunk in the rear wheel. All gears and only while pedaling. I cleaned it up and ...
0
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1answer
69 views

Cannot remove campagnolo zonda freehub

I have tried following tutorial videos to service my Zonda rear wheel bearings - I want to cleanup the grim and regrease the bearings - such as They all show that ...
3
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4answers
135 views

Shave 1.85mm off to get an 11s road cassette onto a 10s hub

Does anyone have experience removing material to get an 11s road cassette onto a 10s hub? As per the hub standards, the difference between the width of a 10s and 11s freehub body is 1.85mm. The back ...
3
votes
1answer
459 views

Swapping Ultegra cassette 11-34 for 11-28: spacers?

Swapped the original 11-34 HG800 cassette for the 11-28 R8000 on a Giant SR1 wheel. When taking off the 11-34 I noticed there was an initial spacer mounted on the freehub body. I took it all off then ...
1
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2answers
71 views

Identify hub / freehub body on Giant FCR 2 2008

The rear wheel bearings on my 2008 Giant FCR2 need replacing, and the freehub body is feeling a bit notchy, so while it's all in bits I'd like to be able to have the option of replacing. I understand ...
0
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1answer
55 views

Help determining how many cogs an unlabeled freehub wheel can take

Im replacing my freewheel rear wheel with a freehub one. The wheel that i've found doesn't say anything about how many cogs it can take. It just says that its '26 inches. I want to install a 9 speed ...
1
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1answer
144 views

Will a shimano acera rear derailleur work with a shimano altus cassete?

Got sick of breaking rear axles. Im going to convert to a freehub. Currently i have a shimano acera 9 speed rear derailleur. I found a shimano altus cassete which has a huge 36 tooth sprocket which is ...
5
votes
2answers
430 views

What is correct procedure to remove freehub body?

I want to replace a defective freehub body and I am confused on how I should unscrew it from the hub. This earlier question (Cannot remove freehub body) explains which direction to go between CW and ...
2
votes
2answers
92 views

Drive chain swap clarifications

Been thinking about upgrading my drive train, however, I'm not sure if I've fully understood the compatibility part and wanted to get some more clarifications. Currently have an Advent X (10spd) and ...
1
vote
1answer
104 views

How do I get this cone nut off?

I’m attempting to remove a freehub and have removed the locknut and washer on the non-drive side. However, the cone/cone nut doesn’t seem to want to come off. Is this nut supposed to unscrew from the ...
1
vote
1answer
70 views

Mavic crossmax freehub doing strange noise at high speed coasting

MY MTB is fitted with Mavic Crossmax 26" wheels (early 200x model). The freehub sometimes makes a strange noise when coasting at high speed that stops if I pedal forward once. In the past, ...
15
votes
7answers
2k views

Is there a roadside workaround for a freehub that won't engage reliably?

I had a lucky escape from a long walk on Saturday: 50km from home or 20km via a train, my freehub suddenly wouldn't engage - the pedals span as freely forwards as backwards. I tried dropping the back ...
2
votes
2answers
332 views

Correct tool to remove Uniglide freehub?

I have a coworker's rear wheel to repair. The freehub pawls ceased engaging, resulting in free-spin in both directions. A replacement freehub body is ludicrously expensive, so I want to remove the ...
0
votes
1answer
63 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 ...
5
votes
1answer
232 views

Freehub comes free from wheel with cassette attached

I was cleaning my bike and a gust of wind knocked my wheel over which had been standing up against a wall. I found the cassette/freehub detached from the wheel. The end caps don't appear to have a ...
1
vote
1answer
338 views

How to tell which freehub body is a compatible replacement for the one on an old Shimano FH-HG50 rear hub?

I'm working on trying to fix an old Shimano FH-HG50 7-speed rear hub, which skips often and sometimes spins forward without turning the wheel. My questions are: What to look for when buying a ...
6
votes
2answers
492 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 ...
7
votes
2answers
176 views

Why does my freehub body have such shallow lockring threads?

My new freehub body (right) has much shallower threads than my old one (left). The threads are so shallow that I cannot properly install the cassette lockring. They are both for Campagnolo 9/10/11 ...
4
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2answers
166 views

Can I saw off broken freehub

I have a very old bike (circa 1996) with broken Shimano Altus 7 speed, hyperglide-c freehub. The freehub is freely rotating in both directions. I had removed the cassette, but it seems that there is ...
7
votes
2answers
9k views

What's the difference between Shimano HG and SRAM XD free hubs?

I know that the Shimano free hub is pretty common. I think it's called HyperGlide (HG). But now I heard that SRAM has a free hub called XD. What is this? What is the difference? When do I need it? Can ...
2
votes
2answers
135 views

mtb hubs why is his hubs louder but on paper they are the same

My mate and I purchased bikes. I got a Norco HT 2 and he has a Norco FS 3. On paper we have the same hubs but mine is silent, and his is decently loud when coasting. Why is that?
2
votes
1answer
82 views

Freehub has some play

I just got a new Zip 303s Wheelset and the freehub has some play that you can see on this video. I am not sure whether this is normal or not. Could you help me here?
1
vote
0answers
51 views

Chinese Hub identification help?

