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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2
votes
2answers
38 views

Diamondback Century 2 (2015): What thru-axle skewer dimensions fit the original axle hubs? Lost the originals/internet search unhelpful

As the title says, I lost the original axle hub skewers (both front and back) while moving. I bought this bike secondhand over a year ago, and it's a 2015 Diamondback Century 2. Diamondback no longer ...
5
votes
1answer
102 views

How can I undo the locknut on this Shimano 105 hub

I'm having trouble working out how to properly service this Shimano 105 rear hub. I've watched some videos, read Leonard Zinn's book and following Park Tools' instructions, but it doesn't help. I've ...
2
votes
4answers
257 views

Why are rear wheels dished?

I know it's because of the space taken up by the rear cassette. But why not just make the hub narrower, and not make it asymmetrical? Sure, the drive-side hub flange must be moved inboard to make room ...
2
votes
0answers
57 views

What does the brake adjuster nut do? Sturmey Archer S2C coaster brake hub

Looking at the schematics of the sturmey archer S2C hub I noticed this part: 2 HMN425 Brake Adjuster Nut (Xylan) And I was wondering, what does it exactly adjust? Does it adjust the brake ...
2
votes
1answer
47 views

12-32 freewheel cluster?

Does anyone manufacture a 12-32 7-speed freewheel cluster to replace the current 13-28 on my 20" Dahon, with a view to touring with panniers? If that's impossible, & I decide to buy a 20" freehub (...
0
votes
1answer
148 views

Freewheel is not making noises [closed]

Freewheel on my bike is not making any clicking sounds like it used to when I bought the bike from the bike shop. I got the bike serviced last month due to brake making screeching noises and the rear ...
1
vote
1answer
60 views

SunRingle ratchet rings

I have a used Stan's NoTubes Neo hub and would like to replace the ratchet ring and pawls. These were once available but are now out of stock everywhere. Since these hubs, like most hubs these days, ...
1
vote
1answer
60 views

Ultegra 6800 front hub plastic cover loose

The plastic cover on the right side of my Ultegra 6800 front hub (red circle in the photo) is loose and rotates freely independent of the hub. Is it normal ? If not how can I clamp it back?
7
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3answers
2k views

Broken 26'' wheel

I need your recommendations. I have the issue with my rear rim. It was broken. And now I have a dilemma to buy a new wheel or buy a new rim and use hub, spokes from the previous wheel. One problem the ...
6
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2answers
2k views

What is this nut?

I've been searching on Google for the last hour trying to figure out if this is some kind of security nut. It's on a Shimano hub on the rear wheel.
2
votes
1answer
90 views

Are sealed bearings equal to cartridge bearings in single speed hubs?

Single speed hubs are often speced with sealed bearings. In my brief market search I haven't seen any hubs with cartridge bearings in the specifications. Are sealed bearings used synonymous with ...
1
vote
0answers
42 views

Formula hub - fixed cone on the axle

Does anybody have the diagram for a generic Formula hub axle assembly? It has a fixed cone on one side of the axe with no spanner flats. I'm not sure which side of the hub this is supposed to go on ...
2
votes
1answer
67 views

Building a 700c bike. Hub sizes

Trying to build a bike on a cyclocross frame. So the wheel will be 700c. Need hubs. Fork size is 100x15 with thru axle. Rear drops size 142mm x 12mm thru axle also. So it means I need any hubs which ...
11
votes
3answers
2k views

Busted my bike hub & derailleur (I think) - how bad is it?

I screwed up :( Background leading to my foolishness: I've been straining my bike quite a bit with hills and inclimate weather, and I haven't been able to find my maintenance kit since I've moved, so ...
2
votes
1answer
90 views

Proper way of choosing hubs

Not a product rec question, I mostly need to know the way of selecting the correct hubs for me. I've got a GT Avalanche 9R expert and I'm not happy with it's hubs. I use this bike only for xcm and ...
2
votes
2answers
169 views

Over-locknut dimension (hub distance) (cup depth) changed after 10.000km

Recently I wanted to replace my bearings and spotted something strange. My Over Locknut Dimension has reduced by 7mm. You can spot the difference when you compare it to the new hub: Can this happen ...
4
votes
2answers
100 views

Is the lateral brake disc position standardized (and, if so, to what tolerance)?

