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

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36 views

How to recognise a 6-speed freewheel compatible hub?

I need to change the freewheel and the hub on my road bike and have been looking for a suitable replacement. I wish to keep my rim so I will rebuild the wheel. Also, I want to stay with a 6 speed ...
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0answers
36 views

Replace hub from old cassette to new fixed

I have an old mavic race rear wheel where the hub is rusted, but the spokes and rim is in prime condition. Thinking about changing just the hub (reusing spokes) to a fixed flip-flop to use the wheel ...
4
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1answer
71 views

Hub grease, white grease, red grease or buy grease?

As i'm going to overhaul my hubs, i'm looking for the right grease for the job. The easy way would be going to a shop and buy some dedicated grease. But searching through my garage, I found that i ...
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0answers
17 views

Trek T-900 Tandem rear hub

I have a Trek T-900 tandem that I bought used. It's probably about 12 or 13 years old. I'm having some rear hub issues with it, but I can't identify what hub it is. Trek's website and other ...
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1answer
172 views

Lots of broken spokes on one bike, with different wheels

I have a commuting bike I've had for a few years, and as long as I've had it it's frequently broken spokes on the front wheel. Eventually I got sick of replacing them, put it down to a bad wheel, and ...
4
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1answer
87 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, ...
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2answers
1k views

What's wrong with my rear wheel? Wheel moves about 1/4" front to back when brake is fully applied, cassette seems a bit wobbly, some rubbing noise

I first started inspecting my wheel because I noticed when I applied my brake while not riding, I could push my rear end and the wheel would turn forward and back about 1/4"-1/2" each way (but the ...
4
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1answer
195 views

5 speed cassette on 8 speed hub

I just picked up a cheap wheelset to replace the wheels on a vintage bike. The old bike had a 5 speed freewheel (I think. The model printed on it is shimano-ug). The new rear hub is a shimano fh-rm30 ...
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2answers
162 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 ...
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0answers
64 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 ...
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1answer
53 views

Why front hub axle sticks/freezes when riding extreme downhill

My front hub axle has already frozen when riding extreme downhill. Looking at the hub, it looks like the right hand cone has self-tightened. Can you explain why this happens, and how to fix it?
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1answer
78 views

Choosing hubs and rims for training road wheels

I'm going to build a training road wheelset for my touring bike. I wonder what should be criteria for choosing hubs and rims and spokes. I'd prefer cheaper options as long as they are durable and not ...
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2answers
169 views

Maintence on Mavic 500 hub without Mavic 670 tool

I have a beloved but well used front wheel built around an old Mavic 500 hub whose bearings are finally starting to give up the ghost. If you hold the axle and spin the wheel you can feel it grind ...
2
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1answer
98 views

Why is it important to keep bearing sets when greasing a campagnolo hub?

In almost all cases where hubs are regularly serviced, bearings don't need to be replaced. The general consensus though is to replace bearings after so many thousands of kms. Many posts on the web say ...
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6answers
7k views

7-speed MTB cassette on 8/9-speed wheel hub, where does spacer go?

Sheldon Brown says "Add a 4.5 mm spacer before installing a 7-speed cassette on an 8-, 9-, or 10-speed hub", but doesn't seem to show spacer placement in any picture. My direct experience is that the ...
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0answers
69 views

Why does coaster brake hub growl when coasting but not when braking or pedaling?

I have an old two-seater recumbent trike with coaster brakes. One of the rear hubs rumbles terribly when the bike is coasting. When the brake is on, or when pedaling, it doesn't make a noise. I assume ...
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2answers
61 views

What can be done to fix a hub that has come apart?

I noticed recently that my rear tyre was rubbing on the frame when I was pedalling hard; the wheel had a bit of horizontal play in it, so I thought the cones might need tightening. Anyway, I left it ...
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3answers
102 views

Rear hub for randonneuring - any “classic” model?

I have recently had a failure in my rear-hub during a brevet. The bike I use for brevets was assembled from used parts, and I tried to choose components that are dedicated to randonneuring ...
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6answers
19k views

How often should I grease and repack my hubs and bottom bracket?

I am commuting 7 miles a day (round trip) in all weather in New England (temperate, moderately wet climate, cold winters). Overall I am putting about 1000 miles per year on my commuter bike, a 2009 ...
2
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1answer
163 views

What parameters are important when replacing a rear hub?

My rear hub is damaged. I have not yet inspected the source of the damage, but the wheel is moving sideways when rotating (a LOT), plus I rode it like this for about 35km. Therefore, I find it ...
4
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1answer
153 views

Should I repack the hub bearings on new wheels with quality grease?

The wheels in question are inexpensive ($100/pair) alloy wheels. If the answer is "yes", do you have an recommendations for grease? Currently I'm using "Finish Line Grease with Teflon" for most of my ...
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1answer
48 views

Wobbling on Shimano Nexus 8

My rear wheel has a Shimano nexus 8 internal gear shift. i noticed some wobbling on the axis recently. that means there is a little bit of play when i try to twist the axis sideways respective to the ...
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2answers
123 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 ...
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3answers
310 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 ...
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2answers
109 views

Adjusting over locknut distance with spacers

I'm trying to adapt a 130mm over locknut distance (OLD) hub to a 135mm OLD frame. Sheldon Brown suggests that I can just add in spacers between the cones and the locknuts. Sheldon doesn't say, ...
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1answer
126 views

Can I mount a wheel with a narrow hub to a wide frame?

Suppose I have a 120mm hub with a long axle, that I want to mount in a frame with 130mm dropouts. In principle, it seems to me that this should be fine, but I want to confirm this. One immediate issue ...
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1answer
219 views

What Changed with Shimano Hyperglide-C?

