Questions tagged [size]

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1 vote
1 answer
2k views

Is my bike frame too big if the top bar touches my testicles?

A bike was given to me for a gift and I am a male with testicles and if I stand in front of my seat the bar touches me on my testicles. Do avoid this I have to stand on my tippy-toes. Is the bike too ...
3 votes
5 answers
4k views

Is it safe to ride a small bike?

I just bought a bicycle, and according to the seller, for me, with 180 cm, I need an L size. But unfortunately, mine is M. I noticed that only when I'm already having the bike. Can this do me any ...
-1 votes
0 answers
19 views

Any known issues 29×2.4 rim with 29×2.24 tube [duplicate]

Is there any issues prone to occur if I only have a 29×2.2 tube for the rim that calls for a 29×2.4 tube
3 votes
1 answer
113 views

Is this a long or medium cage Shimano XT 10 RD-M786-(S)GS rear derailleur?

Update Thanks for the replies and comments. I finally managed to compare with a new RD-M786 derailleur, and it's a medium size. I think this is a Shimano XT 10 RD-M786 rear derailleur but is it a ...
5 votes
1 answer
260 views

Why do the ISO/ETRTO numbers not match the English measure on my Tires?

Given: A flat tire Tire size 47-507, 24 x 1.75 I want to replace both the tire and the tube. But in the shop it's only available 44-507, 24 x 1.75. The tire size of 24 x 1.75 is common to both my ...
-2 votes
4 answers
270 views

Would an excellent bike fit benefit from frames made-to-measure, or are multiple frame sizes inherently suitable for a very good fit?

Briefly Is bike fit akin to bespoke suits? In other words, on the continuum of seat tube lengths (52.0, 52.1, 52.2, 52.3, ... 57.7, 57.8, 57.9, 58.0) there is exactly one size that will fit you just ...
0 votes
1 answer
174 views

Geometry equivalence between Giant Contend 2 and Fuji Feather

I have been using a Giant Contend 2 for over 2 years and I am really comfortable with its geometry. Now, I want to purchase online a Fuji Feather, with a similar fit, but I got a bit confused with ...
1 vote
1 answer
285 views

Is a 17 inch frame 26 inch wheels Giant Boulder Bike too small for someone who’s 5’11-6’0?

So I wanted to get a bike and came across a Giant Boulder Bike. It has 26 inch wheels and 17 inch frame. I’m 5’11 or 6’0. Is this bike to small for me? If so, what size would be good?
5 votes
2 answers
511 views

I am 182cm with an inseam length of 82cm. Will Specialized Tarmac road bike size 54 fit?

I am about to invest in a used Specialised Tarmac SL4 but I am unsure whether to go for a size 54 or 56. Been riding a size 58 and found it to be too long for me. Was wondering if I could go for a ...
5 votes
4 answers
2k views

Can getting a larger sized bike make the bike less aggressive?

Is it practical to get a slightly larger sized bike and thereby make the seat lower relative to the frame in order to make the bike less aggressive? I'm looking at a Specialized Allez road bike and ...
1 vote
1 answer
420 views

Can I fit 27x 1 1/4 tires on a 622x14 rim?

I have an old 60s (I believe) Schwinn Suburban that has no tires. I looked up what size tires to get and found 27x 1 1/4 as the match. I just recently scored a set of 622x14 rims. Could I fit the 27x ...
2 votes
2 answers
700 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 ...
7 votes
2 answers
619 views

Tire Size Road Bike

I need new tires and not sure what size to order. Here are photos of my bike tires. I see 622x 15, but also see 25mm as a stand alone number. 622-25 seems more likely for my road bike, not sure if ...
2 votes
1 answer
120 views

Does a hybrid or mountain bike with a 24" diameter rim use a 24" tube and 24" tire?

I tried to search this at length but I have not found an answer. Should a bigger size be gotten or am I over thinking this?
2 votes
1 answer
290 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 ...
13 votes
1 answer
2k views

Why do most road bike sizes use the same wheel size?

I don't understand why virtually all road bike sizes use the same wheel size. To give an example, the Pinarello Dogma F12 comes in 13 different sizes, and, as one may guess, the smallest is ...
3 votes
2 answers
400 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 ...
1 vote
1 answer
166 views

Does a smaller than recommended frame size cause problems?

What problems, if any, should I expect from an undersized frame, and how small would the frame have to be before these issues occur? For the sake of the question please assume an older steel diamond-...
6 votes
6 answers
1k views

26 inch or 29 inch wheel for hybrid road bike

I'm 5 foot 1, and I'm stuck between a two bikes one 29 inch wheel and the other 26 inch hybrid bikes (more towards road bike style) for errands around a metropolitan city. Both bikes have a small ...
3 votes
1 answer
131 views

Bolt size for Sora BL-3500 flat bar brake lever

I purchased a pair of Sora BL-3500 brake levers second hand. These were sold without handlebar clamp bolts. I optimistically thought I could re-use the ones from my old mid 1990's Shimano brake ...
1 vote
0 answers
61 views

Can I put wider tires on my bike or does that depend on the size of the frame? [duplicate]

My 2005 Trek 4300 currently has 26x1.95 tires on it. I was wondering if I could put wider tires on my bike. I don't want to spend money on the tires if they're not going to fit on my bike. This might ...
1 vote
3 answers
603 views

Is my hybrid bike too big for me?