I bought some carbon cyclocross wheels in 2014 on ebay from seller diybike. (listing long gone). After 13,000km the freehub body has seen better days. Trying to source a replacement without swapping ...
2
votes
0answers
40 views

Freehub with sealed/cartridge bearings

I decided to buy a new freehub and replace it myself, as the one I had broke down (started spinning to both sides). However, I didn't realize the new freehub has sealed/cartridge bearings as opposed ...
1
vote
0answers
67 views

Probs removing the Freehub from Mavic Ksyrium Pro UST

Finally managed to remove end caps after reading helpful tips on this site... now cannot get the freehub off. Researched the manual... there do not appear to be any further retention devices, but its ...
3
votes
2answers
985 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 ...
2
votes
2answers
1k views

Freehub silent after service

I have just picked up my bike from a full service - all parts were taken apart, cleaned, lubed etc. My ride home was really nice and quiet, and then I realised: my freehub is now completely silent. I ...
0
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1answer
79 views

Rear wheel is loose and wobbles at even the tightest setting

I recently had my rear wheel and hub replaced because the older one was bent. When I came back home I found that the guy who fixed it left it loose, so much so that I could pick up the wheel and shake ...
3
votes
1answer
141 views

Smallest sprocket doesn't fit on freehub?

I bought a second hand bike with a Campagnolo Super Record 11 groupset (the pre-2015 version). I have been experiencing shifting difficulty since I bought it, and took it to a mechanic. The mechanic ...
0
votes
1answer
30 views

How do I tighten this 10s Shimano splined freehub? 2008 Cannondale CAAD9 R5 - WH-R550

The rear wheel on my Cannondale has been having freehub play for some time now. I've tried using an hex key to tighten the freehub, but to no avail. The wheel is a WH-R550 rear wheel. The 11mm hex key ...
6
votes
2answers
463 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 ...
3
votes
1answer
246 views

Which Shimano freehub body fits Campagnolo Calima?

I have a Campagnolo Calima C17 wheel set with currently a Campagnolo freehub body (FH-BU015) on it. Does anyone know which type of Shimano freehub body fits on this wheel hub? I searched but I cant ...
1
vote
2answers
771 views

Can you identify this freehub from a 2014 Boardman CX Comp?

I need to replace this freehub from my 2014 Boardman CX Comp as it's becoming incredibly sticky. There's not a lot to identify it. It's stamped 'M M P' on the side. Trial and error has found an 11mm ...
1
vote
1answer
811 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 ...
1
vote
1answer
82 views

Novatec QR D812SB max speed?

Can anybody tell the specification of Novatec QR D812SB? I'm looking to buy used wheelset using these hub. Can I use Shimano 11 Speed using this? I am looking at this https://issuu.com/novatecwheels/...
3
votes
1answer
103 views

Fulcrum Racing 5 LG freehub replacement - drag

I just replaced a Fulcrum racing 5 LG free hub. Once it was all together, it seems a bit tight. With the bike on the stand, when I spin the pedals, and release, the pedals continue to rotate. So the ...
1
vote
1answer
53 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 ...
5
votes
2answers
602 views

Freehub disengages and then rengages — what is the issue?

I have a Hope Pro hub and shimano freehub body with 11 speed cassette on my MTB. Recently when pedalling on occasion the resistance in the pedals disappears (like the chain has come off). It seems as ...
2
votes
1answer
230 views

Converting my Raleigh Equipe to a single speed: Can I use a conversion kit?

I am a complete bike novice and am trying to convert my raleigh equipe road bike into a single speed (after a plastic bag blew out my rear derraileur). I have purchased a single speed conversion kit: ...
9
votes
8answers
10k views

Freehub pawl system vs star ratchet system

If you were to choose between a Hope Pro 4 hub and a DT Swiss 350 or 240, purely based on their freehub types, ie Hope's pawl system or DT's ratchet system, which would you choose and why? The main ...
4
votes
1answer
2k views

Bike attached to TACX flux smart trainer makes a clunking house and chain feels like skipping

I have a bike which I use as normal as well as cycling indoors with my tacx flux smart trainer (direct drive, take the back wheel off). Without the trainer, my bike runs smoothly with no issues. When ...
2
votes
1answer
84 views

Freehub movement on Reynolds hub--is this OK?

The freehub on my Reynolds wheel moves a bit horizontally when off the bike. Is there a problem with it, or is it working as designed?
4
votes
2answers
571 views

12 speed cassette touching spokes

Upgraded from 3x9 to 1x12 and encountered the problem with cassette touching spokes. Cassette is Sunrace MZ90 which is advertised as compatible with Shimano Hyperglide freehub bodies. Hub is Shimano ...
0
votes
1answer
203 views

Extending range on SRAM PG-1130 cassette / cassette specification

I'm considering buying a Kona Rove ST bike with a 1x drivetrain setup. However, one concern I have is a limited range of higher gears (40:11 ratio for the highest gear). I would like to have some more ...
1
vote
1answer
1k views

PG-1130 11 speed cassette hub compatibility

I am building a rear wheel and I have a PG-1130 Sram Cassette(11-42T). On the specifications they say: 11-42t cassette fits 10 and 11-speed non-XD™ driver bodies (1.85mm spacer is required for 11-...
2
votes
3answers
1k views

Shimano 105 freehub FH-5800 - pawls not engaging, repair or replace?

After a thorough clean and (over) oiling with WD40, my Shimano 105 FH-5800 freehub stopped engaging. Sounds like a common fail: I had previously thought that more oil = better. Live and learn! Bike ...