Questions tagged [wheels]

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

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9 votes
5 answers
3k views

How important is to have many gears on a e-bike?

I am planning to buy an e-bike and I have been wondering what’s the right thing to choose between: 1 X 8 traction, 29”, 36V • 16Ah → 576Wh battery, or 3 X 9 traction, 27.5”, 36V • 10.4 Ah → 374Wh ...
1 vote
1 answer
23 views

Communication with electric and bluetooth wheel (imortor)

I would like to know about the specs, standard or protocols to communicate through Bluetooth with the controller embedded in the wheel. By default the wheel can be managed through BT with a very poor ...
4 votes
2 answers
3k views

My front brakes got pulled off and they can't be put back on?

Came out of work and found that my front brakes have been messed with and no longer work.I've tried to put them back, but it seems that the thin bit of cable that the other side of the brake latches ...
9 votes
5 answers
5k views

Cannot steer my bike with with new adult training wheels

I just had adult training wheels put on my bike and I cannot steer it properly. The roads in my neighborhood are all cambered (raised in the middle) and the bike keeps pulling strongly to the right. ...
  • 153
5 votes
3 answers
333 views

Holes on inner side of rim are off-center. Problem?

I noticed that the holes on the tyre side of a rim are not centred. Some are more to the side, some less. The image below shows a hole that comes up all the way to the edge of the central channel on ...
  • 778
12 votes
1 answer
1k views

Little "holes" on carbon rims' profile: what are they used for?

I have mounted a new set of carbon rims on my bike. To be precise, it's a pair of Mavic Cosmic SL. And I've noticed that they have some little "holes" along the profile. What are they used ...
  • 223
4 votes
1 answer
169 views

Did I lace this rear wheel correctly?

I just laced a new 32 spoke rear wheel following this Park Tool tutorial: https://www.parktool.com/en-int/blog/repair-help/how-to-build-a-wheel I don’t have any other 32 spoke rear wheel to compare to....
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2 votes
0 answers
47 views

Would anyone happen to know what model this HED wheel is?

I have come upon this HED rear disc wheel and want to do a quick cost evaluation, and identify the model year ideally. Any help would be appreciated!
  • 53
9 votes
1 answer
367 views

Possibility to machine hub cones

A while ago, I started buying and fixing used bikes and parts. As a result, I have quite a large number of old individual wheels lying around, most of them with bearings that are no longer good. Since ...
  • 416
3 votes
0 answers
84 views

Building a Rohloff wheel [closed]

I want to equip my my Surly Ogre with a Rohloff hub. I plan to do a lot of touring but also want to ride locally on both pavement and single-track, figuring on changing the tires when going on ...
  • 173
0 votes
0 answers
174 views

Should every cyclist feel a resonance frequency at a given speed?

On a stand When I hoist the bike on a stand and spin the rear wheel with all I've got on the highest gear, then sit back and watch it slow down gradually, there is a point where the bike + stand start ...
  • 6,215
4 votes
3 answers
863 views

Is there a difference between truing a bike wheel and balancing it?

When pro cyclists were riding at 70-80 kph at past TdFs, I didn't wonder. Now that they are hitting 100-110 kph, I am getting curious (and also praying for them, but that's a separate issue). Car ...
  • 6,215
1 vote
0 answers
68 views

Spokes break loose after riding

I’m new here. I’ve been on a funny adventure through rebuilding my old city bike back wheel. I rebuilt it from scratch. I mean lacing the spokes. It’s important to highlight that everything is old ...
3 votes
1 answer
133 views

Strange noises when using brakes

Im pretty much devastated already. The wheel making this strange scritching noises when I use my brakes. If I block the wheel by brakes and move the wheel back and forth, it will sound the same. The ...
4 votes
2 answers
375 views

Is a Spoke "collar" (i.e., spoke well) in deep section wheel replaceable?

I have an ~20 year old Mavic Cosmic Elite rear wheel, which has a relatively deep cross section: The spoke holes in the rim have "collars", which the spoke nipples rest in: One of these is ...
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0 votes
0 answers
49 views

20 inch wheel HOLLOW HUB

I have a 20 inch wheel with 28 spokes. The hub has no bearings but a slot in it to accept a pin in axle. As the axle turns, pin keeps wheel from slipping on axle. Who made it, no one knows. I have ...
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8 votes
2 answers
910 views

What's the difference between more or less expensive carbon wheels?

