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Questions tagged [rims]

The outer edge of a wheel, holding the tire.

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7 votes
3 answers
455 views

Is there a front rim and back rim

I am going to build my first bmx bike from scratch. I’ve watched tons of YouTube vids to get me started. I want to build my own wheels and lace my spokes. I was wondering if I can or should use the ...
9 votes
3 answers
574 views

Do I need new rim tape after replacing spoke + nipple?

A spoke broke at/inside the nipple on my rear wheel (Rohloff hub with a VIPER19 622×19C rim) so I need to replace it. I figured out the spokes and nipples to buy, but what I'm not clear about is if I ...
1 vote
2 answers
384 views

Pirelli Cinturato Velo on DT Swiss R500

Has anyone used Pirelli Cinturato velo tubeless setup on DT Swiss R500 rims (I'm thinking the 35C version)? Or maybe other DT rims with similar profile, and if so, how does it work? I'm a little ...
3 votes
1 answer
342 views

How far a damaged rim can be taken safely

While riding last week, I was going over an obstacle at speed and I did not manage to lift my back wheel, therefore think I damaged the rear rim. Since the damaged is looking minor, how far is it safe ...
0 votes
1 answer
84 views

Bike tires and rim size [duplicate]

I have a 26x2.4 mountain bike tire. I have an ancient Trek bike with a rim that had a 26x1.5 tire. The tire on the Trek is punctured and unusable. Can I use the mountain bike tire on the Trek?
2 votes
3 answers
714 views

Changing rims from 29 inch to 27.5 inch, V-brake problem

I own an old MTB bike, it's beaten up and I'm planning to restore it. Everything is already done, groupset, crankset, the fork, etc. The MTB itself is a 29 inch frame and since I want to give this ...
3 votes
2 answers
1k views

Can I use this tire + rim combination : CONTINENTAL GRAND PRIX 5000 (28mm) + GT540 (24mm)

I have the rim DT Swiss G 540, which inner width is 24mm. I already bought the CONTINENTAL GRAND PRIX 5000 tires 28mm (saw this advice on reddit). But now I checked the official table and see that ...
8 votes
4 answers
3k views

Are 26'' wheels and tubes a thing of the past?

I'm thinking of buy an expensive touring bicycle. One of the bicycles has 26'' wheels. (https://www.patria.net/produkt/terra-legendaeres-reiserad/) The other one has 27.5'' wheels. (https://www.patria....
1 vote
4 answers
1k 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 ...
9 votes
7 answers
67k 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 ...
9 votes
3 answers
1k views

"Hooked rims only" tire on hookless rim?

After having ridden a few hundred kilometers on my MTB, I realized that I have mounted tires marked as Mount only on hooked rims... and the rims are hookless. Common sense tells me that the tires may ...
4 votes
0 answers
565 views

Mavic Cosmic SLS - carbon separation

Some aero’ wheels are an aluminium rim with a carbon fibre shroud. On a Mavic Cosmic SLS rear wheel, I’ve found that the carbon fibre shroud is separating from the aluminium rim. Just visible in the ...
1 vote
1 answer
75 views

How can I make a wheel flat/coplanar again?

As a result of an impact, I have a bike wheel that is slightly bent. As a result, as I'm moving it appears to wobble. The wheel is supposed to be a flat circle but now it's very slightly saddle-shaped....
2 votes
1 answer
132 views

Dangers of exceeding tire width tolerance

I have an old mountainbike with a 2.1 inch tire fitted on it. My inner tubes are rated for 1.75" to 2.5". I went ahead and purchased a 1.75 inch Schwalbe Cruiser Plus. What are the ...
5 votes
4 answers
2k views

Old tire blew out of the rim

I'm fixing an old bike I got out of a dumpster. The tubes needed replacing and the tires had cracks all over the surface (picture 3). Since tires are held together by a weave and not just rubber I ...
2 votes
1 answer
72 views

Can I put a 27 × 1 3/8 tyre on a 700×28c wheel?

I want to use a 37×630 tyre on a 700×28c (28-622) rim. Will they fit and be safe to ride?
0 votes
1 answer
94 views

Keep getting puncture on inner side of the tube

I am getting puncture on inner side of my tube near the same spoke, it happened 3 times. I have checked everything, no sharp edges on the rim, no foreign objects, and even spokes dont seem to stick ...
1 vote
1 answer
380 views

Spoke nipples sticking out

Is this normal for the spoke nipples to stick out this much ? Even after installing rim tape I can literally feel them, wouldn't it press/pinch into the tube when riding a bike ?
3 votes
2 answers
302 views

Does my rim need tape?

