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22
votes
1answer
532 views

'safety dot' on rims

My Araya GP-710 rims have a sticker that says 'safety dot' with arrows that point to little dimples in the rim -what are they for ? Dimple not visible in pic, but are on the rim
18
votes
6answers
7k views

Can your rims wear down from too much braking?

I have a question about rims based on information in another question. The person asking states that he doesn't want his rims wearing down. Is this really a problem? Assuming you don't wear the ...
17
votes
8answers
49k views

How to get a very tight tire back on the rim?

I needed to change the tube as a consequence of a flat tire and I am in the situation that it's just impossible to put the tire back on the rim. In almost ten years of experience with road bikes and ...
12
votes
4answers
6k views

700 wheels on bike made for 27" wheels

I just bought an older road bike with 27" wheels. I am curious if I can mount 700 wheels (typical road size) on it. Has anyone ever done this? The main reason I am interested in doing this is so ...
11
votes
4answers
6k views

Should inner tube have excess length?

I've recently changed the default 700x35 tires and 35mm Schrader inner tube to 700x25 slicks with 25mm Presta inner tubes. However whilst fitting the new tire and inner tube, I noticed that the inner ...
9
votes
1answer
666 views

Why to choose 36 or 32 spokes (or another number)?

I have to change the rims of my bike and I have to choose between 32 or 36 (or 48 or any other variation). I never thought about this until now and I feel it's kind of a dumb question, but I don't ...
8
votes
4answers
3k views

Enhancing brake force with steel rims in wet conditions?

I currently own an old racing bike, that still has ripped steel rims and a side pull caliper brake. The braking power is acceptable when the street is dry, but as soon as it gets wet (even morning ...
8
votes
2answers
5k views

Spokes loose on a new wheel, is this expected or a bad build?

So a couple of months ago, I bought a new front wheel from the local bike shop. It's a 28 spoke wheel, rims are the DT Swiss RR465 and the hub is a 240s. I put 500-600 km on it and noticed a rattle ...
7
votes
3answers
2k views

Do aluminum rims provide better braking than steel ones when wet?

When I upgraded the brakes on my bicycle recently, the shop asked if I wanted to also switch from my (chromed) steel rims to aluminum rims, saying the aluminum rims would provide better braking power. ...
7
votes
3answers
3k views

Are deep rims more durable for a heavy rider?

Since I weigh quite a lot (~115kg), and ride on bad roads with many holes and cracks, I am looking for rims that would be able to cope with bad conditions without getting out of true or breaking. My ...
7
votes
3answers
4k views

What is the widest tyre that you can get away with, on a standard road bike?

In general, what is the widest tyre that you can get away with, on a standard road bike (with dual pivot brakes)? Edit: I have a Campagnolo Eurus wheelset.
7
votes
6answers
8k views

Deep-Profile Carbon Wheels — How to choose depth?

I'm doing research for a future purchase of new wheels (for everyday riding) for a 2012 Cannondale CAAD10 Ultegra. I want to spend ~$1000 (give or take $200 or so). In my price range I've found: Boyd ...
6
votes
5answers
2k views

Schrader tubes in Presta configured Rims?

My 26" mtb rims support presta sized tube stems, however can I drill the diameter of the holes in the rims bigger in order to support Schrader stemmed tubes? what is the proper way to do this, is ...
6
votes
2answers
1k views

Tire slips off the rim when inflated to 8bar

I bought new wheels for my roadbike (shimano wh-rs80 which have c24 alu/carbon rims). I was mounting tires on them yesterday and inflated them to 8 bar (~116 psi). After a few moments (30 seconds or ...
5
votes
5answers
753 views

Do we really need another bike size?

OK, this is a rhetorical question that deserves to be closed as "opinion based", but gotta ask. Why do we need to have "27.5 inch" bikes? If you dig through the specs (they don't come right out and ...
5
votes
2answers
1k views

Re-painting Rims

Over time, the paint on the rims of a wheel has slowly been eaten by a set of brake pads. How do I strip left over paint? What type of paint should be used? How can I ensure the new paintjob will ...
5
votes
10answers
6k views

What should I use, VeloPlugs, Rim Tape, or Rubber Rim Strips in new wheels?

