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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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Which freehub do I need to work with the CS-R8000?

I have a 2005 Specialized Transition Elite that I am converting to a standard road bike by replacing the handlebars/shifters and replacing the entire drivetrain with the R8000 Ultegra group set. The ...
Steve Rogers's user avatar
0 votes
1 answer
37 views

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
1 vote
1 answer
66 views

What is the right combination of spacers for a 10 speed cassette on a Mavic HG freehub?

In general, for 11-speed HG hubs one uses a 1.85 mm spacers for 8-10 speed cassettes and some 10-speed road cassettes use one extra 1 mm spacer always. However, I am confused about Mavic hubs. ...
Vladimir F Героям слава's user avatar
2 votes
1 answer
82 views

Can you ID this Shimano freehub body?

My LBS can't figure it out and my googling brought up nothing. The hub itself is Shimano model FH-T3000 It's from a 3yr old, 8spd, $100 wheel.
Jim W's user avatar
  • 125
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0 answers
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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
4 votes
1 answer
203 views

How to degrease a ratchet area that is next to (sealed) bearings?

I'd like to re-apply grease in the ratchet mechanism of a Mavic freehub (the design is similar to DT Swiss and possibly other brands). The mechanism is very simple to unmount, most of the parts that ...
Rеnаud's user avatar
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2 votes
2 answers
125 views

Do Shimano RS100 wheels have two ratchets inside the freehub?

Can anybody confirm Shimano RS100 wheel rear hubs have two ratchets inside the freehubs? It looks like there are sockets for 3 ratchets but there are only 2 ratchets. Since we bought the bike second ...
Ender's user avatar
  • 2,032
1 vote
1 answer
228 views

Conversion of SRAM MTH 746 from Shimano to SRAM XD Freehub

I own Santa Cruz Tallboy AL R-kit which comes with SRAM PG1230, 12spd, 11-50t Cassette (NX level). I want to upgrade to GX-level drivetrain. The GX goupset comes with XG-1275 Eagle cassette with 10-52 ...
Branislav Abadjimarinov's user avatar
1 vote
2 answers
866 views

Shimano cassette/freehub compatibility

Can I use the following components together - Shimano's compatibility chart is not clear to me. Cassette: CS-HG200-9 (11-32T/11-34T) Freehub: FH-T610 I have an old bike with a Tourney groupset. The ...
MagicalPete's user avatar
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
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2 votes
1 answer
93 views

Unable to backpedal - jockey wheels on Campagnolo derailleur

I have Campagnolo Athena rear derailleur on my road bike. Never gave me a hint of trouble. Always kept clean and lubed. Never ridden in the rain or in dirty conditions. Yesterday I was not able to ...
gil's user avatar
  • 51
4 votes
1 answer
828 views

Why do some 10-speed cassettes not need a spacer for an 11-speed road hub?

I have this wheelset which claims to be an 11-speed HG freehub. I've been experimenting with installing 3 cassettes and I'm finding some strange behavior: Cassette Description Needs 1.85mm spacer? ...
bitmaker's user avatar
  • 138
0 votes
1 answer
56 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
-4 votes
1 answer
545 views

Which Shimano Freehubs can I use on the WH-R550 wheel?

Looking to replace the freehub on a Shimano WH-R550. The Shimano parts line-up is a total mess. No LBS has been able to give any accurate info. Basically question is, which freehubs can I use on the ...
user avatar
2 votes
1 answer
477 views

Shimano freehub body replacement compatibility

I have a cheapish (okay - cheap) Shimano FH-M525-A MTB rear hub (QR, 10-speed). The freehub body has a fair bit of play so I want to replace it. There are any number of supposedly-identical ...
sellotape's user avatar
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4 votes
1 answer
165 views

Change freehub body from road to MTB on DT Swiss hub, possible?

Generally, it is possible to change the freehub body to different standards on DT Swiss hubs. However, their website only shows examples of swapping between various road-specific standards, or various ...
Szabolcs's user avatar
  • 996
4 votes
2 answers
964 views

What kinds of rear wheel hubs are compatible with my MTB?

I am looking at a rear wheel replacement. I have a Scott Scale 980 with a standard wheel on the rear. Will I need a longer freehub to interface with the wide 12 speed cassette? Or are there general ...
Liam R's user avatar
  • 43
0 votes
1 answer
222 views

I am looking for a replacement freehub body for my Shimano fh-rm65. I can only find bodies for a fh-rm33. Can anyone reccomend a replacement?