I am thinking about getting a second wheel set for my CX bike to be able to easily swap between road and off-road tires (and possibly run a tubeless setup). The bike is equipped with 12mm through-...
0
votes
1answer
34 views

Thread diameter of hub

I've got a rear hub Shimano 5353 with a freewheel,I want to change the wheel for the one with campganolo hub,I dont know whether my freewheel will suit campganolo hub
0
votes
1answer
198 views

Front wheel doesn’t spin freely

My front wheel doesn’t spin freely. I had the hub tightened and now it has a lot of resistance. I use bolts, not a quick release. There isn’t rust on the fork, the brakes are not rubbing.
0
votes
1answer
55 views

Looking for a 40 (or 48 hole) 126mm rear freewheel hub with cartridge bearings [closed]

I was just told that my wheel is toast. Really -- it's just the rim. I had another broken nipple and, when they opened it up, they said the aluminum oxide rained out of it like a salt shaker. I guess ...
0
votes
1answer
40 views

Shifting is crunchy in Shimano CB-E110

Looking for advice for my GFs Pelago Brooklyn, which has a coaster brake Shimano CB-E110 hub. When shifting gears, the chain hops and crunches. The chain also looks a bit saggy. I only have experience ...
0
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0answers
30 views

Hub ,rear hub,shimano 5353 [duplicate]

I've got rear wheel with shimano 5353 hub and want to change it for a wheel with Campganolo record rear hub. I wanna know if my freewheel will fit Campganolo record azzorro hub, coz it's and old ...
-1
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1answer
49 views

Freewheel for my hub

I've got back wheel with shimano 5353 hub and want to change it for a wheel with Campganolo record hub. I wanna know if my freewheel will fit Campganolo hub, coz it's and old version of freewheels ...
1
vote
4answers
326 views

Use Brompton BWR 3-speed hub to create a full 700c wheel?

I have been looking at getting an internal gear hub wheel for my commuter. I currently ride a fixie and I find myself wanting a lower gear at stop lights and a higher gear in straight aways. Basically ...
1
vote
1answer
28 views

Hub compatibility for Felt Nine 60 2017

I have Felt MTB Nine 60 2017 and I want to change my rear hub but don't know how to look for compatibility. It says 6 bolt QR x 135.
4
votes
2answers
253 views

How to remove axle and bearings from a B'TWIN Triban Aero wheel

I have a B'TWIN Triban Aero rear wheel and am trying to replace the sealed bearings. After removing the end caps and a DS rubber seal I can see the ends of the bearings, at this point I assumed that ...
1
vote
3answers
161 views

Reassembling rear wheel hub

I have a ten year old decathlon cheapo bike and I wanted to take out the axle out of the rear wheel to see if I could replace it with a quick release mechanism and also learn a bit about how it works (...
2
votes
2answers
748 views

Where are the bearings in thru axle hubs?

So I’ve looked all over the internet to find an anatomy picture of a thru axle hub, because I don’t understand where the bearings go, and I can’t find anything helpful. Can anyone help me understand ...
1
vote
0answers
101 views

DT SWISS 1800C Spline converting from 142-12mm to 135-10mm thru bolt

I'm building up my AWOL 2016 model and bought new wheels and front fork. With the front wheel I have no issue, but the back wheel presents a small problem. The wheels i bought are DT Swiss C 1800 ...
3
votes
1answer
487 views

Can I replace loose ball bearings with caged ball bearings in my hub?

I currently have loose ball bearings for my hubs and I am wondering if I can put caged ball bearings in there instead. Can anyone let me know if they are better or worse than loose bearings. Also I ...
4
votes
2answers
226 views

How important is it to re-space my rear hub?

I just bought new wheels for an older Schwinn frame. I don't know the date it was made, but it's a steel frame and as built it had stem shifters and a cup-and-cone bottom bracket, etc. Probably from ...
2
votes
1answer
117 views

When I stop pedaling my bike the rear gears keep turning, is this an easy fix? Bike is a vintage Raleigh Grand Prix

Raleigh Grand Prix chain and rear hub keep turning when coasting
2
votes
2answers
546 views

Which spokes go on the non drive side and which go drive side?

