The big round things your bike rolls on. Rims, spokes, hubs, etc. If it's all about the rubber part, "tire" tag is better.

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103 views

Loose Hub on front wheel

Front wheel hub is loose and the whole thing wobbles a bit. Im a fan of dubstep but there's a little too much wubwub in my hub. How do I tighten that bad boy up properly? Thanks!
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2answers
1k views

how to translate MTB wheel specifications?

I am looking for a pair of wheels for a MTB build project, but I am lost when I read the specifications for wheel sets. What I am looking for is a pair of wheels with a 9mm rear axle diameter and a ...
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1answer
2k views

Shimano R500 or Alex ALX-295 - Which Are Better?

I have a set of Shimano R500 wheels on my current road bike, but have just upgraded bikes; the new bike comes with the Alex ALX-295 wheelset (they come on a Specialized Roubaix). Lots of the roads ...
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2answers
238 views

What will I need to consider when modernizing a pre-1990s steel frame? [closed]

I'm in the process of upgrading a well loved 1970s steel frame from a downtube shifter system to a modern 'brifter' system. Through this process I've had to look at many disparate sources to get ...
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1answer
76 views

Wheels changing on Giant Rebel 4 [closed]

Very often even without extreme riding my wheels are getting light 8-like form. Is this the reason to change wheels or sleeve Its more cosmetic problem which can evolute to more problems My bike is ...
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1answer
2k views

What is the frame called that fits 700c wheels?

I have a set of 700c wheels and am looking to buy a used frame. I want a frame that fits the 700c tires so I don't have to file down the front dropouts or use long reach brakes. What are the frames ...
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1answer
177 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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1answer
610 views

rebuild shimano wheel

I've dented the rim on my Shimano WH-RS-10 rear wheel. I found the tech doc pdf. I've had wheels rebuilt before but always with rims that were available to consumers. I can't find any place that sells ...
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1answer
602 views

What could cause a screeching noise when going downhill without brakes?

Going downhill on my road bike with aero bars without applying brakes results in a terrible screeching coming from what seems to be the front wheel. Are the bearings going out?
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1answer
73 views

Replacing Shimano RS21 rims

I have damaged the rim of my rear Shimano RS21 wheel (unexpectedly hit a sharp kerb) which affects braking quite severely so I was wondering if it is possible to replace just the rim and not the whole ...
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1answer
30 views

changing rim sizes

I bought a trek Marlin 5 with 29 inch wheels. I was wondering if I could switch the 29ers with 27.5 inch wheels. I would prefer the 27.5 inch wheels for some 20-30 foot jumps I've been hitting. Would ...
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1answer
80 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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1answer
258 views

max weight that the shimano Rs400 can carry ?

I am intending to buy the shimano RS400 pair of wheels to replace my 20 spokes wheels. I intend to use them for touring and commuting when an expected heavy luggage. Was wondering the maximum weight ...
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1answer
94 views

Disc brakes and single walled rims - is there something to worry about? [closed]

I know that the physics of disc brakes are different than rim brakes, but the differences are not intuitive to me so I want to double-check this. I understand that one fail point of single walled rims ...
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1answer
44 views

Tips for cleaning old glue from a carbon tubular wheel

I'm replacing the tubular tire on an all carbon wheel (no aluminum brake surface) and cleaning the old glue off takes a long time. What are some tips, products or tools I can use to speed up this ...
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1answer
208 views

Rear wheel needed

Rear wheel needed for women's 2014 Scattante road bike with the following details: Front wheel- Alex Rims A Class AKX R3.0 700C Road Wheel 28 Alloy Black, stainless 14 gauge spokes. Cassette- Shimano ...
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1answer
89 views

Max sizing for wheels and tires?

I was given an old 2006 Trek 1000 and I've been working on replacing everything. I just ordered a new Shimano Tiagra 4600 groupset last night and now I need to get wheels and tires. The bike ...
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2answers
121 views

Compatibility issues with upgrading a 1991 1400a Miyata Road Bike

I've only just started getting into bikes recently, so i'll try and be as accurate and succinct as possible. Apologies in advance if I confuse anyone. I want to upgrade the wheels and crankset on my ...
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1answer
131 views

SON 28 Hub Dynamo “Rotation Lock”?

I have bought and successfully installed a SON 28 Dynamo Hub and a Supernova The Plug III on my bicycle. However, when the wheel spins, the Hub Dynamo connectors will spin together with the wheel. ...
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1answer
138 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
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
3k views

Wheel Wobbles and Rubs on Brand New Bike?

I just got a brand new bike and it came partially assembled in the box. I don't have a whole lot of experience when it comes to working on or building bikes but I managed to put it together. theres a ...
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1answer
374 views

Choosing New Rims/Hubs & Assessing Size

I have a 10 year old Trek 7300 FX hybrid which came with Matrix 750 double walled rims. "559 x 19" is marked on the sticker of these rims. The tyres fitted are 700 x 38C (622) - I'm assuming (should I ...
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2answers
409 views

How much should the front wheel flex

I recently changed the speedometer on my bike, and had some problems to adjust the magnet on the spokes as well as the sensor. (The spokes are flat, and the magnet that came with the sensor was ...
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1answer
4k views

Minimum width tire?