I am replacing my freehub; I can only find bodies for a fh-rm33. Can anyone recommend a replacement? It is for a 10 spd. Thank you!
WhereArePeople's user avatar
0 votes
2 answers
684 views

What is the quantity and size of the ball bearings in Shimano M785 freehub?

I have got a disassembled rear hub Shimano M785. I cleaned it and started to assemble back. On this step I can see the lack of ball bearings. It seems that there will be 35-36 balls on each line. I ...
Anton Hubarevich's user avatar
4 votes
2 answers
2k views

Upgrading ratchet 18-> 36 or 54 teeth on the DT Swiss 350 hub

I have a stock DT Swiss 350 and I don't like the huge hub engagement delay. With considering upgrading it to 36 either 54 teeth to reducing it, I am concerned if 54 teeth will be reliable enough for ...
Sergey K's user avatar
2 votes
1 answer
144 views

Weird behaviour of rear hub thru axle

recently my rear wheel started wobbling so I wanted to check its rear hub, bearing and axle. I have a Shimano HB-RS470 hub which is a thru axle hub, and it look exactlly like the one in the picture ...
Wojtek W's user avatar
3 votes
2 answers
169 views

Can a Mavic Freewheel Body (HG11 B9) fit into a 28"Mavic Ksyrium Elite Wheel (that already has a Shimano freehub)?

I have a Campagnolo Chorus groupset and wanted to switch my rear wheel to a newer one. I found a Mavic Ksyrium Elite rear wheel (older series) that had a Shimano freehub in it. I have a Mavic ...
Arion Ramsey's user avatar
1 vote
1 answer
174 views

Rear wheel spinning causes pedals to jolt forward when not pedalling

I've recently replaced my cassette and chain on my bike and I've found that now when the rear wheel is spinning freely (no pedalling) it will often cause the chain to suddenly jolt forward. I'm not ...
user1150512's user avatar
3 votes
1 answer
2k views

How do I get off my totally stuck freehub body?

My freehub body is totally stuck The only way to turn it at the moment is with a whip chain and a cassette on. I cleaned it with WD40, but that didn't help at all. Also I tried to "hammer" ...
Schwenk's user avatar
  • 396
9 votes
3 answers
2k views

How to achieve a 200 Nm tightening torque when installing a freewheel body?

I always try to respect the manufacturer's recommended tightening torque when installing a bike component. Lately, I stumbled on a Shimano freewheel body that needs a tightening torque between 147 and ...
olliebulle's user avatar
  • 4,119
8 votes
2 answers
3k views

Number and size of freehub ball bearings for Shimano FH-HG50 (30H 9801)

I need help with an overhaul of the Shimano freehub that comes with the FH-HG50 hub (part no 30H 9801). How many balls go into the inner and the outer race? What size should they have? I have already ...
jaspb's user avatar
  • 123
1 vote
1 answer
108 views

Updating drivetrain: Powertap to Force AXS - Powertap hub Compatibility?

I have a Zipp 808 20H wheel with a Powertap hub running a 10-speed cassette. I’m looking to get SRAM Force AXS, can I put a XD or XDR free hub on and run the 12 speed cassette? Or must I get a ...
Kyle's user avatar
  • 11
0 votes
1 answer
214 views

Replacing Giant Defy 4 2013 Freehub

Hi what is the correct freehub replacement part for Giant Defy 4 2013? The bike is all original, 8s pg-850 cassette thank you,
Jay's user avatar
  • 101
2 votes
1 answer
126 views

Can I use by rear wheel with a missing Freehub body washer, and what is its purpose?

I noticed that my rear wheel had some left to right play on the axle but tightening up the axle prevented the freehub spinning. After removing the freehub I discovered that the freehub body washer was ...
Stiv's user avatar
  • 21
1 vote
2 answers
596 views

Shimano freehub compatibility

I have the following rear bike wheel: WTB STX i23 TCS tubeless 29” rims, 32H, alloy disc hubs, 14G black electroplated spokes Today it seems that the freehub broke down and it makes a bad sound. How ...
GIONII's user avatar
  • 35
1 vote
3 answers
354 views

Freehub not very free after tightening cassette lockring

I've just replaced the cassette on my hybrid commuter (replaced the chain a week ago and found that it skipped on my most-used sprockets). As this bike is no longer my main bike, and it takes 8 speed ...
Chris H's user avatar
  • 59.7k
1 vote
0 answers
103 views

Freehub threading

I have a set of dmd wheels the 8 speed freehub has sheared off, got the piece out and ordered a new Shimano profile M22 thread freehub, when came to fit, the thread is 22.5 mm around same but coarser ...
J. Shaw's user avatar
  • 11
0 votes
2 answers
268 views

Where does the hub end, and the freehub begins?

