The outer edge of a wheel, holding the tire.

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8
votes
4answers
387 views
+50

Bike pulses while applying the front brake. I'm unsure what the cause is

Once per rotation of the front wheel, when braking, the bike pulses under me. The brakes are calliper rim brakes. Swapping wheels out fixes the problem - so it is definitely wheel related The wheel ...
5
votes
2answers
179 views

Inner tube blows up due to rim holes

I've decided to cycle to work and got myself a new bike. When the bike arrived I inflated the tyres to 80psi (20 below recommended) using a track pump. Instantly the inner tube blew up. I thought the ...
0
votes
1answer
62 views

How to choose MTB bike tyre: hookless, tubular or clincher?

I don't know the difference between hookless tire, tubular tire and clincher tire. When I choose the tire type how to make a professional choice? I want to know which tire type is best for me.
4
votes
2answers
117 views

Have I damaged my tyres?

I noticed after mounting some new tyres that part of the side wall, just above the bead, seems to have been damaged while I was fitting them (see photos below). These tyres were especially difficult ...
1
vote
1answer
246 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 ...
1
vote
1answer
72 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 ...
1
vote
1answer
21 views

Where to find a 14.4 mm long and 16.9 mm wide hub cone?

I was servicing my bike's ball bearings in my wheels when I noticed that the rear hub cones need to be replaced, as they are heavily wearing down. I looked online for replacement hubs but none fit the ...
10
votes
4answers
52k 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?
3
votes
1answer
47 views

2 broken spokes same side, can I replace with one from the other side?

I had an accident and now have 2 broken spokes on the rear wheel of my mountain bike. No bike tools, and no bike shops in the country with 29 inch spokes or rims. Anyway I have removed the two broken ...
7
votes
1answer
452 views

What does triple-hollow construction mean?

I've got a set of Sun Rhynolyte rims and in the features it says they have a triple-hollow construction. What does that mean?
8
votes
2answers
93 views

putting a presta stem nut inside the rim?

Has anyone ever heard of this? I'm not sure how it happened, but when i went to replace my tire today, I found that I had two stem lock nuts on my valve. One inside the rim and one in the normal place....
6
votes
1answer
63 views

What does welded and machined mean?

I've got some Sun Rhynolyte rims and one of the features is being welded and machined. What does it mean when said in relation to a rim?
2
votes
2answers
77 views

Smaller front rim on mountain bike

I have a Repco Warrior 29, I recently twisted the front rim doing some stuff I probably shouldn't have been doing at my advanced age. There are no 29 rims available here, but there are 26's. Has ...
3
votes
2answers
2k views

How much hop is correctable, and beyond which point should a rim be replaced?

I have an aksium wheel that is somewhat damged. I'd estimate that there is about 3 - 4mm of hop (meaning that the rim extends at this point? or that there is impact damage at that point?) at one point ...
4
votes
1answer
68 views

Rim dish and flange angle problem

this is the n-th time I have faced with this problem. The problem is than one flange of the rim is higher than another one. As you can see on the photo. My rim is new this time, I have dynamo hub....
1
vote
2answers
69 views

can i replace my rims 622x19 hybrid for a 622x17?

i have a bike my rear wheel was stolen here in DC. the original was a 622x19. i have one which is 622x17 my question. is that ok ans safety to use it on ky bike? thank you.
1
vote
1answer
596 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 ...
3
votes
2answers
45 views

Can I replace a 26“/2,0 rim with a 26”/1.75 rim?

My bike's front rim bent and I want to replace it. I bought a Apollo Summit 10 for 250$ After some time the front rim bent when I fell down on the street and when I asked in the market its 120$ for ...
2
votes
2answers
89 views

tube punctures near valve

my road bike got a puncture in the front wheel yesterday while I was riding down a big slope, it happened when I was braking the bike then I heard a pop. I stopped and replaced with a new tube, ...
5
votes
2answers
1k 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 36-...
5
votes
1answer
345 views

Increasing the size of tyres on a hybrid

We are planning on doing some mountain biking in a few weeks time and we'd like to get some wider tyres for my wife's hybrid. I know there are similar questions and answers out there on this topic, ...
4
votes
2answers
133 views

Replaced v-brake pads too late - how to check if rim is damaged?

I've just noticed that replacing the brake pads was overdue. The metal of the brake shoe started scratching the rim already some time probably (sorry, I know it hurts to read that...). How to decide ...
25
votes
8answers
14k 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 ...
9
votes
3answers
3k 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 ...
16
votes
4answers
14k 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 ...
11
votes
2answers
10k 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 ...
2
votes
1answer
150 views

Unable to find correct tire size

Recently, I had a problem with the back rim (the axis) and the guy who repaired just replaced the rim. After few weeks I tried to repair a flat tire, but I found myself unable to remove the tire to ...
0
votes
0answers
35 views

What is the relation rim width - tyre width? [duplicate]

I've been reading about rim and tyre widths for a while now, but I still don't quite grasp this. Is the relation rim width - tyre width 1:1? Or can a given rim width host different tyre widths? If so, ...
3
votes
1answer
104 views

Truing a twisted (vandalised) wheel/rim

Overnight someone stamped on my wheels, hard enough also to bend a pretty substantial rear rack. (Not a great welcome to Copenhagen, my lights were stolen last week...) Neither wheel would turn more ...
0
votes
2answers
101 views

Small concavities on rims

Recently bought a pair of used zipp 808 clinchers and was a bit disappointed when after a closer look discovered a couple of small concavities (something like 1mm in diameter) on outer side of the ...
3
votes
1answer
114 views

Can I fit a 32-630 tire on a 20-622 rim?