I'm in need of replacement tires, and am a bit lost as to what the minimum width tire is for my wheel. Measuring the wheel gives a rim width of around 1". I know the tire has to be wider than the ...
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1answer
541 views

Tire's won't inflate after winter

A few weeks ago I tried to take my Trek road bike for my first ride since last fall. It has been sitting in my (uninsulated) garage over throughout the winter and when I tried to inflate my tires the ...
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2answers
2k 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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1answer
142 views

Rear wheel wobbles

my rear wheel wobbles while it spins, like in this video. I read in the comments that it could simply be a badly mounted tire. What's your advice on this, what should I do?
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2answers
601 views

Running one wheel with clincher and one with Tubular

I have a carbon clincher wheelset and am looking to get a disc wheel, but don't want to spend the money for the clincher version. Would there be any foreseeable issue with running one wheel with a ...
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1answer
616 views

Can I replace a 1/2 inch bolt with a 14mm one to secure my axle?

My front wheel is secured with 14mm bolts, while my rear wheel uses 1/2 inch bolts. Turns out my multitool has only a 14mm wrench, so I can't change the rear tire with it. Rather than carrying ...
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1answer
672 views

dishing on alfine hub

I am building a wheel with an Alfine 8 speed hub which has space for a disk brake. I am measuring the dishing by supporting the rim and measuring the distance from the table to the end of the through ...
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1answer
4k views

New wheel for 700x23c tire

I need a new wheel for my bike. I do not know how to tell what the rim size is. My tire size is 700x23c. It is my back wheel. I tried to have it trued which started breaking the rim. Rim finally broke ...
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1answer
94 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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1answer
190 views

Cassete spacer for CS 7800 and WH 7900

Should I use spacer on CS-7800 who is being installed on WH-7900 ? Or just install the cassete without 0.5mm spacer ? Cheers and thank you..
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1answer
224 views

Identify the components of this bike

I'm trying to identify, or find similar, parts on the bike in this video, specifically the front (three spoke) wheel, frame, and handle bars.
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0answers
38 views

650b for small rider?

I'm considering getting a bike for my friend; she is interested in riding road/gravel with me, doesn't own a bike of her own, and doesn't know too much about what's available. She is about 5 feet ...
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0answers
27 views

How to release a hydraulic brake (tightened with wheel off) [duplicate]

On my fairly new bike, I had to remove the front wheel on storage. I must have accidentally pressed the brake lever or so, because now the brakes are tight so that the disc won't fit in the brake (see ...
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0answers
46 views

507 rims on a narrow frame

I bought my son a powerlite Jr cruiser. He would like to but a bigger tire on it. It currently has 520mm 24" wheels with 1" tires. Question is how wide is a 24" 507 bmx rim? I can't find specs ...
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0answers
119 views

Is it worth completely replacing my track wheelset?

I own and commute on a 2009 KHS Flite100, bought used. Since purchasing it, I have spent around $250 getting it up to scratch, with new tires, pedals, saddle, and other small but worthwhile upgrades. ...
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0answers
133 views

Wheels keep getting buckled

I have a touring bike with one side-bag on the back frame. On average I cycle 60 miles a week. How often do I need to buy new wheels? As of late I keep buckling both wheels. Can anyone please help ...
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0answers
158 views

Who has information on this Fondriest Bike we found? Any good?

Does anyone here know anything about this old Fondriest bike? Thanks!
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1answer
2k views

Can it fit the rim i have? [duplicate]

Will a 26x1.50 or 26x1.25 slick fit on a rim that I now have with a measure on the tire 26x2.00 and the rims I have are 26inch bontrager AT-550?
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0answers
198 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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3answers
107 views

What road hub makes the least amount of noise [closed]

What brand rear hub and cassette has the lowest noise level for a road bike ?
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6answers
2k views

Is the 'shark wheel' a good idea for a bicycle?

I recently found a product that is a redesign of the common wheel. It's branded as the 'shark wheel'. It's basically a wheel where the rim is circular but bends like a sine wave. Simple idea but ...
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3answers
406 views

How long between spoke adjustments on a mountain bike?

I have a mountain bike that's now about 18 months old. At the 12 month mark I took it for its first annual service. Since then there's been a problem with the front wheel coming out of alignment. I'...
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4answers
4k views

Which spokes to get, Wheelsmith or DT Swiss Spokes?

I'm building two sets of 26" wheels, one pair of 32h triple cross with Bullseye hubs with machined sidewalls for rim brakes, and another pair of 24h double cross with Alex A-Class hubs with Sun rims ...
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2answers
26k views

how to reassemble mountain bike rear wheel hub and bearings

So I thought I would sort out my wheel bearings (after asking a few questions here first). Did the front without much of a problem, (reused the existing bearings at the moment, had not got round to ...
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1answer
541 views

What could cause an inflated tire to be “untrue” on a true rim

I just bought a new set of tires (Continental UltraRace 25-622 700x25c) for my bike, which has rims Rigida 28 x 1 5/8 x 1 1/8 - 700c. When I inflate the inner tube (both a Schwalbe 28" 18/28-622/630 ...
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1answer
550 views

Cheap Carbon Fiber Wheels

Right, I guess inserting where they're made in the title would be a little politically incorrect but essentially the link below would give you the exact product that inspired the question :- Cheap ...