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

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5
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6answers
923 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 ...
-1
votes
0answers
36 views

Alfine 8 crunching/grinding in highest gear

I have recently bought a bike with an Alfine 8 hub and it was working well for the first week or so. Then there was a couple of gear drop outs whilst I was riding so I made sure to line up the yellow ...
1
vote
3answers
242 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 ...
1
vote
3answers
136 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 ...
1
vote
0answers
26 views

Can you identify this Sachs hub?

I recently picked this up along with a couple of old wheels. I don't know it's age or history. I've only got as far as identifying it as a Sachs. There are no other markings apart from the logo ...
1
vote
2answers
75 views

Can an imperfect hub make a disc rotor rub?

I had a 160mm disc rotor on a road bike that was rubbing a bit in one spot, not severely, but enough for me to notice. I've tried to true it a few times over the past couple months with little ...
0
votes
1answer
54 views

1987 Schwinn Tempo Maillard hub rear axle

I have a 1987 Schwinn Tempo with 32h Maillard "Sealed mechanism" hubs. (I'm still confused about that phrase, maybe it's a bad translation? They're completely unsealed cup-cone hubs). The axle is ...
6
votes
6answers
10k 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 ...
4
votes
3answers
157 views

Will slightly loose bearings result in damage?

I just overhauled some cheap bmx hubs. I installed new bearings and cones. Now I'm trying to get the hubs adjusted so that the bearings will last as long as possible. I had always thought that ...
1
vote
1answer
39 views

SRAM Cassette on Campy Wheels

I wrecked my current wheel set in a crash and am considering purchasing a set of Campy Hyperons from a friend. AFAIK the wheels are stock and haven't been tweaked in any way. I would like to know if ...
1
vote
1answer
98 views

How can I tell where the damage is in the hub?

I am pretty new to bicycle maintenance. I've replaced brake cables, and patched tubes, but not much else. This week my plan was to clean up my back hub, because the wheel hadn't been turning as ...
1
vote
2answers
89 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 ...
4
votes
1answer
862 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 ...
5
votes
4answers
565 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 ...
2
votes
2answers
138 views

Will two spacers between the cassette and the hub effect the chain line?

So I have a set of custom wheels (White Industries T11 hubs) and when the cassette is correctly fastened to the hub with the single spacer provided the cassette cogs can be moved in the direction ...
2
votes
1answer
64 views

Missing lock nut part

Not sure what to call it, but a couple of my wheels are missing the grippy washer thing that sits on the lock nut. They seem to be attached to the lock nut to begin with, but they just fall off after ...
1
vote
0answers
44 views

Wheel building for n360 + disc brakes on H Plus Son 700c, 36h

I'm working on building a couple of wheels for a road/commuter bike. This is my first wheel building endeavor. I have: 2 H Plus Son 700c, 36 hole wheels A Nuvinci n360, 2012 model A set of TRP Hylex ...
1
vote
2answers
624 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 ...
3
votes
1answer
127 views

Difference between grease

Is there a sensible difference between special bike grease (i.e. park tool grease) and grease used in vehicles? Is it worth (when speaking about cheap bikes) spending 10 times more money for special ...
3
votes
2answers
185 views

How to minimize damage from pitted cones?

While working on a old 60's Raleigh I found that there is slight pitting on one of the cones on the front hub (rest of the hub is good). Ideally I would replace the damaged part and move one, but ...
2
votes
1answer
68 views

Do new hubs need to be adjusted prior to use

Do new hubs usually come adjusted, or one needs to adjust them prior to use. I have a new Shimano Claris hub, and it does not seem to be as smooth rolling as my previous Tiagra hub. Should I try to ...
1
vote
1answer
728 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 ...
2
votes
3answers
2k 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 ...
1
vote
1answer
162 views

Repairing a damaged cone nut

So I've got a nice hybrid bike that I picked up secondhand, was doing some maintenance on it to get it up and running and thought I'd replace the bearings in the rear axle. In doing this, I've found ...
1
vote
0answers
127 views

Novatec D041SB and D142SBT Hub Quality [closed]

Anyone have idea, how is the quality of Novatec D041SB and D142SBT Hubs?
1
vote
1answer
78 views

Visual inspection of wheel hub

I need to build a new bicycle (others are gone, stolen :( ). Good thing is, I have two spare wheels of decent quality in my basement. These old wheels took quite a beating though, when I was younger. ...
0
votes
0answers
42 views

Disc Rotor Alignment Mavic Crosstrail

I have a disc rotor alignment question you maybe can help me with. I have a Canyon Nerve AL+ 8.0 that's been working nice until the front wheel got stuck on the brake. First I thought it was a brake ...
3
votes
2answers
669 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 ...
1
vote
1answer
58 views

Can I convert my velocity 9-speed rear road hub to bolt-on?