I know that the width difference might present problems later on, but if I understand correctly then it should be possible. The bike isn't meant to be used in high performance circumstances, just the ...
9
votes
1answer
389 views

Best downhill braking method to avoid overheated rims?

I recently had one of my rims get really hot on a downhill. I had a problem with my front brake, and I had to use my rear brake only... I did short, hard stabs instead of lightly dragging it. I ...
0
votes
2answers
2k views

What's the difference between Fulcrum Racing 3 and Fulcrum Racing S3?

I'm able to buy a set of Fulcrum Racing S3 wheels. I searched in all their on line catalogues but the wheels in the picture the guy send me are nowhere to be found. I'm thinking these are exclusively ...
2
votes
1answer
193 views

Is it 'safe' to use a 700 x 47c tyre on a rim with inner width of 15mm?

Looking to upgrade my tyres on an old roadie mash up to something chunkier so I can handle some off road sections on a ride coming up, currently it has a 27 x 1 1/4 front tyre and a 27 x 1 3/8 rear ...
4
votes
3answers
4k views

Are 700x 28 x 32 x 35 tires interchangeable?

I have a cyclocross bike with Alex ATD 470 Disc rim with TCS (Tubeless Compatible System) currently mounted with Vittoria, Cross XN, 700 x 32c tires. However tires are a bit worn out and I want to be ...
1
vote
1answer
71 views

Replace a 2.0“ tyre with a 2.1” studded one?

I'm looking at replacing the tires on my GT Aggressor commuter bike with studded tires for the winter. Based on the current tire sidewalls (the rims themselves don't actually have the width or ...
4
votes
1answer
147 views

Tubeless tire looses air through weld of rim

I have the DT Swiss X1700 Spline 29″ with the Schwalbe RockRazor 2.35" PaceStar on my pre built Bike which are tubeless. After about 100 km the tire now looses air through the weld very fast. I ...
29
votes
9answers
99k 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 ...
3
votes
1answer
229 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 ...
0
votes
1answer
94 views

Converting a road bike into a switchgear [closed]

I want to convert my GT Vantara road bike into a switchgear. And im wanting to use the tires that came with it.
3
votes
1answer
162 views

Trailer Lighting Using a Dynamo Hub [closed]

I have a B.o.B. Yak trailer which uses a ISO 305 mm BSD rim. I'd like to build up a wheel for the trailer using a dynamo hub (perhaps a Sanyo H27) so that I could have lights on the trailer. I know I ...
8
votes
5answers
750 views

Replace rim because of 4 broken spokes?

When replacing the rear brake pads I noticed that 4 spokes were broken and the wheel wobbles. I phoned a local bike shop and was told that they recommend replacing the wheel if more than 3 spokes are ...
8
votes
4answers
654 views

How seriously should I take the maximum pressure rating of my cyclocross rims?

I own a very nice cyclocross bike that I use for daily commuting. It is currently fitted with relatively wide cyclocross tires (Continental Cyclocross Race 35-622) that I inflate to 4 bar (58 psi). ...
2
votes
2answers
99 views

Slimmest tyres for semifat rims

I am interested in getting a bike with 27.5+ wheels (that could features tyres up to 3.25". I'd like to know what is the thinnest tyre I could mount on such a wheel in case I want to have more speed ...
7
votes
11answers
12k 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 ...
2
votes
1answer
397 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 measuring device where a spoke can be put under 1600N of tension. Rumours on other boards say ...
1
vote
1answer
119 views

Need help choosing rims for fixed gear

I have a Specialized Langster (really old model i think), and it got ran over, well the rims did, and I don't know which ones to get. I wanted to buy the rims and the spokes separate. I would like ...
4
votes
1answer
527 views

Inflated tire partially slipped off rim, can I fix without deflating?

There is a ~3" portion of my back tire that is no longer within the rim walls on one side. It's an older bike but in fairly good condition. The tires had just been replaced by a professional and I put ...
1
vote
0answers
135 views

General History of the V-Brakes/Direct Pull Brakes/Linear Pull Brakes [closed]

I am currently doing some research on the Direct Pull/ Linear Pull/ V brakes. I have so far found a lot of information on how to adjust and fix v brakes (i.e. Sheldon Brown) or even comparing the v ...
3
votes
2answers
134 views

Snow tires for H Plus Son SL42?

I'm riding fixed gear with H Plus Son SL42 rims and Schwalbe Lugano. I'm thinking about changing my tires to be able to ride in snow/wet roads, but in the H Plus Son site I don't see the maximum size ...