I purchased a new 700c wheel for my aging bike. I was provided 16mm rim tape but my rim seems different from what I see in videos, in that the spoke screws come out, rather than are recessed into a ...
20 votes
2 answers
4k views

Is this rim still safe to use?

I bought it this way without the seller noting the issue, so experience from riding with these is zero. Rims are Ritchey Girder OCRs. The crack is pretty small, but noticeable, and I will be running ...
5 votes
5 answers
1k views

How can I treat small glass cuts on my bike tyre?

To prevent future punctures or keep delaying them, can I use super glue for this purpose? What can I do? I do a lot of street riding and am concerned with small glass shards ruining my rides. I had a ...
1 vote
1 answer
95 views

Very slight high spot in a rim affecting braking - can/should I do anything about it?

One bit of my rim (less than the distance between 2 spokes) is 0.2--0.3mm wider than the rest. It causes a pulse of increased braking once per revolution, which is annoying. As the rim isn't worn ...
5 votes
2 answers
3k views

Are my rims "tubeless-ready"?

Currently using a 27.5x2.10 tube tires and I'm planning to convert my mountain bike wheels into tubeless system but I can't tell if my rims are tubeless ready since there's no indicated label if it is ...
1 vote
2 answers
347 views

Is Zipp the only company that makes variable/undulating rim depth wheels?

Zipp has a "flagship" series of wheels designated as 353, 454 or 858 NSW which have variable (aka undulating) rim depth. I'm trying to find another manufacturer who makes similarly-shaped ...
11 votes
4 answers
4k views

Bike too large, if I change the wheels to a smaller size will this lower the height?

I've got a second hand Raleigh racing bicycle. The frame is too big, when I stand on the bike, off the seat, my toes only just touch the ground. I'm not thinking this is safe to ride around London. I ...
4 votes
1 answer
118 views

Tubular glue remover for CARBON

Trying to find a tubular glue remover that won't eat carbon. Acetone is a no (unless very dilute??) and apparently so is the top brand that claims to be carbon safe (see picture). Any ideas?
14 votes
2 answers
3k views

Is it normal for spokes to poke through the rim this much?

I was fixing a flat on a newish bike and noticed these bumps from the spokes around the inside of the rim. The rim tape is reassuring and I assume it's all fine, but I don't really know what is ...
11 votes
3 answers
3k views

Crack in aluminium rim?

I recently discovered this horizontal line on my double walled aluminium rim (Triban road bike), pics attached, and was wondering if this was a crack or just a manufacturing artifact. Could anyone ...
1 vote
3 answers
10k views

Can I fit a 26x3.5 tire on a 26x4.0 rim?

i have a sondors bike that comes with a 4.0 fat tire. i am tring to find a street tire for my fat boy i only found one and its 3.5 not 4.0 STREET TIRE
5 votes
2 answers
974 views

Access hole opened near spoke on Dt Swiss 1600 rims

I got a sudden flat innertube today after pumping up my tyre. Looking at the puncture and the rim it seems that an access hole of some kind had opened up - see photo - the tube pinch punctured on this ...
3 votes
2 answers
313 views

Does "ETRTO" apply also to tyres?

Say you are riding on 622-19 rims. This means that each rim's bead diameter is 622 mm, and the distance between the two beads on each rim is 19 mm. ETRTO stands for European Tire and Rim Technical ...
2 votes
1 answer
407 views

Brake residue on carbon rims

I have recently purchased 2nd-hand carbon rim brake wheels and noticed the front rim has what looks like residue from the brake pads stuck in a track the whole circumference of the rim, on both sides. ...
0 votes
1 answer
521 views

Experience fitting Continental GP 5000 folding tyres to Mavic Allroad Elite Ust Disc Wheelset

Just wondering if anyone out there has tried this particular rim+tyre bead combination. I had a hell of an experience with GP 5000 TLs on other bike (Mavic Kysirum Elite rims) which turned out to be ...
6 votes
4 answers
345 views

New wheels: WTB KOM Tough with 32 spokes sufficient?