I just wanted to make sure I understood the guy at the shop. The spoke calculator gives you left side and right side spokes lengths Left side go on the non drive side i.e. the side where the rotor ...
1
vote
1answer
141 views

Replaced axle and now clunking in back

I finally got a rear axle replaced, and all new cones on a new axle... I assembled it back together with 7 or 8 of the bearings in on each side and some grease, put it all back together, put the ...
1
vote
1answer
223 views

Are thru-axles generally hollow or solid?

Need to know if these thru axles (of any size) have an internal diameter or are completely solid. How common is each type?
1
vote
1answer
145 views

Lateral movement on rear cassette

My cassette (SRAM XG-1175) moves axially about 5 to 8mm (in line with the axle, not up and down) on my hub (whatever is standard on a 2016 Enduro Elite) But the part of the hub the cassette mounts to ...
10
votes
3answers
9k views

How to make a kid's bike easier to pedal

My daughter has a hand-me-down 16" wheel bike, and she finds the pedals very difficult to turn. The bike currently has a single-speed coaster hub on the back. Is there any way to replace the rear hub/...
4
votes
2answers
321 views

Bearing cone and locknut won’t tighten. Easily fall off when taking wheel off. Has it snapped?

Recently I noticed a ball bearing had almost fallen out of the hub so I took the wheel off to find out what’s wrong and the cone that covers the bearings just fell off the wheel! Not the one but both. ...
4
votes
1answer
288 views

What is the regular maintenance on electric hubmotors?

I don't own a Blix bike/electric bike though I rode one once... I was wondering where are the technical docs/howtos on the rear motor's maintenance? I have to rework the back wheel, replace axle or ...
0
votes
1answer
137 views

Is this hub beyond repair?

I recently took my bike in for a service and they told me that the hub and bearings had worn out and they needed to be replaced. I took the wheel off and rotated the bolt thing going through the ...
-1
votes
2answers
821 views

How to remove very very tight hub locking nut

Even when I use a Park Tool axle vise in the correct hole, I'm still having a lot of trouble removing either of the locking nuts on the axle. I'm holding the cone wrench in one hand then pushing ...
2
votes
2answers
259 views

What could be causing excessive friction in a new rear hub?

I recently had my bike (Focus Mares CX) serviced by my LBS, during which they replaced my wheels with a set of new Campagnolo Khamsin wheels. In the month since I had that done I've found it markedly ...
3
votes
1answer
330 views

How do I reassemble this Quando rear hub?

Closely related to how to reassemble mountain bike rear wheel hub and bearings, but not quite identical and my noob brain cannot piece things back together. I disassembled the rear hub to clean it ...
1
vote
1answer
230 views

Finding compatible fixed-gear cog and lockring

I have a flip-flop hub that came stock on a Trek single-speed. I'd like to install a fixed-gear cog and lockring opposite the existing freewheel. How can I determine which cogs and lockrings are ...
3
votes
1answer
234 views

Replaced rear axle, now seems to wobble

I was replacing a tyre a couple of days ago, and noticed my rear axle had snapped. So I replaced the axle, just a normal road 10mm x 145mm, it's a basic Shimano sprocket set and no-name aluminium ...
4
votes
2answers
1k views

Freehub has notches worn into it: is it OK?

I bought a pair of second-hand wheels, and after removing cassette noticed these notches on the freehub. Is the freehub still in OK condition?
2
votes
1answer
150 views

I can't extract sealed bearings out of the wheel

I face the problem again of extracting the bearings, this time out of the wheel of my Giant XTC Advanced 29” 1.5 2017, Giant wheel system, hub OEM manufactured by Formula. Once removed caps and ...
4
votes
1answer
186 views

I can't extract sealed bearings out of hub

I am attaching pictures of the rear hub of my Giant XTC Advanced 29” 1.5 2017. The hub is manufactured by Formula. I am unable to extract the bearings. I'm tapping hard from the side of pawls, ...
3
votes
2answers
558 views

Early Rider Belter hub maintenance

My son has had an Early Rider Belter for around 14 months. Recently, I've noticed the free-wheel sounds "gritty", and there is quite a bit of friction if you move the cranks backwards while the rear ...
0
votes
1answer
52 views

Back wheel lock up, when got off wheel would move side to side [closed]

I have a 29 inch Iron-Horse/Sunday 24 speed. My back wheel locked up, when I got off the wheel would move side to side. I thought I lost bearings, took my freewheel apart and clean. Doesn't look like ...

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