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

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Nexus 3 Speed Hub Up Steeper Hills Turns Weird

I have a Linus Roadster Sport that has a Nexus 3 speed hub on it. It shifts gears just fine but I noticed recently that when I have it in first gear to go up a somewhat steep hill, the pedals turn ...
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1answer
44 views

What are rotary gears? Sturmey Archer 3 Speed

I am confused by the three three-speed hubs that Sturmey Archer offers that are supposedly the same thing (3 speed hubs with a 177% range). I can gather that the S-RF3 is simply an Aluminum version of ...
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22 views

Where to find a 14.4 mm long and 16.9 mm wide hub cone?

I was servicing my bike's ball bearings in my wheels when I noticed that the rear hub cones need to be replaced, as they are heavily wearing down. I looked online for replacement hubs but none fit the ...
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1answer
90 views

Reassembling Shimano FH-M150 rear hub

First time servicing a rear hub for me. I disassembled and cleaned my Shimano FH-M510 rear hub, removing the nut, washers and cone only from the left side of the axle. When I went to insert new ...
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1answer
55 views

Is it possible to use a 9 speed rear shifter with 11 speed cogs/cassette? Is there a disadvantage?

I'm new to biking and I plan to upgrade my bike, but with limited funds I can only upgrade the wheelset and cogs(cassette). Is it okay if I add the 11spd cogs but my shifter is only 9 speed (limited ...
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1answer
85 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 ...
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81 views

Servicing DT Swiss 240 FRONT hub

this is my first post here. How can I service a DT swiss 240 front hub, as in remove the adapter ( end cap ) to get to the insides? Do i need a special tool? Does it even need servicing? There is ...
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80 views

How to fit 10 speed cassette on this hub

I bought a pair of Mach 1 wheels from PlanetX that said the hub was compatible with Shimano 8/9/10 speed. When I tried to install my 10 speed Tiagra 4700 cassette it doesn't seem to go down far enough ...
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81 views

What type of hubs attach on only one side< Tricycle front hubs [duplicate]

I wish to build a tricycle and one of the limiting factors is getting the front hubs. I search for tricycle hubs on ebay and get nothing useful. I would need both the hub and axle or the axle ...
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1answer
82 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
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72 views

Identifying Rear Axle Size

I've got a bent QR rear axle and am looking for a replacement. Seems that these come in 9.5 and 10 mm sizes with a couple of different threadings. When I measure the OD of the threads I get around 9.8 ...
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71 views

Rear Hub Axle Appears Bent – Causes and Repair Strategy

I had my rear wheel off of the bike noticed that as I spin the axle it appears to be bent – the freewheel end of axle, for lack of a better way to describe it, orbits the centerline of the axle. ...
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33 views

Internal hub gear suddenly stopped shifting

I have never had an internal hub gear bike before, so I don't know much about them. My issue is that all of the gears stopped working suddenly when I was just riding the bike. The bike has 5 gears, ...
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3answers
110 views

Rear hub bearing replacement

Bike noob here. I have a Quando rear hub with a busted cap? By cap I mean the cap covering the bearings beneath the cone. This cap is separate from the bearings. It hold the balls in place. Is it ...
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43 views

Fixed hub threaded

I recently purchased a pre rad Bike, my friend who is a bike guy found it for me and said it was a good buy. Now when I learnt to skid I was fanging thru traffic non stop loving it, until that is the ...
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3answers
288 views

Hub dynamo, maybe loose contact; maintenance?

I experience problems with my Shimano hub dynamo. A few days ago, I stood in the dark, without any visible damage. Measurement prove that the dynamo does not deliver power. I measured DC and AC ...
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1answer
74 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 ...
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3answers
225 views

How to properly remove bearings from through-axle track hub

I am trying to learn the right way to remove bearings from a track hub. The bearings are cartridge bearings pressed into the hub. The axle has a ridge that prevents it from being removed while both ...
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1answer
68 views

What is measured by hub size?

When they say 135mm hub I don't particularly understand. What are you measuring? The radius? They say that a particular hub will be short for fitting gears. I say if I change rear wheel completely, ...
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1answer
144 views

Front Hub Wheel Falling off

I have a Generic 1000 watt front hub motor and the front wheel keeps coming loose. What should I do? I think I have heard of something called a torque arm. Will this help?
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1answer
125 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 ...
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2answers
104 views

Dynamo hub cones regulation

I have bought my first dynamo hub wheel with Shimano DH-3N72 hub. The axle of the wheel fells like if it is over-tightened a bit, it rotates with feeling of clicks. Should I loose the cones in the ...
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1answer
296 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 ...
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2answers
89 views

What speed is my Shimano Nexus 8 Hub in?

I made a mistake when changing a flat. I didn't have it in 4th speed. When I was changing the flat I shifted it for more give on the shifter cable >_< . Now my shifter says 4 and I don't known what ...
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1answer
67 views

What is the spacing for trek 1.1?

I'm trying to find new wheels for my trek 1.1, and I can't find the spacing for the hubs. The wheels I'm looking at have a front spacing of 100mm, and a back spacing of 130mm. Will these fit on my ...
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3answers
232 views

Are carbon hubs a good idea?

I'm beginning to see manufactures making carbon hubs and am wondering if they have the potential to perform better than conventional metal hubs or if they are just a way to save a couple of grams of ...
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2answers
135 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 ...
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65 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 ...
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1answer
188 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 ...
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1answer
307 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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1answer
122 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 ...
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4answers
140 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 ...
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1answer
189 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 ...
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2answers
511 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 ...
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1answer
125 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 ...
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1answer
117 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 ...
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1answer
176 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 ...
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1answer
80 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 ...
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3answers
711 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 ...
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1answer
218 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 ...
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1answer
139 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. ...
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1answer
77 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 ...
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1answer
84 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?
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2answers
19k 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- ...
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1answer
36 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?
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2answers
84 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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1answer
157 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 ...
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3answers
318 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 ...
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4answers
9k 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 ...
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1answer
256 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 7/16"...