I'm building two new sets of mountain bike 26" wheels, and I'm wondering what to go with. Both are double walled rims, so in addition to the standard rim tape and strips, I can use a product like ...
5
votes
2answers
7k views

Can I convert hybrid to mountain bike. Tyres and tubes?

I have a mountain bike looking frame with wheels that currently have road tyres. The bike is classified as a hybrid. My tyres state: 28" x 1.6 (42-622) The rim: ETRTO 622 x 18 I am having ...
5
votes
2answers
191 views

Is this rim safe?

The rim has a parting at the join: This is a brand new wheel, and I was wondering if this is a safe one. Could it split at the join?
5
votes
3answers
2k views

Can I run rim brakes on a disc rim?

I'm trying to buy a front wheel which will work with both disc and rim brakes so that I can use it on my cross bike (with rim brakes) and my mountain bike (with disc brakes) with a dynamo hub to power ...
5
votes
1answer
458 views

Buying slicks for a cross bike

The whole rim/tire size thing baffles me. I have a Specialized cross bike that has DT Swiss rims (622x 14). The tires are Tracer Sport (700 x 33). I would like to get a pair of slicks for longer road ...
5
votes
3answers
23k views

Can I put 700c tires on rims made for 27 x 1.25"?

It's getting hard to find any selection for my old Avanti 12 speed. it currently uses 27 x 1.25 inch tires. Can I put 700c tires without needing to buy new rims?
5
votes
1answer
1k views

Fixing damage to brake rim surface

somehow the alloy braking surface of my rear wheel's rim has got a series of quite shallow lacerations, less than a mil' deep bunched quite closely together (the effected area is no more than 1/8 of ...
5
votes
1answer
1k views

How to choose rim strip width?

After referencing How do I know which size and type of rim strip to buy? I still couldn't use any of the answers to identify the correct width of rim tape to choose. Velox tape comes in narrow ...
4
votes
3answers
1k views

Retrieving Loose Nipple from Inside Rim

So I have a wheelset that I really like, only problem is the first time I rode the wheels a nipple came off the spoke when I launched off a speed bump going downhill. For a long time it was silent ...
4
votes
2answers
9k views

How do I know if I can replace the 27 inch wheels with 700c wheels on my bike?

I recently purchased an 80's Japanese bike off craigslist called "Jupiter King." It has 27 inch tires but I want to switch to 700c for greater wheel/tire selection. I specifically want some nice ...
4
votes
3answers
2k views

Why does my back wheel keep becoming untrue?

So I broke a spoke a week ago, and when I put a new spoke in you know I trued it. Now, a week later, the bike feels like a kayak, because the back wheel is not very straight. Any idea why this would ...
4
votes
2answers
271 views

Will Slick Tires Work for a Mountain Bike Ridden by a Heavier Rider?

I've owned a Trek 3500 bike (shown below) for 2.5 years now and I like it very much. My bike has the same specs as under the link. It has the XL frame size and 26" wheels with Bontrager AT-550 ...
4
votes
5answers
1k views

What are the consequences of riding a bicycle tire backwards?

When putting a new tire on a bicycle, there is usually a note somewhere on the sidewall showing the direction the tire is supposed to rotate when you are on the bicycle. However, the last time I ...
4
votes
3answers
254 views

New Trek 1.5 wheels need to be trued after 2 rides, normal?

I took my new Trek 1.5 out for 2 spins after I got it and the front wheel is running a few mm off true. The back is too but it isn't that bad. I rode it approx 35km. I stupidly didn't check the ...
3
votes
3answers
435 views

Rim tape doesn't quite meet, but covers all spoke holes - OK?

The ends of my rim tape are about 1mm apart, but the spoke holes are covered. Is this ok, or should I pull it off and start with a fresh roll? Here's a picture.
3
votes
6answers
794 views

How to build a wheel

I'm in the planning stage of building a new bike. This will be a light road bike for city runs and transport. For racing I have other bikes. I'd like to build the bike from ground up by assembling ...
3
votes
1answer
268 views

Switch to narrower rims on a hybrid?

Following up on my original wheel issues question, I went to see my local cycling store to tell them about my problem. I want to change rims and would like to have them support tires from 23 to 28mm. ...
3
votes
1answer
249 views

I'm perplexed, why is my cloth rim tape not sticking?

