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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5 answers
583 views

Can I replace just the internals of a wheel's hub instead of the whole wheel?

After a while (e.g. 10 years or 40,000 km) the bearings in the hub of a wheel become worn-out -- this is with disk-brakes i.e. where the wheel's rim isn't worn-out. The bike shop told me that it's not ...
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1 vote
3 answers
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Cracked hub seal ring—will it be a problem?

I just bought a mid-quality used wheelset for an excellent price, which came with the caveat that one of the seal rings on the front hub is cracked (see following images for context). The wheels are ...
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5 votes
2 answers
504 views

Does a z-shaped cone wrench exist?

This is a massive cone, and I was under the mistaken belief that if it remains perfectly smooth, I can either overhaul it yearly, or grind it with a Dremel and repack the grease every two years, and ...
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0 votes
1 answer
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Sturmey Archer 3-speed hub adjustment

I am going crazy here. I have a SA SRF3 mounted on a 16 inch wheel Dahon bike I bought second hand. The bike needed some love and I managed to put it to my liking. Unfortunately I reached a dead end ...
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5 votes
1 answer
156 views

What kind of Freehub body is this?

What kind of Freehub body is this? It looks like an old Uniglide but the threads go all the way down, and it's very short (as I hope you can tell with the ruler). It's on an unbranded hub attached to ...
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3 votes
2 answers
133 views

Can I convert a WTB LaserDisc Lite hub to 15mm thru axle?

I have a pair of wheels that are WTB LaserDisc Lite quick release hubs laced into Mavic 717 rims. I would like to convert the front hub from QR to 15mm thru-axle. WTB sell replacement hub parts on ...
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2 votes
1 answer
44 views

What ball bearings for the hub of the front and rear hubs of DT Swiss dt r24 db Spline 2016?

Removed the end caps, but can't read the size w/o removing the bearings since the red side doesn't have any text on it.
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2 votes
1 answer
181 views

Tune freehub pawls damaged?

Sorry to bother you again with another weird question. On my gravelbike with Campagnolo Ekar and tune Prince CL rear hub (3 teeth, N3W freehub body), I removed the rear wheel for a routine task and ...
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2 votes
1 answer
383 views

Are Shimano cone part-numbers sold in packs of ten and not available to consumers because they are meant to be dealer items?

I see that Shimano has part numbers for every washer, nut, and cone in each hub, but these are sold in boxes of count 10. Is the idea that these (cones, in particular) are consumables and one would ...
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2 votes
1 answer
282 views

Can I put a different manufacturer’s freehub body on my hub?

Can I replace my Mavic Cross One freehub body with a non-Mavic one? I want to switch to Shimano microspline.
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1 vote
2 answers
530 views

Serivce Manual for Specialized full sealed bearing thru axle hub

I have a Specialized Tarmac SL6 which comes with "Specialized full sealed bearing thru axle hub". I tried searching for the hub specifically but cannot find any number or series on the back ...
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4 votes
3 answers
565 views

Can QR cause Brinelling in hub bearing?

I received a new bike with a rough front hub bearing. Turning the axle indexing is noticeable, that when slowly turning the bearing it repeatedly snaps into the same position. It is a cup-and-cone ...
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3 votes
2 answers
433 views

What Shimano microspline rear wheel hub would fit my 26in Mavic Cross ride wheels?

Title. I purchased a new Deore 1x12 groupset without realising I would need to change the rear hub to fit the new microspline Shimano introduced a couple of years ago. What would the Shimano rear ...
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1 vote
2 answers
78 views

looking for new rear hub/ wheel for 2014 SPECIALIZED DEMO 8

I'm looking for a new rear wheel or hub to go on my 2014 Specialized demo 8, cant find many, needs to be 12mm X 148-150mm, i can find some, but not many that are 10 speed, all 11 speed, any help or ...
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4 votes
2 answers
250 views

Does it make sense to change the orientation of unmoving bearing components to equalize wear?

I was intrigued by some of the points mentioned in this question regarding grease fills, namely: [...] which means that the ball bearings get to distribute the load over the entire surface area, ...
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10 votes
3 answers
797 views

How much grease should I use to pack hubs?

The "NLGI consistency number (sometimes called “NLGI grade”) expresses a measure of the relative hardness of a grease used for lubrication". How much grease should I use to pack hubs? Should ...
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1 vote
1 answer
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Replacing a "simple" hub with a dynamo hub

I asked a question recently about replacing a cracked front hub on a vintage steel wheel (How to replace a broken front hub on a vintage steel wheel from a vintage steel bike?) Thanks for all the ...
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8 votes
2 answers
458 views

Can time-till-rest be used as a hub-regrease-and-repack flag?

