Questions tagged [size]

The tag has no usage guidance.

Filter by
Sorted by
Tagged with
8
votes
3answers
2k views

I think I chose the wrong road bike size

I went to a local bike shop a couple days ago and picked up a road bike. I think I chose the wrong size. I bought a medium size instead of a small. I’m 5’7 and I feel comfortable during the first two ...
8
votes
3answers
2k views

Which measurements are most important to consider for tall men?

I am 6'8" and 255lbs so my figure is a bit between Kevin Durant (not as skinny) and Lebron (in shape but not as muscly). For smaller bikes such as what you would find in Wal-mart, I frequently see ...
6
votes
1answer
10k views

Can I replace 700×23C tire with 700×28? [duplicate]

I have Trek 1.1 with currently 700*23C tyres. I need to replace them but the one available in market are 700*28 Can I use this size as replacement? If yes, what'll be advantage and disadvantages?
5
votes
3answers
630 views

Shimano STI shifters: do they come in different sizes?

I was sure that there's only one size for Shimano road bike shifters. But now I'm helping a friend to choose a bicycle and it seems that a lot of them have bigger shifters judging by images that I'm ...
5
votes
2answers
1k views

Do I need a chain breaker tool to install a new chain on my bicycle?

Do I need a tool, or will the chain have the correct length? For example, my biggest cog in the rear is 34T and the biggest chainring at the front is 42T and the chain has 116 links. Is a chain with ...
5
votes
2answers
676 views

50cm road bike for 5'8 height

The road bike I'm planning on buying is only available in 49cm and 50cm. Will that be okay given that my height is 5'8/9?
5
votes
2answers
2k views

32-622 tire too small for 622x19 rim?

I recently bought a Mavic A 319 rim with ETRO 622 x 19C and Schwalbe Marathon 28" tire with ETRO 32-622. Based on the tire sizing chart found at Sheldown Brown (https://www.sheldonbrown.com/tire-...
4
votes
3answers
938 views

Size of old road frames compared to new ones

May I use an old frame (pre 1990) of same size as a modern road frame? For example by using a long stem and long seatpost. Or would I have to size up a lot? Concrete example: I ride a 56 cm Merida ...
4
votes
1answer
353 views

Help to find the right tyre for my Scott ebike

I bought a bike just over a year ago and towards December I went into my local Halfords looking to replace my tyres and was told that my wheel size (he checked on the tyre that is currently fitted ...
4
votes
1answer
167 views

Suitability of open sided bearings for frame pivots

On a 10 year old bike I am trying to replace miniature frame pivot bearings which measure 9mm x 17mm x 4mm, pictured below, and are sealed with 689z stamped on. They must measure the same dimensions ...
4
votes
3answers
776 views

Properly sizing a frameset online (Ritchey Road Logic)?

Longtime lurker, first-time poster. My frame is cracked and I have mostly decent parts so I am thinking about just buying a frameset and paying the LBS to move stuff over. A friend suggested I look ...
3
votes
3answers
4k views

How to be certain a Boardman ADV 8.8 would fit without prior road bike experience?

I'm looking to buy my first road bike - an adventure/gravel road bike. Question: How can I be certain it's okay or not? And should I be looking for a bike that's closer to my estimated frame ...
3
votes
3answers
1k views

Correct frame size, will 56 and 58cm work?

I'm new to bicycling (I have a 7 speed HEAVY beach cruiser I use for 10-20 mile rides). I am looking into used road bikes now. I checked several places to measure what size frame I should get for a ...
3
votes
3answers
108 views

What road bike size to get?

I am very new to road bikes and have decided to buy one. The problem is both shops I have gone to said I should get a 54cm frame, even though I'm only 5'5. This seems to go against a lot of online ...
3
votes
2answers
136 views

Which new road bikes can have seat height 890mm or more?

I'm looking for a new aero road bike. I'm a tall person. And from past experiences and from bike-fiting advices I need a seat height of around 890-895mm. I checked Cannondale, BMC, Factor, Orbea. They ...
3
votes
1answer
473 views

Are my cycling shoes too big? With 3/4 inch of room

My shoes came in the mail and I have about 3/4 inch of room to the end. On a short ride I didn’t notice any slipping when I had the boa tightened all the way up. I also don’t have any hotspots or ...
2
votes
2answers
937 views

Wheel size: 650 to 700

I have a Trek Speed concept series 7 frame size XS triathlon bike which is fitted with 650 size wheels. However I was wondering if I could at all put 700 wheels/tyres on, as when I brought it 2nd hand ...
2
votes
3answers
10k views

Bike Frame Size for MTB Leisure Rides

I am looking to buy a bike for my wife on the internet, but the challenge is I do not know what frame will be most suitable for her. We plan to buy a hardtail for leisure rides on the weekends so we ...
2
votes
2answers
295 views

How to determine tire size when the sidewall label is unreadable?