I've got a gravel bike, and since I sometimes take it on road rides, I am thinking about getting a set of carbon wheels with road tires to swap out with the knobby tires I already have which work ...
  • 245
3 votes
1 answer
415 views

Tyre pressure aero wheel

I don’t know what to do in this situation with my road bike. My aero wheel say max 103 psi on it but my tyre range say 115-145 psi. I weigh 180 lbs. Do I inflate them to 100 psi or 115?
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3 votes
2 answers
655 views

Bicycle rear tyres getting stuck

I just got a east man 26 inch bicycle recently, and just the very day i got it the rear tyre starts getting stucked while riding.
6 votes
1 answer
1k views

How to I get my handle bars to cooperate with my wheel?

Alright, I haven't owned a bike in 20 years and am doing my best here. The handlebars turn the wheel, but it still slides around when met with any resistance at all. I have tightened as best I can all ...
5 votes
2 answers
375 views

Are carbon wheels suited to gravel riding?

I have a mid-range gravel bike, and I am interested in upgrading the wheels. I was thinking of getting deep-ish carbon wheels (~40mm or so) so that I would also have an upgrade path if I want to ...
  • 245
6 votes
2 answers
1k views

How can I clean these wheels?

These are my old vintage bike rims. How can I clean them?
2 votes
4 answers
747 views

Should I complain at the LBS about a new dead-on true wheel with unequal spoke tension?

When I roll a new wheel (tyre mounted on wheel, wheel mounted on frame, frame on stand), it is dead-on true. Still, out of curiosity, I go around the wheel squeezing and plucking the spokes. The ...
  • 6,215
2 votes
2 answers
132 views

Momentum and gyroscopic difference between wheel sizes

A common folk wisdom in mountain biking is that smaller wheels (like 26") are "quicker" or "more flickable" and "better for courses that require lots of speeding up and ...
  • 3,197
2 votes
1 answer
123 views

A tool for comparing outer diameters of different tyre sizes?

Everyone is probably aware of internet resources such as BikeInsights.com that allow the user to compare two different frames/bikes' size and geometry both visually and through raw data. I have looked ...
  • 11.4k
5 votes
2 answers
554 views

Cassette with more gears on same wheel?

I would like to retrofit an 11-gear cassette onto my bike which currently has a 9-gear cassette. Both cassettes are Shimano, and both are relatively modern. I know I will need a new rear shifter, and ...
  • 53
9 votes
5 answers
673 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 ...
  • 11.7k
0 votes
1 answer
71 views

Tube size and tyre size mismatch

I have spares of 700x25C tube for my old bike. I bought a new hybrid bike. Can I use them for my new bike with tyre size 700x35C?
9 votes
4 answers
544 views

How fast do carbon and aluminium rim brake tracks wear?

Rim brakes wear the wheels' brake tracks. How long do wheels usually live until they're worn (In terms of distance, not time)? Of course I realise this depends on how much I brake, not how much I ride....
  • 693
1 vote
2 answers
206 views

Wheelbuilding a rim with offset holes - how to lace?

Disclaimer: this has been asked and nearly answered, but I'm still missing some detail. I have a symmetrical rim with offset spoke holes (Spank Spoon 32, 26", 32 holes, see pic) which I want to ...
  • 151
3 votes
1 answer
112 views

Is a 700-23C 23/622 Road Bike Tire appropriate for a 25-28/622 Road Bike Wheel?

Simply Put, the tire bead won't hook into the wheel. The issue occurs with BOTH Wheels. I thought one rim might be compromised, but NOT both. When inflating the wheels, the Tube starts to push ...
  • 31
4 votes
3 answers
546 views

How to silence freehub on DT Swiss Spline wheels?

I just finished building a new gravel/commuting bike. For this build, I have bought a pair of DT Swiss Spline C 1800. However as I switched from an early 80's Peugeot bike to this new gravel, I ...
  • 103
0 votes
0 answers
28 views

Can I fit 25 MM tires on Bontrager Paradigm Comp 25 wheels? [duplicate]

I am switching from a tubeless 32mm tire to a 25mm tire set with tubes. The tubeless is messy and with the number of flats we experience I feel going back to tubes will be easier.
3 votes
2 answers
461 views

What type of bikes have a steel frame with 135mm rear dropouts spacing?