I just bought a secondhand Raleigh C40 hybrid off Facebook. It generally seemed like a good bike but I'm definitely a bicycle noob. The lady who sold it to me was maybe an inch taller than me. I didn'...
2 votes
1 answer
223 views

What tire and air chamber should I buy for 650x35B - 26x1 1/2?

I got an old bike an the tires are all crumbling so I need to change them. I'm new to changing tires but I know I need to look for the model that on the current tires it is "650x35B - 26x1 1/2&...
4 votes
3 answers
3k views

Frame size: a little too small vs a little too big [duplicate]

The bicycle I want to buy comes in three frame sizes. Each of them has the recommended interval for the rider's height. These intervals do not overlap, and with my height I am right at the boundary ...
0 votes
1 answer
114 views

How can I shorten the frame of a "Duchie shopper" bike?

The cycle is a "Duchie shopper". The bike is to big for my wife. Is it possible to shorten it for her? She is 5 ft (152 cm) tall. The bike has a 27 inch wheels. I want to shorten it by ...
0 votes
2 answers
506 views

What size tires/tubes for a Giant cypress dx 6016?

Anyone know what size tubes and tires to get for a Women's 15in Giant cypress dx 6016? The bike is older, I'm guessing 2006-2008 but I'm not positive.
0 votes
3 answers
275 views

What are the smallest wheels legally allowed on an ebike or etrike before it becomes an escooter?

First, I have done much searching on this subject. I read that escooters are illegal and ebikes are legal in the UK (broadly speaking, if 250W, pedal assist and speed limited). It seems to me that the ...
1 vote
1 answer
744 views

Canyon Endurace CF 8: expander vs compression ring

I recently bought the Canyon Endurace CF 8 and after talking with the support center, they told me the expander is the compression ring Ai-70. However, after riding the bike for some km, I notice the ...
1 vote
1 answer
78 views

How to Axle replacement

2021 gt pro series 26 inch. We cut the lugs off to get the wheel off. Would anyone know what size replacement or even where to get it?
0 votes
1 answer
157 views

Tire and size recommendation [duplicate]

I'm resurrecting my 1995 Mongoose IBOC Zero G bike after several years in storage. I need to replace the tires and tubes. I will be riding almost exclusively on paved or groomed trails so I don't ...
3 votes
2 answers
394 views

Should I buy a little bit bigger bike?

I want to buy a mountain bike for the summer to ride with my friends, go on shorter rides (max 6 hours) and use in town. I am approximately 175 cm tall and 16 years old (so I might grow a bit). My ...
4 votes
1 answer
194 views

the standover height on my bike is a but tall. I can touch the ground, but I touch the top tube as well. Any ideas?

My dad recently bought me a new bike. I am 158 cm tall, and the bike is 53 size frame. I can comfortably ride it (without cleat pedals), but when I stop/finish my ride and try to get off the bike it ...
1 vote
0 answers
78 views

Getting the correct road bike size, moving from MTB

Currently I have a Large Stumpjumper 2021 29er. The size was advised by the shop I purchased it from. It was OK at first but I ended up having a bike fit to adjust a few things (slightly longer stem ...
0 votes
1 answer
87 views

Confused about frame size [duplicate]

I am trying to determine the right frame size for myself before purchasing a hybrid bike. My height is 174 cm and I have an inseam size of 85 cm. If I go by the height it should be a medium frame ...
1 vote
2 answers
179 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 ...
0 votes
1 answer
66 views

Can i fit this type of tire [duplicate]

Am I able to fit 20x2.4 tires on my 20x2.175 Bmx rim? I dont know if im able to fit that type of tire beacause I want street tires
4 votes
1 answer
474 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 ...
6 votes
2 answers
2k 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 ...
3 votes
3 answers
5k 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 ...
5 votes
3 answers
2k 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 ...
0 votes
1 answer
550 views

Does the size of a bike tire matter when going up and down hills?

I am doing science fair and my question is if the size matters when going up and down hill on a bike. I looked all over your site and I couldn't find anything about the size of a tire for going up and ...
0 votes
0 answers
23 views

What size of tyres can I use on my BTwin Original 5? [duplicate]

I own a hybrid, BTwin Orginal 5 which is almost 5 years old. Lately I've been doing a lot of road cycling. This bike comes with 700x42c ISO 44-622 size tyres which weigh in around a kg per pop. I wish ...
2 votes
2 answers
1k 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 ...
0 votes
1 answer
278 views

I have a Dahon Mariner, can I replace 20x1.6" tyre with 20x1.79? [duplicate]

I have a Dahon Mariner Bike. Can I replace a 20 x 1.6" back tyre with a 20 x 1.79" tyre as I can't get hold of a 1.6?
6 votes
1 answer
13k 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?
2 votes
2 answers
127 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 ...
5 votes
2 answers
2k 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?
0 votes
1 answer
184 views

Can a regular diamond frame bike be packed to fit as standard airline carry-on luggage?

I've been looking into possibly taking my bike with me on planes as carry on (not checking in). This is for (i) avoiding the extra cost of checking in oversized luggage and (ii) avoid breaking any ...
0 votes
2 answers
610 views

What size would be appropriate for me? I'm 173 cm or 5 feet 8.11 inches tall. The frame sizes I'm getting are 16 inch or 17.5 inch

I'm looking to buy the Hercules Roadeo A50 bicycle. (Hercules Roadeo A50) I'm confused about which size I should get : medium (16 inches) or large (17.5 inches) I looked up some conversion tables ...
3 votes
2 answers
2k 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 ...