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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2answers
2k views

What is 10x135 QR?

So, just before the standards changed I finished building a very fancy TD bike with 9mm dropouts that I now want a new rear wheel for. I can't seem to find many nice 9mm hubs anymore, but I'm finding ...
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1answer
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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 ...
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1answer
57 views

Need help identifying Industry Nine part

I recently picked up a box-lot of Industry Nine parts, including the items pictured. They are 92mm wide, and of varying diameters. Could someone please tell me what they are, and what they are used ...
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1answer
100 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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1answer
852 views

Should I repack the hub bearings on new wheels with quality grease?

The wheels in question are inexpensive ($100/pair) alloy wheels. If the answer is "yes", do you have an recommendations for grease? Currently I'm using "Finish Line Grease with Teflon" for most of my ...
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2answers
877 views

What size cone wrench am I likely to need for a Trek 1.5 2011 Compact rear hub?

Unfortunately the manufacturer's website, and google don't appear to hold this information. The only thing I've found is that the hubs are aluminium which doesn't really help. Is there a common size ...
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1answer
954 views

Can i use a 10 speed hubbed wheel on my 7 speed/cassette bike?

I ride a 2005 Claud Butler San Remo with a Sora 7 cassette on the back. My back wheel has broke and is not repairable and I have bought an Ambrosio WS23 Wheel (700mm) with Bianchi hubs which I believe ...
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1answer
2k views

Mountain bike axle diameters

Out of interest I would like to understand the benefits of having a 15mm or 20mm through axle over a 9mm QR (and a 10mm vs. a 12mm TA on the rear). What difference does it make to the ride?
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1answer
349 views

Bent spokes after lacing

It's the first time I build a wheel (3 cross) and I would like to use these components: DT Swiss H522 29" rim 36H DT Swiss Hybrid 350 Hub 36H DT Swiss Champion 2.0/1.8 J spokes When I insert ...
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1answer
3k views

Can I mount a wheel with a narrow hub to a wide frame?

Suppose I have a 120mm hub with a long axle, that I want to mount in a frame with 130mm dropouts. In principle, it seems to me that this should be fine, but I want to confirm this. One immediate issue ...
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1answer
462 views

How to service a 1995 Schwinn Phantom Coaster Brake hub?

I have a 1995 Schwinn Phantom beach cruiser with a coaster brake that I'd like to service. The coaster brake is staring to feel sloppy and hasn't been looked at in a long time. What tools will I need?...
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887 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 ...
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1answer
2k views

Proper lateral rear hub position (with spacers)

What is the proper position for a rear hub along the axle? So far my understanding is 'somewhere' slightly toward the non-drive side to leave room for the sprockets - and I understand that the rim is ...
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1answer
1k views

Can a hub casing be warped/bent?

For a couple weeks now, my commuter bike has been creaking ominously while I pedal, and just the other day, the rear wheel began to wobble up to a full centimeter to either side (rubbing the frame) ...
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1answer
280 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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4answers
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What tool do I need to remove this Joytech freehub?

I have tried 10mm allen: too small, spins freely, with very little grip. Hub brand: Joytech On the outer side it has 9 ball bearings. Video showing right/drive side: ...
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1answer
483 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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2answers
802 views

How to get a 7-speed bike with a freewheel on a direct drive trainer

My wife has a 2017 Specialized Alibi Step Through. Specs can be found here: https://www.specialized.com/us/en/alibi-step-through/p/154232?color=&searchText=B6617-7402 I have recently ordered a ...
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1answer
391 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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4answers
709 views

Which road rear hubs have 135mm O.L.D., disc brakes, are quick release and have at least 32 holes?

So, my Cannondale Synapse (2017) which I regret every day getting for causing so many different problems needs a new rear wheel. Its O.L.D. is 135mm, with disc brake, quick release and uses a Shimano ...
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3answers
3k views

Adjusting over locknut distance with spacers

I'm trying to adapt a 130mm over locknut distance (OLD) hub to a 135mm OLD frame. Sheldon Brown suggests that I can just add in spacers between the cones and the locknuts. Sheldon doesn't say, ...
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4answers
818 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 ...
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3answers
7k views

Can I swap a shimano free hub body for a campag one and be able to attach it to the existing Deore hub?