When shopping for a Shimano SLX M7100 Groupset, 1x12 one reads ⚠ For use with Shimano MICROSPLINE freehub bodies Cassette NOT compatible with standard HG (8,9,10 or 11 speed), XDR or XD freehubs I'm ...
Sam7919's user avatar
  • 9,246
4 votes
2 answers
326 views

Converting Oval 928 rear hub to XDR

I am building a bike with a SRAM Force eTap AXS drive train. I would like to change the freehub to XDR on an OVAL rear wheel. Does anyone know if there are any XDR freehubs that would be compatible. ...
Greg's user avatar
  • 43
5 votes
2 answers
851 views

Cassette with more gears on same wheel?

I would like to retrofit an 11-gear cassette onto my bike which currently has a 9-gear cassette. Both cassettes are Shimano, and both are relatively modern. I know I will need a new rear shifter, and ...
bain's user avatar
  • 53
5 votes
2 answers
558 views

Does a z-shaped cone wrench exist?

This is a massive cone, and I was under the mistaken belief that if it remains perfectly smooth, I can either overhaul it yearly, or grind it with a Dremel and repack the grease every two years, and ...
Sam7919's user avatar
  • 9,246
2 votes
2 answers
1k views

Shimano FH-M756 freehub body compatibility - can I upgrade?

I've got a Deore XT rear hub (FH-M756-A) on my tourer, and twice the freehub has let me down. The first time it was full of mud mixed with grease but I managed to get it working just enough to ride ...
Chris H's user avatar
  • 59.7k
5 votes
1 answer
245 views

What kind of Freehub body is this?

What kind of Freehub body is this? It looks like an old Uniglide but the threads go all the way down, and it's very short (as I hope you can tell with the ruler). It's on an unbranded hub attached to ...
RichardJ's user avatar
  • 173
2 votes
1 answer
453 views

Tune freehub pawls damaged?

Sorry to bother you again with another weird question. On my gravelbike with Campagnolo Ekar and tune Prince CL rear hub (3 teeth, N3W freehub body), I removed the rear wheel for a routine task and ...
Erlkoenig's user avatar
  • 2,002
2 votes
1 answer
568 views

Freehub is making loud noises and is randomly engaging/binding

My freewheel recently started making some faint weird noises. I didn't pay much attention because everything was working fine. But as time went on, it started getting worse and worse. The noise was ...
Stelios Liakopoulos's user avatar
4 votes
3 answers
4k views

Can I put a different manufacturer’s freehub body on my hub?

Can I replace my Mavic Cross One freehub body with a non-Mavic one? I want to switch to Shimano microspline.
brent.'s user avatar
  • 49
3 votes
1 answer
286 views

Campy N3W freehub body

I have a pretty good idea that Campagnolo's new freehub body standard they term "N3W" is only compatible with Campy cassettes 10-13 speed. It can also fit 9, 10 & 11 tooth small cogs. ...
Jeff's user avatar
  • 10.6k
2 votes
2 answers
5k views

Serivce Manual for Specialized full sealed bearing thru axle hub

I have a Specialized Tarmac SL6 which comes with "Specialized full sealed bearing thru axle hub". I tried searching for the hub specifically but cannot find any number or series on the back ...
Turan's user avatar
  • 61
2 votes
2 answers
137 views

installing 1x11 gearset on a 1986 Bianchi Strada

I have a 1986/7 Bianchi Strada it is a 2x5 gearset, a SuginoVP 110 crankset and shimano derailers. I want to convert it to be more like a gravel bike so change it to 1x11 or 1x9 gearset with 11-36 ...
Mikem's user avatar
  • 21
5 votes
1 answer
174 views

How to fix play in 70's freehub

I have a 70s racing bike equiped with Dura Ace. The cassette was quite wobbly so I dissembled and re-assembled it using new ball bearings & grease.There is still some play left, but to my feeling ...
wouter205's user avatar
  • 173
4 votes
2 answers
1k 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?
Ender's user avatar
  • 2,032
5 votes
3 answers
2k 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 ...
Tom De Vries's user avatar
3 votes
4 answers
2k 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-...
2e0byo's user avatar
  • 283
5 votes
3 answers
979 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 ...
Kev's user avatar
  • 153
0 votes
1 answer
218 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 ...
Indy1K's user avatar
  • 1