I have a women's Mongoose hybrid bike that is older. The tires are dry rotted and I can't read the tire size info. How do I determine what size replacements to buy?
2
votes
1answer
328 views

Do tubed tires fit all rims, or is there anything I should watch out for?

My bicycle is about 25 years old and for the past decade has been sitting out on my balcony (dry, but outside temperature, which around here means from -15°C to +40°C or so). Lately I've been thinking ...
2
votes
3answers
2k views

Can I ride a big bike?

I am a MTB beginner and I just bought a used Giant stance 2. I knew from the beginning the bike is bigger than I should have, but it was a good deal. The bike frame is XL and I am 6’. Based on Giant ...
2
votes
2answers
361 views

Which size SKS Bluemels will fit my frame - 35, 42, 45?

I'm thinking of getting full mudguards for my road bike, the Triban RC 520 , (details here) , and the manufacturer's page tells me that it comes with 700 x 28 tires and the frame is compatible with ...
2
votes
2answers
274 views

How to determine which size spoke wrench I should buy?

I was advised to use a dedicated spoke wrench (not multitool) when possible, so I am looking to order one online. How can I determine which size I need before ordering it? I do have a multitool with ...
2
votes
1answer
217 views

Is the use of wide fatbike tires problematic with 100mm BSA bottom brackets?

Fatbike frames typically come with 100mm or 120mm BSA BBs. Does the 120mm BB help anything, though? For example, if I have a 100mm bottom bracket and a 5" tire on a 100mm rim, and I switch to the ...
2
votes
1answer
593 views

Replacing bike frame on BMC Alpenchallenge AC01

I have a BMC Alpenchallenge AC01 IGH Alfine 8 Speed 2017 size small. Although the size is appropriate for me, I would prefer the medium, but the small was 47% off, so I bought it. Now I have the ...
2
votes
1answer
835 views

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

Can I fit a 32-622 tire on a 32-630 rim? The tire diameter is 8 mm smaller than the rim, so it's going to be tight - but will it fit with some extra force, and might there be any other problems?
2
votes
2answers
845 views

Increase saddle height

I tried the Xiaomi qicycle electric folding bike and I really liked it. The only problem is its size. I already know how to raise the handlebar, but I'm not sure how to raise the seat. It should be ...
2
votes
2answers
417 views

Do Shimano MTB shoes in half-sizes make a perceptible comfort difference?

My 10+ year old MTB shoes are finally dying. I'm looking for replacements. My shoe size is usually 7 UK (42 EU) for the left foot and 7.5 UK (43) for the right. I see Shimano do European half sizes ...
2
votes
1answer
54 views

Differing tire sizes on tread and side wall

While working on my bike the other day, I noticed that there's what appears to be a tire size on the tread. It says 27.5x2.35 Thing is ... this is a 29 inch tire. It also says so on the side wall, ...
2
votes
2answers
90 views

Is cyclocross tire (CX) taller than normal road bike's?

According to the specialized website, the 54cm crux 2021 comes with 700x33c cx tires. https://www.specialized.com/us/en/s-works-crux/p/171342?color=271648-171342&searchText=91420-0046 And, its bb ...
1
vote
3answers
2k views

Tire size conversion from 700 x 23c

A tire with the size of 700 x 23c, when changed to inches, what is the diameter and what is the width?
1
vote
2answers
269 views

I am 1.7 m tall and bought a MTB with a frame that is 3-5 cm too big

The frame is 5 cm too big for me (in the length from seat to handles). I have major discomfort in my shoulders. After getting a shorter stem, the shoulders are 95% improved, but the "jewels" go dead ...
1
vote
2answers
155 views

Size of mountain bike

I am 180 cm tall and I recently bought a Talon 3, with large frame and tire 29 through the website. I searched and I found that large frame is good for me. When I wanted to pick it up, I found it ...
1
vote
1answer
561 views