Shimano's HyperGlide-C (11-speed), are the hubs backwards compatible? Can I put an 8/9/10-speed cassette on a Hyperglide-C hub? Can I put a Hyperglide-C cassette on a Hyperglide hub?
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7answers
6k 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, a part from being heavier, how much will I loose in performance if I use hub gear?
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0answers
49 views

Can I use an old cog for my new hub?

I have an old wheelset with a 16T cog. It's currently a 120mm flipflop hub, and I'm going to be replacing it with a 120mm coaster. The coaster hub that I want doesn't come with a 16T cog (only 14, 15 ...
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1answer
56 views

Sram T3 cracks when pedaling, but it works, in all three gears.The bike is three years in use

My rear hub SRAM T3 cracks when pedaling, but it works, in all three gears.The bike is three years in use.What shoud be done, and how urgent is the problem? I think it's something with the rear hub ...
4
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2answers
409 views

Phil Wood Hubs: Anyone had a Pawl go?

I got front & rear Phil Wood hubs for a touring setup back in Oct of 2011. I'd been using them for commuting to work -- averaging 20 KM a day. Except I'd been off the bike for the month of ...
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2answers
135 views

Will riding cobblestones and rough streets kill my cup and cone hubs?

I live in pittsburgh, and we have some hills and streets which are belgian block, brick, poorly paved and pocked with potholes. It can be very jarring, but I still find myself flying down these ...
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1answer
271 views

How much “play” is normal in a Sturmey Archer 3 speed hub?

I inherited a bike with a Sturmey Archer 3 speed hub (Sturmey Archer AW, from 1984). I am very familiar with free-wheels and cassete hubs, but this is fairly new to me, although I did some research ...
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1answer
171 views

Adaptor for 20mm Shimano saint 810 hub to 15mm?

Currently I'm running a Shimano Saint 810 front hub and fork Lyrik coil 20mm. I've a good offer on a brand new Manitou Mattoc 2014. But this fork uses 15mm axle. I'm looking for an adapter to be able ...
3
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1answer
166 views

Overhauled hubs: still some noise

I've just, for the first time, finished servicing the hubs on my bicycle. They are of the cup & cone type (Shimano). The cones of the front hub where pitted so I got them replaced, along with the ...
2
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2answers
614 views

Can I swap a shimano free hub body for a campag one and be able to attach it to the existing Deore hub?

I want to convert my Surly Cross Check into a Campagnolo set up. The problem I am having is i have Shimano Deore Hubs on Mavic rims at present. I would rather not buy new wheels, so I am looking at ...
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2answers
305 views

What causes a wheel to seize?

My rear fixed-gear wheel seized up yesterday on my commute home. I suspect it's the result of my bone-headed adjustment after replacing a broken locknut on the axle (I may not have put the new ...
2
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1answer
269 views

Why is my Hope XC freehub locking when the quick release is tightened?

Recently I found that the freehub on my Hope XC rear hub won't rotate, but only when the wheel is in the bike and the quick release is tightened. I've removed the freehub (which slides off easily), ...
2
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1answer
273 views

Finding Correct Size Wheel for Bike

I am looking to replace the stock wheelset on my 2009 Jamis Aurora. I'm looking to replace wheels because I have a number of spokes break over the wheel lifetime and now my rear wheel is only in true ...
0
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1answer
191 views

Shimano rear hub body compatibility

My free hub body has cracked and im looking to replace it. I have discovered it uses a 14mm hex key to remove. I cannot find a freehub body for sale that matches m785. Will a "m760-m765" body fit my ...
4
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2answers
7k 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 ...
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1answer
554 views

How do I install a fixed gear cog on a screw-on freewheel hub?

I'm converting my old favorit bicycle to a fixie, but the hub is obviously not made for a fixed gear cog. I've removed the freewheel (not sure if it's called that, the thing that spins backwards on ...
0
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1answer
316 views

Are shimano FH-2200 hubs strong enough to use in a tubular wheel for CX racing?

I have a pair of Shimano FH-2200 front and rear hubs lying around which I no longer use and I would like to save money by using them for a wheel build but am unsure whether they would be up to the ...
2
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1answer
541 views

Replacing rear hub, beginners advice required

I have a Trek 1.5 2011 compact road bike that I abused a bit too much over winter. The rear hub has quite a lot of sideways play on it and I am buying the tools needed to hopefully fix this. My ...
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2answers
165 views

Which spokes should I get for an Expresso Coaster Brake with a Velocity Deep V 700c

I'm working on my first coaster project with an old 700c frame which I want to make really clean using an Espresso Coaster Hub. http://www.espressowheels.com/griptape.html Rear black coaster brake ...
3
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1answer
496 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
118 views

How does this hub come apart?

Really, I have two questions. But first, I see no place to put a wrench on this hub. Well, there is one small notch on one side on the dust cap (on the other side). How do I get this hub apart? It's ...
1
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1answer
167 views

Need replacement cones for Shimano front hub

I am rebuilding a Shimano HB-M475 front hub, but having trouble finding the replacement cones. This one has the M9 axle, but all of the replacement cones I have found are for a M10 axles. I need to ...
2
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1answer
259 views

Unknown freehub, trying to source

I have a neighbours daughters bike to fix at the moment. The freehub is totally seized. I've removed the freehub from the hub itself, but can't identify it nor have I see any like it. It doesn't have ...
1
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1answer
127 views

Can a bent hub damage my fork?

I've recently noticed that my front hub is bent, or at least the parts that connect to the fork (any name for this?). It's not a huge bent, but it's clearly visible with your eyes. It fits the fork ...