The traditional way to determine whether the hubs need repacking, regreasing, and perhaps a ball bearing change is to grab the two sides of the fork or both seatstays after spinning the corresponding ...
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1 vote
1 answer
60 views

Are there different standards I should watch out for in fixed gear cog/hub compability?

I'm thinking of giving fixed gear a go on my single speed bike. Due to shortages, parts are sort of expensive and I'm thinking of sourcing cheap parts, i.e. take whatever fixed wheel I can get and ...
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4 votes
3 answers
493 views

How to replace a broken front hub on a vintage steel wheel from a vintage steel bike?

My mother's old bike is being used as a 'spare bike' for various of the kids. It's from the '70s, a steel framed, steel wheeled, dynamo lit, sit up and beg granny bike with a sturmey archer three ...
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3 votes
1 answer
80 views

How do I remove this hub?

I purchased a used set of wheels for an old Schwinn. I'm looking to replace the hub because when I put the old Schwinn front freewheel system cartridge on it, the spacer rubs quite badly against the ...
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  • 131
0 votes
2 answers
72 views

Disc rotor rubbing against pad when bike is tilted

There is a fair amount of lateral movement of the rotor between the pads in the rear wheel break calipers. I have played about trying to centre the rotor as best as I can to stop the ching noise ...
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1 vote
1 answer
58 views

Bent axle causing hub to loosen, the other way round, or axle gradually bending?

Getting ready for a recent tour I noticed a little play in my back wheel with an intermittent clunking noise as well, so adjusted the cones. The feeling afterwards wasn't perfect, but I put that down ...
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5 votes
2 answers
461 views

Servicing worn out bearings cone

I recently noticed a strange "sand paper feeling and noise" when turning the wheel of my bike, and decided that it was time to learn to service the bearings of the hubs (cups and cones ...
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4 votes
4 answers
194 views

Shave 1.85mm off to get an 11s road cassette onto a 10s hub

Does anyone have experience removing material to get an 11s road cassette onto a 10s hub? As per the hub standards, the difference between the width of a 10s and 11s freehub body is 1.85mm. The back ...
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0 votes
1 answer
49 views

Shimano T610 hub with 9 speed casette - I need spacer ring?

If I would to use the Shimano deore T610 hub with 9 speed casette (hg400 11-32) - I need spacer ring? If yes, what size?
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-1 votes
2 answers
116 views

How to attach thru-axle wheels to a truing stand designed for QR wheels?

I have a rather cheap wheel truing stand, bought from here: https://www.rosebikes.fi/rose-wheel-truing-stand-553816 (it was a fraction of the price it sells for now when I bought it). The truing stand ...
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1 vote
2 answers
150 views

Identify hub / freehub body on Giant FCR 2 2008

The rear wheel bearings on my 2008 Giant FCR2 need replacing, and the freehub body is feeling a bit notchy, so while it's all in bits I'd like to be able to have the option of replacing. I understand ...
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1 vote
3 answers
46 views

What hub for cassette to mount in frame with ear fork width 12cm (currently it's single speed)

I have a single speed bike with rear fork width 12cm. Is it possible to mount there a hub with multi gear freewheel? I measured my other bike's rear fork width and it's wider - 13cm. So I expect that ...
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3 votes
0 answers
97 views

New hub slipping when powering up?

I recently had my Giant Propel SLR serviced (including new chain, Cassette and a new Hub) as gears were beginning to slip. However after the service when I climb into top / hardest gear and put the ...
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6 votes
2 answers
319 views

Questions about Boost frames and cranksets

I made the plunge and have purchased a new 2016 Stumpjumper FSR carbon frame. The post on eBay--from the Specialized Outlet Store, no less--was incorrect when it stated the frame had 142mm rear ...
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3 votes
2 answers
259 views

Is this axle cone/ball pitting serious?

I took the rear wheel off my bike (80s raleigh with modern wheels, used for short journeys mostly) today, and noticed some uneveness in the rear axle. Disassembled to find slight pitting inside on ...
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  • 223
3 votes
2 answers
214 views

Hub end cap replacement for a B'TWIN Triban Aero wheel

I have a B'TWIN Triban Aero rear wheel with a Aero 28 hub on my B'TWIN Triban 520 flat-bar. Some heartless **** decided to steal my rear quick release mechanism the other day, losing/also stealing the ...
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3 votes
2 answers
578 views

Shimano MTB hub with pitting cones

When I disassembled my Mountain bike's front hub (Shimano HB-MT400-B) so that I could clean and re-grease the bearings, I found that the cone on one side was developing pits. There are about 4 small ...
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  • 357
2 votes
1 answer
97 views

How to properly tighten "internal" nut on the rear axis?