I'm looking for a bike frame made of steel with a 135mm rear dropouts spacing. The reason is that I might have to cold set at ~ 138mm for a project. It could be a road bike, a mountain bike, or a ...
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5 votes
2 answers
516 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 ...
  • 6,215
5 votes
1 answer
213 views

Is it safe to ride on wheels with rusted spoke eyelets?

I bought an old Bianchi with 26" wheels and I’m finding it hard to find a replacement with max width 23 mm tires and an old 6 speed freewheel I was trying to true the wheels but the nipples where ...
  • 1,477
1 vote
1 answer
84 views

Front wheel squeak

I am wondering what is the correct solution to this problem and if I am diagnosing the problem correctly. Recently, my front wheel started squeaking once per revolution of the wheel. I tried to ...
  • 161
2 votes
1 answer
125 views

Wheel not straight in dropouts - can this cause brake rub?

My front wheel is not straight in the fork dropouts. It's been like this since I've bought the bike second hand a few years ago. See pictures below. I've tried installing an identically sized wheel ...
  • 377
4 votes
1 answer
124 views

Deriving formula for spoke lengths

I know that I can use online calculators or tables to determine spoke length. I also know that there are some pre-derived formulas for spoke length that I could use to calculate the spoke lengths or ...
  • 3,197
10 votes
3 answers
832 views

What can cause wheel spokes to snap in the middle?

While sitting outside with my bike next to me a spoke spontaneously snapped. What could have caused this? Even worse, after getting the spoke fixed and the wheel retrued at a bike shop, four more ...
5 votes
1 answer
457 views

Will this modern road bike hub fit in my 1990's MTB (130mm restoration)

I have a mid 1990's MTB with 130mm OLD between dropouts. In order to fit a 9 speed Hyperglide cassette I switched the wheel for a modern 135mm and removed spacers on the non drive side. Works like a ...
  • 383
4 votes
3 answers
796 views

Pinging sound on new radial front wheel

I just installed a new Shimano WH-RS100 radially spoked rim-brake front wheel. It was purchased new, and the shop checked it for trueness. I think they made one or two small adjustments. After putting ...
  • 3,017
3 votes
2 answers
154 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 ...
1 vote
3 answers
188 views

Help finding diameter for WTB ST i30

I need to replace my rim, and I'm hoping to rebuild the wheel myself. It would be really useful to know the ERD (effective rim diameter) of my current rim, so I can see whether a straight swap will be ...
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3 votes
1 answer
87 views

Safe to replace cross pattern spoked front rim brake wheel with radial-spoked?

I feel a bit silly asking this since I'm about 95% sure this is safe, but I just want to double check. I have a 2010 Specialized Tricross (carbon fork, cantilever rim brakes). The stock front wheel ...
  • 3,017
0 votes
5 answers
123 views

Gluing rim—rim-strip—inner-tube—tire junctions

When braking (with any kind of brakes) the tire is subjected to friction against the road. If by mistake a clincher tire has grease all around the two bead sides, it could potentially spin while the ...
  • 6,215
2 votes
1 answer
152 views

MTB BSO rear hub – bearing size dilemma

Background I am fixing up an old MTB BSO (MTBSO? Or even MBSO?). I reckon it's from the 1990s or early noughties. My ambition is to do it myself and as cheaply as possible. The fault is that the axle ...
  • 2,032
2 votes
1 answer
232 views

Spacing for the front wheel on GT Agressor

I'm thinking about purchasing the NUKEPROOF HORIZON V2 FRONT WHEEL or Spank 359 vibrocore both 27.5. I'm just wondering the best wheelset for my bike and what would fit. I had an accident and my rim ...
4 votes
4 answers
666 views

Should I seriously consider radial lacing?

Summary: Radial lacing looks cool, but is it better? Not expecting bicycles.SE to be the right forum, I asked about the dynamics of spokes on Engineering.SE and didn't get a satisfying answer. I then ...
  • 6,215
2 votes
1 answer
95 views

Where can I find removable training wheels?

Where can I find training wheels that would fit into these slots: All the training wheels I've seen online are ones where you have to attach by removing the hex nut on the center of the back wheel. ...

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