Questions tagged [hub]

Concerning the parts and mechanism of bike gearing, both internal and external. Multi-speed, single-speed, fixed and freewheel.

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2
votes
3answers
5k views

Can a (relative) beginner adjust spacing on a 501 cromo road frame?

Have acquired a cheap old Peugeot road bike from ebay; nice cromo frame, but it needs a new rear wheel and unfortunately I didn't check the dropout size before buying. It has an OLD of ~120mm, but I ...
7
votes
4answers
62k views

Special hub requirements for an 11-speed group

In a question earlier today (Changing cassette from 8 to 10 or 11 to meet the Shimano 105 5800 groupset) the Op asserts that they would need to change their hub, if they wanted to go from a 10- to 11- ...
43
votes
11answers
26k views

What's the efficiency of hub gears compared to derailleurs?

What's the efficiency of hub gears compared to derailleurs? I know that hub gears are not as efficient. Apart from being heavier, how much will I lose in performance if I use hub gears?
7
votes
4answers
2k views

Cause of spalled cones?

Was getting a sort of rubbing sound from my front wheel, like rubbing brakes, but the sound continued even with the bridal loose. So I disassembled my front hub. Everything looked good until I got ...
5
votes
3answers
21k views

What tool is needed to remove a Shimano HG-50 freewheel?

What tool is needed to remove a Shimano HG-50 freewheel from the wheel hub? It looks like a 12mm or 13mm Allen key. Will this do it or is there some detail I have missed?
13
votes
4answers
11k views

Bottle dynamo vs. hub dynamo

I have SpinPOWER USB charger kit, and I am using a bottle dynamo with it. I have heard that the power output from a hub dynamo is higher than from a bottle dynamo. Does anyone have any information ...
8
votes
7answers
1k views

How to build a wheel

I'm in the planning stage of building a new bike. This will be a light road bike for city runs and transport. For racing I have other bikes. I'd like to build the bike from ground up by assembling ...
17
votes
6answers
14k views

How to prevent freehub body damage?

I feel like this is poor design. I have two wheelsets that are less than a year old which have damaged freehub bodys due to cogs digging in to the splines on the freehub. It's so bad that I can't ...
7
votes
4answers
5k views

How do I know if my cone/cap/bearings need to be adjusted?

I have a custom road bike with (mostly) Shimano parts. I love to ride but I'm not so strong on the technical side. I have quick-release wheels; I regularly (3-4 times a year) put the bike in a bag ...
5
votes
1answer
8k views

Reoccurring Bent Axles, any reasons or upgrades?

Earlier this month I had a issue with a broken axle. It was the original that was sold with the bike and lasted around 5,000 miles. I went to my LBS and bought a new axle (unbranded, labeled, etc, ...
4
votes
3answers
430 views

Rear hub freewheel and casette

I am having some issues with my drive trainsystem. I have changed my chain after quite a while (shame on me) with a new one, that i sized exactly on the same number of links as the old one. When ...
1
vote
2answers
772 views

What would I search for to find bike hubs that attach on only one side like found on tadpole recumbent

What is the name of the hubs used on recumbent tadpole trikes. Those tricycles that have two front wheels and a conventional rear wheel
-1
votes
1answer
49 views

Freewheel for my hub

I've got back wheel with shimano 5353 hub and want to change it for a wheel with Campganolo record hub. I wanna know if my freewheel will fit Campganolo hub, coz it's and old version of freewheels ...
4
votes
1answer
181 views

I can't extract sealed bearings out of hub

I am attaching pictures of the rear hub of my Giant XTC Advanced 29” 1.5 2017. The hub is manufactured by Formula. I am unable to extract the bearings. I'm tapping hard from the side of pawls, ...
9
votes
3answers
22k views

How do I change my single-speed to a fixed gear?

I've been biking on single-speed for a few months and would like to play around with a fixed gear. I've heard of a flip-flop hub, but I'm not sure exactly what it is. And without any fellow bikers - I'...
5
votes
2answers
22k views

How to set up bike so that back-pedalling stops the rear wheel?

