Episode #125 of the Stack Overflow podcast is here. We talk Tilde Club and mechanical keyboards. Listen now

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.

Filter by
Sorted by
Tagged with
1
vote
1answer
3k 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
votes
2answers
353 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 ...
1
vote
1answer
3k 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 ...
2
votes
2answers
2k 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
votes
1answer
276 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 ...
2
votes
2answers
626 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
votes
1answer
476 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 ...
2
votes
2answers
2k 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 ...
2
votes
2answers
967 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 ...
2
votes
1answer
709 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
votes
1answer
143 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
votes
2answers
519 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
votes
1answer
90 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 ...
7
votes
2answers
4k 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
votes
1answer
1k 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
votes
1answer
4k 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 ...
6
votes
2answers
2k 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
votes
2answers
838 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
votes
1answer
927 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 ...
1
vote
2answers
130 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 ...