Questions tagged [size]

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2 votes
1 answer
197 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 ...
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13 votes
1 answer
1k 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 ...
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1 vote
1 answer
111 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-...
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-2 votes
3 answers
153 views

Is it sometimes best to abandon the make/model you really like and go to a different make/model because you're right in-between sizes?

When shopping for a bike, do you commit to a make/model from the outset, select a size, then fine tune the bike to fit you, or choose a make/model that makes it possible to pick a size that fits you ...
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  • 4,131
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 ...
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3 votes
1 answer
110 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 ...
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1 vote
1 answer
263 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 ...
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  • 51
1 vote
0 answers
60 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 ...
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  • 45
3 votes
5 answers
2k 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 ...
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  • 139
1 vote
3 answers
174 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'...
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2 votes
1 answer
169 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&...
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  • 23
4 votes
3 answers
769 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 ...
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  • 3,422
0 votes
1 answer
109 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 ...
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0 votes
2 answers
190 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.
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0 votes
3 answers
244 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 ...
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1 vote
1 answer
260 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 ...
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  • 133
1 vote
1 answer
66 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?
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  • 11
0 votes
1 answer
87 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 ...
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  • 1
3 votes
2 answers
198 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 ...
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  • 31
0 votes
0 answers
37 views

Can I use 2.3-2.6 tubeless tires for 2.1 rim [duplicate]

I have recently bought a MTB and it came with 27.5 x 2.1 wheels. The first thing I wanted to upgrade was to go tubeless but can’t find any tubeless tires for 2.1 tires. I wanted to know if it is ...
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4 votes
1 answer
138 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 ...
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1 vote
0 answers
75 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 ...
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  • 11
0 votes
1 answer
68 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 ...
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  • 809
0 votes
1 answer
59 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
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1 vote
2 answers
171 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 ...
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  • 181
4 votes
1 answer
448 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 ...
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3 votes
2 answers
294 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 ...
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  • 153
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 ...
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5 votes
3 answers
1k 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 ...
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  • 477
0 votes
1 answer
343 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 ...
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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 ...
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2 votes
2 answers
779 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 ...
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  • 302
0 votes
1 answer
112 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?
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  • 1
2 votes
2 answers
109 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 ...
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  • 344
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?
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1 vote
1 answer
425 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 ...
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0 votes
1 answer
141 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 ...
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0 votes
2 answers
418 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 ...
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3 votes
2 answers
809 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 ...
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  • 616
4 votes
3 answers
2k 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 ...
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  • 41
-3 votes
1 answer
80 views

Weight and size capacity for pedal cars

Hi i recently became interested in pedal cars and i know this says its a bike website but was hoping someone could help me figure out the weight and height capacity of one cause i cant find any info ...
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3 votes
3 answers
2k 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 ...
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  • 31
0 votes
2 answers
97 views

Beginner road bike [closed]

Completely new to biking. Need some suggestions for road bike that I can buy from nearby retail store or online. Can someone suggest some decent models for 10 to 25 mile rides. Don't want to spend ...
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0 votes
0 answers
64 views

Should I get a downhill bike a little bit smaller size?

My question would be is if I should buy a YT Tues CF 27.5 2017, size M when my height is 181cm, and the bike's chart goes up to 178 cm. And it is used by the way.
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3 votes
1 answer
820 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 ...
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1 vote
1 answer
1k 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 ...
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  • 731
1 vote
0 answers
64 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 ...
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2 votes
1 answer
94 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, ...
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  • 121
0 votes
1 answer
28 views

Size 29×1.9/2.125 inner tube into my 700×40

I just put a size 29×1.9 inner tube into my 700x40 hybrid tyre. Is it safe to use? Thank you
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1 vote
1 answer
7k 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.
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