Front axle cone replacement - sizing

So I am trying to replace my pitted front axle cones, but struggling to find the parts of the right size. My axle diameter is 9.4mm on the thread and 8.8mm on the smooth part, and respectively the ...
1
vote
1answer
1k views

Is a 22 inch road bike appropriate for a 5'9" person? [closed]

I am admittedly a beginner and looking to purchase a used single speed bike just to casually use around the neighborhood. I came across this listing: https://nashville.craigslist.org/bik/d/...
1
vote
1answer
40 views

Settings in my computer

I have a Trek Silque, 2017. What centimeter size should I be using in my computer for figuring correct distance?
1
vote
1answer
929 views

Bike too big or just fine ? modification required ? Need pro advice

Hi I accidentally refer to wrong bike fit and purchase online a 20" Frame Mountain bike (XC hardtail)! While the bike is about 20" (51 cm) Frame , I'm about 175 cm (5 foot 9 inches tall and go 79.x ...
1
vote
1answer
176 views

Need assistance identifying new wheel options for Araya VP-20 26x1.5 ETRTO 559

This is very similar to the question answered for "Need assistance identifying new tire options for Fuji 4130" (by 0-Biker) and answered by "Argenti Apparatus" but I couldn't add a ...
1
vote
1answer
4k views

What size adult tricycle? [closed]

I am 5 foot tall (152 cm) and have a 25 inch (63.5 cm) inseam. I am unsure as to which size of wheel/frame to buy. Also, recommendations for adult trikes, no more than $400 would be appreciated.
1
vote
2answers
430 views

Bought a frame one size larger, how to fit for slightly smaller rider?

I've recently bought a frame that is about one size larger. It's a 22" frame and my height is about 5'9". I had a choice between the 22" frame and an 18" frame so I chose the frame that was a bit ...
1
vote
2answers
2k views

Should I choose 26“ or 28” size BTWIN Triban 100 with dropped handlebar?

My height is 5 ft 9.5" (176.5 cm). I went to Decathlon and tried out both the 26" and 28" bicycles there. Both sizes felt comfortable. But I cannot really tell unless I ride for a long distance. I had ...
1
vote
2answers
50 views

What size frame is right for me? [closed]

I have an inseam of around 26 1/2 inches (without shoes). Would a 47cm frame fit me? If not what would the correct frame size be? I'm looking for a hybrid (or road) bike.
1
vote
0answers
48 views

Old French Road Bike - Chain Size

I dusted off an old steel frame french road bike (circa 1980) and have been enjoying the summer riding so far. Unfortunately I managed to snap the chain on it. No big deal, put a measuring caliper on ...
1
vote
0answers
55 views

Would too small of a mountain bike frame cause lower back pain?

I'm just under 6' 2" and recently got a Large transition patrol. I'm right on the cusp of needing an XL frame. Anyway, I had a Large patrol before and am noticing now as I did then that my lower back ...
1
vote
0answers
357 views

What size tyres will fit my wheel? [duplicate]

My bike wheel was recently stolen and I found this old Bontrager AT-550 wheel in my shed. It's a 29er from my research and I'm wondering what size tyre would fit that would be decently smaller than ...
1
vote
0answers
46 views

Putting a wider tire on my bicycle [duplicate]

Can I put a 24x3 inch tire on a rim that is normally for a 24x 2 1/4 inch tire
1
vote
0answers
655 views

What are the axle nut sizes on the brompton?

What are the exact specifications of the nuts used on the various axles of the Brompton bicycle? Specifically, I have a 2016 M6R black, but I would appreciate it if you listed the specifications for ...
1
vote
0answers
256 views

Sizing a hybrid bike

I'm 180cm tall, with a bicycle inseam of 81cm (without shoes) and a wingspan of 190cm. I'm looking at the Cannondale Bad Boy 1 2019 hybrid bike which you can see the geometry for here. Based on my ...
1
vote
0answers
119 views

Restoring a 1954 Taylor tricycle

I am searching to replace the front tire. It has a Swan tire, but the size is more important. Measures 12 x 1.75 Pliable enough to remount on rim
0
votes
3answers
587 views

How much can we change our bike wheel diameters before needing another bike fit?

How much can we change our bike wheel diameters before needing another bike fit? If we change the size of our bike tires, it raises or lowers the front or rear of the bike. That means it can affect ...