I'm having a set of new wheels get built and I am opting for WTB KOM Tough's 29 inch rims with 32 spokes. The inner width will be 25mm. I'll be using this bicycle for touring/bikepacking/commuting - ...
4 votes
1 answer
226 views

Can I continue use abraded rim?

Today my tire blew up and I had to brake by bare rim and, as a result, the rim abraded in one place from 3mm to 2mm. Can I continue to use this rim or I need to repair it in the shop or order a new ...
5 votes
3 answers
5k views

Should a dent in an aluminium rim be bent back into shape or left alone?

I have managed to put a small inwards dent in my aluminium mountain bike rim. I know that there are specialty tools for fixing dented rims, such as the Morningstar Rim 'Rench and the Wolftooth 8-bit ...
0 votes
2 answers
5k views

What size rim do I need for a 26 X 1.95 tire?

I have a mountain bike with a 26 X 1.95 tire. I need a replacement front rim for the tire. What size rim do I need?
9 votes
2 answers
3k views

I have a bent aluminum rim on my Merida MTB. Is it damaged beyond repair?

Consider: I was riding my local trails today, got a flat tire (due to not riding tubeless) and before I realized it, I hit a jump with too little air in the tire and I bent my rear rim. Is it is ...
1 vote
1 answer
87 views

How to protect inner tube on wider rims?

If you take a look at for example Schwalbe offering you will notice that the max rim tape width for 28" rims is 25mm. So how to protect inner tube on wider rims? Could tubeless rim tape be a ...
0 votes
0 answers
108 views

Rim tension for MADDUX R3.0

Anyone know what the rim tension for MADDUX R3.0, 6061H-T6 alloy, 700c wheelset, clincher, ETRTO 622 x 14c rims? Or where I can find it. It's not listed on the Maddux web site.
2 votes
1 answer
81 views

Confused about rim and tyre size

I bought a Bicycle Shaped Object for nipping around town (bikes keep getting stolen around here so I bought a £30 second hand muddyfox energy 26 from gumtree). I want to replace the mountain bike ...
1 vote
2 answers
62 views

Do you think these are the same wheel for all intents and purposes?

Trying to decide whether this is a legit replacement before I go out to buy this.
8 votes
3 answers
3k views

What is the tiny hole on the inside of the rim for

Recently I bought a set of Campagnolo Zonda C17 wheels and found that the rear wheel has a tiny hole drilled on the inside of the rim. The diameter could be slightly less than one millimetre and it is ...
2 votes
1 answer
85 views

Help me make sure rims are strong enough to start riding hard. Fixed a bent rim after a crash, rim now mostly true with a few loose spokes

After a nasty crash which bent the front rims of my MTB, I was able to get it straight again and true it (bending it back with force and adjusting spoke tension) to the best of my abilities. I ...
0 votes
1 answer
82 views

How much will airline charge me to bring rims in flight? [closed]

I wasn’t sure if I should ask here, or in the travel site. So here goes. I’ll be flying domestically to Miami via Frontier Airlines. If I buy two bike rims in Miami, how much will Frontier charge me ...
3 votes
1 answer
672 views

Can I put a 700 x 35c tire on a rim that came with 700 x 30c tires?

I am considering putting some wider tires on my 2018 Cannondale Quick Disc 2 for some gravel and very light trail use. The stock tires are 700 x 30c. the rims have an internal width of 15mm. There is ...
3 votes
3 answers
986 views

Fixing oval rim?

I have single wall rim that is bent inward about 3mm on the areas marked with red. Is there a way to fix it? How I go about it? It's a cheap bike; I don't want to invest more money into new rim, and I ...
0 votes
0 answers
207 views

Tire and tube keep popping off of the rim

It's the third time now that the tire just pops off my rim, and then the tube blows up as a result. This is all within the span of six months on a brand new bike assembled by a supposedly high-end ...
0 votes
1 answer
78 views

Safely seating tyre beads during seasonal installations

What's your best idea for avoiding this elementary mistake? I did not inspect the bead carefully after installing these winter tyres. Sure enough, on a subsequent inflation, and when the contact area ...
2 votes
2 answers
635 views

How to find out the inner rim width

I own a Marin Presidio 2 and I have checked every single page of theirs and all of the information I can find is that the rim is "Marin Aluminum Double Wall, Disc Specific". I've inspected ...

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