I have a pair of Velocity Deep V wheels (silver, from Velo Mine) and have a roll of BBB BTI-98 16 mm tape. I tried to apply it today and the adhesive will not stick to the rim. It just kept sliding. ...
3
votes
1answer
564 views

What are the alternatives to SwissStop Blue v-brake pads

We've got a tandem with Rigida Andara CSS tungsten carbide rims and Swisstop Blue v-brake pads. We're happy with the performance and life of both of these over the last 1000 miles. The problem is ...
3
votes
1answer
3k views

Why does a decimal sized 26“ tire fit my rims but a fractional sized 26” tire doesn't?

I'm replacing some 26 x 2.10" mountain bike tires that I have on my bike with some thinner 26 x 1 3/8" road bike tires for commuting, however somehow even though they both say that they are 26" the ...
3
votes
1answer
304 views

Fixing/replacing rim/wheel with Internal Gear Hubs (Nexus 3)

My rear wheel's rim is severely damaged and I want to replace the rim. I don't want to respoke it, so first question, is it possible to buy new prebuilt wheel somehow without the transmission itself, ...
3
votes
1answer
192 views

Lots of broken spokes on one bike, with different wheels

I have a commuting bike I've had for a few years, and as long as I've had it it's frequently broken spokes on the front wheel. Eventually I got sick of replacing them, put it down to a bad wheel, and ...
2
votes
1answer
155 views

Bike rear wheel assembly

I am assembling my rear wheel and I have question related the lengths of spokes. Is there a big difference between the length of spokes taken from right and left sides. Can I get into big problems if ...
2
votes
1answer
694 views

Does valve stem diameter matter for my rims?

Got an old bike that I restored some time ago, and the original tubes literately burst on me today (I knew I should have replaced them long ago, they are probably 10 years old) and now I have some ...
2
votes
2answers
106 views

Cyclocross Rim Wearing with Rim Brakes and appropriate Solutions

For Reasons that are not to be discussed here i did choose a cyclocross frame without disc brakes mounts and i am going to train/compete with Canti Lever Brakes. Obviously, with all the mud and dirt ...
2
votes
2answers
1k views

Rim width / tire section tolerance?

I have a Mavic Open Pro rim in 700 diameter. The manufacturer recommends tire widths between 19 and 28 mm : http://www.mavic.com/en/product/rims/road-triathlon/rims/Open-Pro How strict is this ...
2
votes
2answers
170 views

Rim Stickers/Decals

I had my usual morning bike ride yesterday. Going home after about 1.5 hours, I noticed that my rim stickers (top part) were half gone because they get caught when I apply my brakes. Question 1: Is ...
2
votes
1answer
83 views

Wheel rim problem

I bought a Carrera Velos from Halfords and when riding at speed there was a very noticable thud everytime the wheel rotated over a certain spot with brakes applied. After looking at the seam, where ...
2
votes
2answers
972 views

Any wheel on any fork / frame?

I have been braking for a bit too long with worn off brake pads on not so new rims so I basically killed them. I currently have the stock wheels of an FX Trek 7.2 bike. I will most probably change ...
2
votes
1answer
103 views

38mm Front 60mm Rear Clinchers Pros and Cons

I have to note at first that I'm new to road cycling. I cycled mostly as a commuter before. I'm looking into upgrading my wheelset. I read some very good threads here on choosing the right wheelset ...
2
votes
2answers
520 views

What is the minimum tire width for a 18 mm disc rim?

I have a Croix de Fer cross bike that I purchased for touring with luggage; for commuting to work, lighter touring and some mild offroad riding. While it is nowhere stated officially, I can see on ...
2
votes
3answers
518 views

Tire and rim sizing, tubeless conversion?

I am looking to shave some weight off my wheels. I am currently commuting on a 26" MTB. The ETRTO size of the rim is 559x22 and the tires are 559x54. As my commute is through the city center, I want ...
2
votes
1answer
93 views

Bike wheel Assembly

I am trying to assemble the rear wheel of my bike. I have sorted the spokes into two groups by their length. It seems like I do everything correct according to video tutorials and articles but when I ...
2
votes
1answer
142 views

Is the max pressure on tubeless rims specifically for tubeless, or do they apply to tubed tires too?

I have a set of ZTR Rapid rims that are tubeless compatible, but I never run tubeless tires on them. They have this list of maximum pressures on the side of the rim: Since the limits are dependent ...