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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2answers
543 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
908 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
179 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
236 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
72 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
1k 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
149 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
390 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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3answers
1k views

Are velocity A23 rims suitable for building a wheelset for a 29er Mountain bike?

I'm was looking to build a new wheelset that I can use on my rigid Karate Monkey 29er using either cyclocross or Trekking tires for gravel / dirt road riding and 29er tires for singletrack (mostly ...
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1answer
301 views

Calibrate Tensiometer

I want to calibrate my Park Tool TM-1 for my weird spokes. I want to build a box with some kind of weight mesuring device where a spoke can be put under 1600N of tension. Rummers on other boards say ...
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1answer
92 views

How do I pack a road wheel for shipping?

I need to ship a rear wheel back to the manufacturer for a warranty issue (Mavic). I'm wondering what the best, most secure way to package it is so that there can be no refutation that 'it was ...
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1answer
92 views

Cadence and speed monitor on rear wheel?

I'm just wondering if you are able to put the cadence and speed monitors of the polar cs200 on the rear wheel for stationary training?
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1answer
72 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
49 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
393 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
117 views

Install hub dynamo on new cyclocross

I'm buying a Cannondale CAADX 105 Disc and I'm planning on installing a hub dynamo, perhaps an SP PD-8. 1.) I haven't done this before, but judging by what I have seen on YouTube: Get the new spoke ...
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1answer
160 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
235 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
1k 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
83 views

Need help for my wheel size

If my tyre size is 27 by 1/4. what size of wheel do I need. I just bought a second hand road bike and will need to repair it. But one of my problems is what size my wheels are, 700c or 27 by 1/4.
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2answers
873 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
125 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
428 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
443 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
450 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
526 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
3k 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
90 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
177 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
217 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
51 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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1answer
48 views

SON 28 Hub Dynamo “Rotation Lock”?

Good morning/evening/night. I have bought and succesfully installed a SON 28 Dynamo Hub and a Supernova The Plug III on my bycicle. However, when the wheel spins, the Hub Dynamo connectors will spin ...
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0answers
32 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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1answer
76 views

cold setting 3-speed road frame to 7 8 speed cassette

So my old road bike has a 3-speed freewheel, dropout spacing is about 114 mm. I'd like to give it an upgrade and put a 7 or 8 speed cassette (maybe stick with a freewheel if 6-7 speed, I just want ...
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0answers
174 views

What's the inner width of my rim?

I just measured the inner width of my rim with a ruler and it seemed to be a hair over 14mm. Looking at the tire sizing chart on Sheldon Brown's site it doesn't have an entry for 14mm inner width ...
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1answer
806 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
174 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
205 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. ...
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4answers
358 views

Will disc brakes aggravate the problem with spokes pulling through the rim?

I am hoping that a mechanical engineer can give an educated answer to my question here. I am concerned about this because I have always had some trouble with spokes pulling through the rim on the rear ...
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4answers
3k 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
182 views

When I put my bike on the repair stand and turn the pedal, is the rear wheel supposed to spin freely

I recently bought a cheap road bike. I feel a little drag in the back. When I put it on a repair stand and turn the pedal, the wheel spins a few times and stops.
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2answers
21k 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
413 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 ...
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2answers
165 views

Is it possible to loosen or crack the tire when I change a broken tube?

If I don't use the proper tools. Last time I used spoons to take out the tire.
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3answers
782 views

Can I use cartridge bearings on my wheel hub?

I have a vintage road bike, at the moment there are loose metal bearings in the hubs. Some of the bearings are missing. Can I buy cartridge bearings or do I need to buy loose bearings? Thanks
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2answers
148 views

Did I buy the right mountain bike?

So I recently bought a 2014 Specialized hardrock 26" disc XC hardtail. I already taken it out on the trails. I've done research and found out that cross country bikes have less travel than ...
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4answers
184 views

Air Pressure on wheels [closed]

Does the perfect air pressure is related to the performance of bikes? If yes, what is the exact amount of pressure required on MTB, Hybrid, City Bikes and BMX?
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4answers
114 views

How tight should the spokes be on a bontegra wheel set stock for a madone 5.2?

Recently I encountered speed wobbles going down a bridge at 40 mph. I swear I saw death look me in the eyes. I'm considering the wobbles came from uneven tension on the spokes. The spokes are most ...
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5answers
923 views

is a 29er a good fit for a 5'9 height?

I'm a 5'9.5 and I use a 26er gt and I don't feel that comfortable as it feels so small. I've also tried a 27.5 merida, it was an improvement but I can't still quite grasp that same feeling when you ...
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1answer
195 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 ...