I have an older velocity wheelset with their standard 9-speed road hubs. Can I convert these hubs (particularly the rear hub) to bolt on?
2
votes
3answers
3k views

practical pro and contra for Nuvinci CVT especially for hilly terrain

I'm thinking of buying new bike next year, most probably combo for exercise & commuting in summer. Since terrain is relatively hilly here and both fixed city-bike and casual combo with 3x7 gears ...
0
votes
0answers
42 views

What does the rear hub sound mean, is it efficiency or the more the noise the better? [duplicate]

a friend of mine told me the larger the sound the better, is he right or the sound is just energy loss so not a good thing
3
votes
2answers
4k 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- ...
1
vote
0answers
21 views

What is the length of the Hope XC internal spacer from freehub to bearing?

I think I have a worn spacer as it has ragged edges. Does anyone have the length of this spacer when new?
0
votes
3answers
193 views

New bike hubs way over-tightened?

I have a limited budget, and I've never bought a new bicycle before. However, I just bought a 24" Giant XTC from a very bicycle-inept person who's kid had only used it a couple of months. Anyway, I ...
1
vote
2answers
82 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 ...
0
votes
3answers
239 views

Can't remove lockring

Have been trying to get the lockring removed from my cassette so I can replace it with a spacer kit and one sprocket (singlespeed conversion). I managed to get it loose, although the wrong way - so ...
1
vote
1answer
92 views

Hubs compatible with 7 speed cassette

I have one Gt aggressor 2.0 2014 and want to make some upgrade. So someone told me to buy a new hub to use with a 9 speed cassette. I want to buy the hub but later the 9v cassette, so has any hub can ...
3
votes
4answers
2k views

sealed hubs vs normal hubs

My lbs recommended sealed hubs to me. Here are my doubts. Seeing as how I never ride in the rain or any such wet substances, I don't really need the "sealed" feature. Sheldon Brown says that if ...
0
votes
1answer
116 views

Axle to wheel bore ratio? [closed]

This may be the wrong site but it's the closest one I thought someone would have knowledge of the question... It's not for a bike but rather replacing the wheels on a power wheels... The axle is ...
1
vote
2answers
112 views

Is this hub shot?

While inspecting a used road bike ($200) I pulled the rear wheel off to check the hub. I twisted the axle to see if there was any damage. It wasn't at all difficult to turn it, but there was a bit of ...
0
votes
2answers
61 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 ...
1
vote
2answers
635 views

Do DC HUB Motors For Electric Bikes use regenerative braking?

Or do I need a special control circuit aside from the included electronics?
2
votes
1answer
190 views

Continuing to use damaged cones in rear hub?

I've read in many different places that if you take a hub apart and see damage on the cups, cones, or bearings (may god have mercy on you if your cups are damaged) That they must be replaced. I ...
1
vote
3answers
326 views

My back wheel isn't connected to the gears

I have an old bike it says Via Montega on the body if that helps. I was ridding it earlier when the peddling stopped resulting in forward motion. I thought the chain might have come loose but it is ...
0
votes
2answers
609 views

Why does my chain slip off the chainring when cruising or back pedalling?

My bike is a little more then a year old (although I do put a lot of miles on it, about 12 miles a day), this problem seems to have started about a week ago. It's a 7 speed Avilon Next (a cheap brand ...
2
votes
2answers
120 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 ...
2
votes
1answer
450 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 ...
1
vote
1answer
468 views

Shimano Claris FH-2400 Rear Hub Dimensions

I would like to purchase this hub, rim and suitable spokes, but I am not able to find dimensions of this hub necessary to calculate spoke size. I have checked usual places where such information can ...
1
vote
2answers
92 views

Loose Hub on front wheel

Front wheel hub is loose and the whole thing wobbles a bit. Im a fan of dubstep but there's a little too much wubwub in my hub. How do I tighten that bad boy up properly? Thanks!
4
votes
9answers
6k 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 ...