This is basically a follow-up of my previous question. I am talking about the nut between the frame and the cassette (see attached image). In other words not the "external nut" which fixes ...
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7 votes
2 answers
1k views

How to adjust drivetrain so I don't pedal empty air?

You might know what I'm talking about: coast a bit, then start a pedal stroke, and there may be zero resistance for a part of the cycle (let's say 30 degrees) like you're pedalling empty air. Then the ...
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  • 143
4 votes
1 answer
518 views

Rear cassette Identification

Can anyone identify this type of hub? I need to replace the cassette, but I cant find anything that matches the cassette or hub. Its from a Schwinn Traverse 26". Thanks
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1 vote
1 answer
85 views

What length do my spokes need to be for DT Swiss hubs and rims?

I'd like two build a couple of wheels based on DT Swiss hubs. https://www.bike24.com/p2380232.html ( H24PNCDBR28SA3232S ) https://www.bike24.com/p2380225.html ( H24PACIXR28SA3228S ) Using XR 331 27.5 ...
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6 votes
2 answers
113 views

Why some IGH have off-center flanges?

I was browsing specifications of internal gear hubs and noticed that many of them have flange center moved to left (relative to hub center). I'm wondering why, I think IGH should have symmetrical ...
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1 vote
1 answer
128 views

How do I get this cone nut off?

I’m attempting to remove a freehub and have removed the locknut and washer on the non-drive side. However, the cone/cone nut doesn’t seem to want to come off. Is this nut supposed to unscrew from the ...
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  • 35
3 votes
1 answer
152 views

Hub bearing preload approaches

I am the owner of a bike with a DT Swiss RWS thru-bolt (kinda like a thru-axle but it fits in regular 9/10mm dropouts) skewer system. I saw in their marketing fluff that one of the supposed advantages ...
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  • 129
3 votes
1 answer
49 views

Can spoke j-bend be too long for hub?

I have antique hub where i put new spokes and spoke j-bend appears to be too long (This picture spokes are only hand tightened)? Original spokes j-bend was shorter compared to new.
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  • 424
7 votes
2 answers
505 views

Cup and cone bearings: better a little tight or a little loose?

A bike is commonly full of cup and cone bearings: pedals, hubs, bottom bracket, headset etc... The component change but the logic still the same the bearing is in between an axle, a pair of cones and ...
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  • 460
3 votes
1 answer
114 views

NOS vintage hub vs modern hub

I have an early 80s Schwinn Prelude. I need to replace the rear wheel. The question at hand is should I spend $300 on a pair of NOS (new old stock) Superbe Pro hubs, which have the original 126 mm ...
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5 votes
1 answer
211 views

Are general-use ball bearings okay?

I lost a ball bearing today. Is it okay to go to a hardware store and pick up a general 1/4 in. steel plain ball bearing to replace it? Performance is not a concern, only longevity of parts.
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  • 153
1 vote
2 answers
275 views

Replacement Rear Axle Sizes on Vintage Bike

I bought this 1990 Raleigh cheap on eBay. It had been sitting in a garage for decades and it was barely running when I picked it up. Surprisingly, given its age, most components were fine. But there ...
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  • 143
1 vote
1 answer
111 views

Electrochemical corrosion - bolts holding axles

I suspect similar questions like this have been asked before, but rules on this stackexchange require that I create a separate thread. So please bear with me. I believe galvanic corrosion happens ...
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  • 11
3 votes
1 answer
479 views

Why is this rear wheel not aligned with the frame?

My LBS sold me a new wheel. I put on the new wheel. I'd go back to the LBS, but I'm afraid that I live far away from them. Alas, I'm now having this problem: As you can see, the wheel is quite not ...
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  • 1,415
2 votes
4 answers
386 views

Shimano Nexus 8 IGH : recommendation or changes in bike setup for high altitude ride

I have bought a second hand bike (VSF T-100) which incorporates Shimano Nexus 8 IGH. The balls wobble inside the gear. So gear is not smooth. I have to change the IGH with a new gear and rim. I will ...
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  • 21
3 votes
1 answer
203 views

Shimano SIS rear hub offset question

I'm a beginner bike mechanic and am working on a used project bike I got cheap. I was just switching out the rear tire and tube for some new 700x25c Gatorskins and when I went to go put the wheel back,...
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