I want to convert my Surly Cross Check into a Campagnolo set up. The problem I am having is i have Shimano Deore Hubs on Mavic rims at present. I would rather not buy new wheels, so I am looking at ...
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2answers
368 views

Are freewheels really that prone and susceptible to bent axles?

I'm 90kg (198pounds) and I have a 27.5 hard tail mtb 9 speed freewheel and it is quick release. I only use my mtb as a commuter on roads and never on trail. I run my tires at 35-40psi. Ever since i ...
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1answer
1k 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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2answers
189 views

What can be done to fix a hub that has come apart?

I noticed recently that my rear tyre was rubbing on the frame when I was pedalling hard; the wheel had a bit of horizontal play in it, so I thought the cones might need tightening. Anyway, I left it ...
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1answer
4k views

Lock nuts on new hubs seem strangely tight, but can't seem to loosen them. Any advice?

As part of a new build I'm working on, I just had some wheels built up. The hubs are large flanged Miche Primatos with a double-sided fixed wheel. The rear wheel, straight out the box, seemed weirdly ...
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1answer
541 views

How to grease a hub?

I have a question about hub, When should I grease my hub ? every 20000 km ? How do I know it needs new grease ? Because I can not see if the grease is dry or not...? Thanks
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2answers
276 views

Freewheel threading on Miche flip-flop hub

I'm currently building a parts list for a new single-speed bike. In the process, I came across a nice looking flip-flop hub from Miche: The "Primato Pista/Strada" I figured that adding the fixed ...
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2answers
5k views

Any tricks to disassembling an Easton R4 rear hub?

We're looking at a Raleigh (very) lightweight bike with Easton R4 hubs on it. The rear (apparently part # HD10M1732 on the hub) has a broken spoke on the non-drive side. To access the spoke ends we ...
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1answer
109 views

Why front hub axle sticks/freezes when riding extreme downhill

My front hub axle has already frozen when riding extreme downhill. Looking at the hub, it looks like the right hand cone has self-tightened. Can you explain why this happens, and how to fix it?
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2answers
114 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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1answer
163 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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2answers
2k 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 ...
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1answer
757 views

Boost 148 and 110 standard specification

Where can I find exact specification for boost 148 and 110 axle specification. I was able to find many documents describing main features of it, but I would like to read document with all exact ...
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2answers
1k views

Freehub body wiggles

This is a OEM wheel from a 2014 Salsa El Mariachi Single Speed, called a "Salsa 2, Singlespeed" hub, which I believe is made by Formula. The freehub body "wiggles" (the thing that my fingers are ...
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1answer
917 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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2answers
2k 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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2answers
242 views

How does this hub come apart?

Really, I have two questions. But first, I see no place to put a wrench on this hub. Well, there is one small notch on one side on the dust cap (on the other side). How do I get this hub apart? It's ...
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1answer
580 views

What is this point of this Phil Wood “Rohloff Disc Rotor Compatible Hub”? [closed]

http://www.philwood.com/products/hubspgs/rohldisc.php As far as I can figure it is for people with Rohloff-equipped touring bikes so that they have the same rotor bolt pattern on their front and rear ...
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1answer
96 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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1answer
179 views

Which Shimano freehub body fits Campagnolo Calima?

I have a Campagnolo Calima C17 wheel set with currently a Campagnolo freehub body (FH-BU015) on it. Does anyone know which type of Shimano freehub body fits on this wheel hub? I searched but I cant ...
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1answer
69 views

Rear hub assembly becoming loose, not allowing backward spinning

I bought a used Kelly's Swag 10 2016 and it came with KLS (Kelly's inhouse wheels rebranding). The rear hub was not allowing to back pedal freely. When backpedaling, or trying to set the pedals in a ...
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1answer
1k views

Front hub conversion Shimano HB-M756L XT to Thru-axle

Has anybody converted a Shimano HB-M756L XT Front to a 15mm thru axle? The problem is that my bike fork has 15mm holes for thru axle but I have a new/nice set of QR wheels. I need to either convert ...
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2answers
249 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
202 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
3k 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 ...
3
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1answer
44 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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2answers
3k 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 ...
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1answer
485 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 ...

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