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

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422 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 ...
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158 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 ...
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397 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 ...
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3answers
241 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 ...
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3k views

Is there a tool (or preferred method) for removing the snapring that holds the cog on a coaster brake hub?

I was overhauling a coaster hub the other day. The snapring was recessesed and no screwdriver in my arsenal was small enough to remove the piece. Park recommends using a small screwdriver to remove ...
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2answers
2k views

100 mm front hub, 94 mm fork dropouts, options?

Simple as that. I thought I could He-Man the fork to fit the hub as it's only 3 mm on either side. Looks like it requires a bit of force and I'm concerned about breaking something in the long-run; ...
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96 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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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. ...
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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?
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2answers
624 views

Do DC HUB Motors For Electric Bikes use regenerative braking?

Or do I need a special control circuit aside from the included electronics?
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1k 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 ...
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3k 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 ...
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154 views

Bicycle rear hub sounding weird

My rear axle broke about 2 weeks ago, and I replaced it with a new one. I also replaced the ball bearings with new ones when I did this. The issue I am having is when I'm going with a higher speed ...
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362 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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91 views

What 's the size of bearing?

What's the size of ball bearing on WH-R550 hub, is it 1/4" for the front one and rear one ? Can I replace them with 1/4" ceramic bearing ? Thanks
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25 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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2answers
87 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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2answers
73 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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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 ...
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124 views

Novatec D041SB and D142SBT Hub Quality [closed]

Anyone have idea, how is the quality of Novatec D041SB and D142SBT Hubs?
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20 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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1answer
715 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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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 ...
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179 views

What to upgrade on a Raleigh MV7? 20"

I am undecided to upgrade the BB and crank or change a wheelset. Any advice on what might help me spend less effort pedaling? I actually find a steel 26" MTB easier to pedal.
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4answers
739 views

Is there 28 hole front/rear drum brake hub

No time research this now, so has there ever been made a 28 hole front or rear drum brake hub? I know that Sachs and Sturmey-Archer have done a lot of drum brakes. Neither to my knowledge have such a ...
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203 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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3answers
192 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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2answers
597 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 ...
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1answer
759 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 ...
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1answer
120 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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1answer
809 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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264 views

i have an se dirt jumper with 4 sealed bearings in the rear hub, can i convert it from QR to solid axle?

i dont want the quick release for single speed, i want to ditch the skewer for a solid axle to torque it down good for single speed... my LBS mechanic said they couldnt do it but with sealed bearings ...
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115 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 ...
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1answer
167 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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95 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 ...
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1answer
527 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 ...
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404 views

Can I install an 8 speed sturmey archer hub on a dahon folding bike

Can I install an 8 speed sturmey archer hub on a 6 speed dahon folding bike ?
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3k views

Freehub has started slipping, what can I do?

I've just gone through the london winter and both my bikes now have a slipping freehub. Admittedly my mountain bikes' freehub is quite old and probably worn out, but I'm wondering if they are seized ...
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747 views

How is the quality of carbon wheelset from taiwan?

Recently I read from some websites, it sells taiwanese carbon wheelset, How is the quality of the carbon rim, spokes and hub from those wheelset made in taiwan ? I didn't see any brand name, so it's ...
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33 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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1answer
53 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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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 ...
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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
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3answers
235 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 ...
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1answer
284 views

Raleigh Twenty forks too narrow to accept 93mm hub

93mm hubs are standard size for the R20s but on this particular bike there isn't enough clearance between the fork ends to get a wheel in (I'm using an original R20 wheel as a replacement so it's ...
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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 ...
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286 views

Spoke length with NOVATEC GOLD PISTA hubs and H PLUS SON SL42 rims [duplicate]

I have bought the NOVATEC GOLD PISTA hubs (http://novatecusa.net/project/a166sbt-rh/) and the H PLUS SON SL42 rims (http://hplusson.com/products/SL42) with 32 spokes. Someone know how does long I must ...