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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1answer
474 views

shimano CS-5600 compatible rear hub and freehub body

What rear hubs and/or freehub bodies are compatible with a Shimano 105 5600 10-speed 12-25T cassette?
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1answer
747 views

Shimano RS505 freehub body replacement

I need to replace the freehub body on a RS505 hub but I can't find the FH-RS505 hub for sale anywhere. I've checked the Shimano compatibility section for this hub. It looks as though all the ...
7
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2answers
2k views

Freehub: why are the pawls on the inside surface not the outside?

This might have an obvious answer but when I look at freehub designs, I always see the pawls on the inner member and ratchets on the outer member. Here is an example: Has anyone ever reversed that ...
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1answer
998 views

Campagnolo Zonda Ratchet sound

I bought a Campagnolo Zonda C17 recently and noticed how quiet the ratcheting noise was. My friend owns a pair of Zondas but his one is really loud. why is mine silent? i use a 15 cassette.
16
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4answers
15k views

What freewheel mechanism designs are used in bicycles?

What are the various freehub mechanism designs that have been designed and or put into production? (doesn't need to have been made necessarily!) A good post will contain: A description of the design,...
9
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4answers
845 views

Servicing a Vuelta XRP Disc Hub

I can't for the life of me figure out how to get the freehub body off of this hub. Everything I can find online about the Vuelta hubs says that I should be able to stick a 5mm hex key into both sides ...
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1answer
2k views

What 11-32 10 speed cassettes will work with Shimano 105 5700 freehub?

I have a Shimano 105 5700 10 speed hub, currently with a 12-27 cassette. I want to go to an 11-32 cassette. There is no 5700 10 speed cassette that goes beyond the 12-27. There is an Ultegra 11-32 (...
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1answer
467 views

Upgrading Joytech hub from 8 speed to 10 speed

I have a Joytech hub and I'm planning to upgrade from 8 to 10 speed. With my Joytech rear hub, do I need to change my hub first and does my hub support 10 cogs?
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4answers
5k views

Shimano 8/9/10 speed freehub conversion to 11 speed does not appear possible due to changed spline pattern

After remaining unchanged (with a few exceptions like FH-7801) for nearly 20 years the Shimano freehub body spline mount has changed along with the width. I had hoped I could refit a 8/9/10 speed ...
3
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2answers
914 views

How do I remove this Ksyrium hub body?

I want to get into this hub to lubricate the bushing. Every instruction I see on the Internet says to use a 5 mm Allen and a 17 mm wrench. But there is nothing to put a 17 mm wrench on. There is the ...
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1answer
7k views

Can I swap freehub bodies?

Background I have an 8 speed 26" freehub/cassette based wheel on my MTB. It runs a 7 speed MTB cassette with a spacer and 7 speed shifter. It works fine. I also own a 20" folding bike that has a 6 ...
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2answers
4k views

Cassette jerks chain forward intermittently

I have a 3 year old road bike with Shimano Ultegra 11 speed freehub CX-75 and cassette CS-6800. Recently I started hearing clunking noise from the drivetrain during freewheeling. It appears that the ...
2
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1answer
429 views

How to disassemble free hub shell?

I need to replace the free hub shell that is on my wheel with one that will work with an 11-speed Dura-Ace cassette. The current one is for Campagnolo. I don't want to take the whole wheel apart, I ...
3
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2answers
1k views

How can a Mavic freehub stop working after cleaning?

I have a Mavic Aksium Race rear wheel. The freehub was working and felt gunky. I opened it to clean it (it was dry with some gunk and a bit of rust stains) and reassembled after lubricating with ...
2
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1answer
1k views

upgrade from MF-TZ21 to 7 Speed cassette freehub

I'm trying to save costs so I want to upgrade to 7 speed 11-28 Cassette to keep the same shifters, dealer says I need a new Freehub, new 7 Speed Cassette, new chain AND NEW DISC BRAKES, why do I need ...
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3answers
5k views

Oil/lube for Shimano freehubs

After an extremely muddy and wet MTB race (riding in puddles covering the brake rotors) I need to do a full bike overhaul. The only thing I don't know is what lube to use after degreasing the ...
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2answers
2k views

I cleaned my cassette and changed my chain, now my freehub is slipping. What are the possible causes? [duplicate]

I removed my cassette, cleaned it and put a new chain on my mountain bike. All seemed to go well and went back together nicely. However when I took it out for a ride the free hub seems to be slipping ...
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1answer
1k views

What caused play in my freehub?

I was getting my road bike out earlier and heard a clunking sound when I dropped the back wheel. I repacked the bearings in it ~200 miles ago, and the wobble felt like bearing play. However when I ...
3
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1answer
285 views

Rear wheel not spinning when the skewer is locked in

Can someone please tell me what is causing my rear wheel to "stiff up" when pedaling. I recently cleaned the rear hub because at first it was causing the wheel to "stiff up" when pedaling. At first I ...
3
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2answers
617 views

Replacing roller-clutch freehub with ratchet type

I live in Finland, and as such the weather right now is pretty cold. Since I rely on my bike for shopping in a rural area, the frequent and complete loss of drive I now suffer at below-freezing ...
2
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1answer
111 views

What is this cogset body?

I have some backlash (free movement) in my body of cogset, so I try to dissemble my cogset to discover this weird body: I'm trying to find a new one but I don't know how to call it. Any idea how it ...
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2answers
8k views

Why am I getting no power when I pedal?

Yesterday when I was biking my mountain bike on level paved path, I would pedal but get no power to the wheel. To use a car analogy, it was as if I had the clutch in and was apply gas. It seemed to ...
2
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1answer
4k views

Is it usual for a freehub to have play? [duplicate]

I have a new rear wheel (Shimano Ultegra WH-6800) and the freehub has about 1mm-2mm of play in it. When the cassette is installed and the wheel is on the bike I'm getting a lot of wobble which is ...
4
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1answer
7k views

Fix a wobbly Shimano freehub?

I have a brand new Shimano Ultegra WH-6800 rear wheel. The freehub has about 2mm of play in it. I can feel the play without the cassette installed by grabbing the freehub body and moving it. It moves ...
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3answers
3k views

Flashpoint FP80 / SRAM S80 - rear hub specifications?

I'm looking for the specs of a SRAM S80 rear wheel hub. I dearly wish to replace its 9/10-speed freehub body with one that can accomodate Shimano 11-cog casettes. SRAM S80 was a 80mm-profile aero ...
4
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2answers
1k views

What is causing an intermittent side to side wobble of the rear cogs?

I am struggling to diagnose the cause of an intermittent side to side wobble of the cogs on a rear wheel. Here's what I know: Periodically (maybe every 10-15 minutes) during a ride, I experience ...
2
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1answer
1k views

Rear wheel doesn't turn with cassette

I just got a used mountain bike and on my first trip my rear wheel stopped turning with the cassette. When I pedal it turns the cassette and the gears still change smoothly but it doesnt turn the rear ...
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2answers
170 views

Hub sticking - friction

Bike I got used and happy with the price for frame alone but I don't know the history. Kris King hub with significant drag. With cassette off and just a rim if spin it hard I get 5 revolutions. I ...

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