My first bike was a 1976 Raleigh Strika. It was brilliant and was distinguished by having only a front brake lever. To get the rear wheel to stop one simply back-pedalled. This was a v. efficient way ...
18
votes
6answers
21k views

6-bolt vs centre-lock: pros and cons?

I am having a new set of wheels built, and am trying to decide on whether to go with 6-bolt or centre-lock rotor interface. What are the pros and cons of the two systems?
14
votes
11answers
19k views

Is there such thing as a freewheel that doesn't click?

The clicking sound of the freewheel on my singlespeed when it's coasting is annoying for me, so I flipped over my back wheel and rode fixed for a few months in blissful silence. But having to pedal ...
8
votes
4answers
6k views

Trouble getting the right cup and cone hub adjustment

I have a pair of Shimano XT wheels and recently had issues with the hub on the rear wheel requiring new cones and bearings. These were fitted carefully but I've had issues getting the right adjustment ...
5
votes
1answer
163 views

Can I replace a 9spd freehub with a 7spd one?

On my commute this morning I established that my freehub needs replacing. There's obviously something wrong with the ratchet mechanism, because it intermittently refuses to engage. My existing setup ...
4
votes
2answers
7k views

Compatibility of predictive steering hub with boost 110 fork

I have a bike which had a RS1 fork and a wheel with a required predictive steering hub. I have a second bike which has a Boost 110 front fork. Since both these hubs are 110mm wide, can I use the ...
4
votes
3answers
3k views

More freehub removal problems.

So helpful folks here helped me get the cog and lockring off, and now I'm stuck with this. I looked on Park's website again for "removal of freewheel" help, but mine didn't fit with any of the methods....
3
votes
1answer
3k views

Lock nuts on new hubs seem strangely tight, but can't seem to loosen them. Any advice?

As part of a new build I'm working on, I just had some wheels built up. The hubs are large flanged Miche Primatos with a double-sided fixed wheel. The rear wheel, straight out the box, seemed weirdly ...
3
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2answers
2k views

Do DC HUB Motors For Electric Bikes use regenerative braking?

Or do I need a special control circuit aside from the included electronics?
3
votes
2answers
3k views

Any tricks to disassembling an Easton R4 rear hub?

We're looking at a Raleigh (very) lightweight bike with Easton R4 hubs on it. The rear (apparently part # HD10M1732 on the hub) has a broken spoke on the non-drive side. To access the spoke ends we ...
2
votes
2answers
1k views

Should I force an 130 mm hub into my old vintage alu frame

I have a classic vitus 979 aluminium road frame where the rear dropout width is 126 mm. Most of the things I hear is that you should not use force on an alu frame and try to fit in an 130 mm hub in ...
2
votes
2answers
3k views

Planning on building a fixed-gear/single-speed from an old Schwinn World. What new parts will I need?

I think I want a flip flop hub, to keep my options open. If I get one off amazon, do I need to buy a freewheel and fixed-gear cog as well, or will those come with the hub? Also, does the hub have to ...
2
votes
3answers
3k views

What tool do I need to remove this Joytech freehub?

I have tried 10mm allen: too small, spins freely, with very little grip. Hub brand: Joytech On the outer side it has 9 ball bearings. Video showing right/drive side: ...
2
votes
1answer
3k views

Hub rebuild - cone dust cap conflict, hub integrated vs pressed on cone?

I had to rebuilt the rear Joytech hub on my 2008(ish) Schwinn High Timber after I broke the axle: My hubs have a integrated dust cover which consists of a rubber diaphragm that is pressed into the ...
0
votes
2answers
303 views

Failing hub bearings on a beater bike (freewheel) — time to replace the bike?

I run an old Raleigh Michigan that only does about 12 miles per week and lives outside a station mostly exposed to the elements. While replacing the rear derailleur cable yesterday (it had almost ...