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Questions tagged [size]

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2 votes
2 answers
72 views

Does bike size matters? what if the bike size larger than it must?

I found a used 2016 Trek 7.4 FX bike for sale and I tried it today and I liked it very much, but its size is large and my appropriate size is medium according to Trek’s classification. (I'm 170 cm ...
Ghaith Atfeh's user avatar
1 vote
1 answer
111 views

Bike repair put a 700-20 tire on my 700-25 road bike, should I replace it?

I had a flat tire in my rear wheel, so I took my road bike to the repair shop. They had to replace both the inner tube and the tire. After using it for 2-3 times. (mostly just going in to the gym or ...
hboogie's user avatar
  • 11
1 vote
1 answer
115 views

My mountain bike has 26 x 2.35 tires on it and I am ordering new 26 x 2.125 tires

My mountain bike has 26 x 2.35 tires on it and I am ordering new 26 x 2.125 tires. Will these be okay to use? What issue might this cause? Or will the difference be negligible?
Justine's user avatar
  • 11
3 votes
1 answer
2k views

Can I put 28" tires on 27,5" wheel?

My bike has 27,5" wheels and the rear tire is due for replacement. Will a 28" tire stay on a 27,5 MTB wheel once inflated to 30+ PSI? This is not a tubeless tire, it has inner tube. Has ...
Dan's user avatar
  • 33
2 votes
0 answers
89 views

Are wheels designed for a maximum disc/rotor size?

I'm looking at some new wheels which Shimano describe as "140 mm disc brake rotor compatible". Does this mean they can't handle larger 160mm rotors? If not, why would they make this point, ...
WornChain's user avatar
  • 1,644
6 votes
3 answers
523 views

Replacing pulley wheels on a RD-m3100 with non original parts. Can I use other Shimano pulley wheels?

I need to replace the pulley wheels on my rd-m3100. The T-pulley is close to worn down (ninja-starry), even though the G-pulley still has some life left. Unfortunately the original replacement part, ...
WornChain's user avatar
  • 1,644
0 votes
1 answer
82 views

Is a BMX 20.75 size frame a good fit for a 5'9-6'0 rider?

I am looking into buying a BMX bike but I don't know what size frame to get to fit me.
Andreas's user avatar
4 votes
3 answers
2k views

Can a more aggressive geometry/set up be more fatiguing?

For context, I’ve been cycling on a cheap as chips second hand, effectively, “Walmart” type of bike for a couple of years. Not only was it my bike for general usage, I also used it for courier work. I’...
Ms21's user avatar
  • 51
1 vote
1 answer
280 views

Boardman Hyb 8.6 - how to raise one piece handlebar/stem?

My battered old bike recently needed replacing. I have just bought a Boardman Hyb 8.6 I am 6ft with a 6ft arm span and 32-33” inside leg. I was in between sizes for most brands but generally advised ...
Ms21's user avatar
  • 51
3 votes
2 answers
1k views

Frame size of Cannondale Synapse

I need to sell my husband's Cannondale Synapse. Can anyone tell me how I identify its frame size, please?
Missy's user avatar
  • 31
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....
AhseemHermanson's user avatar
1 vote
1 answer
40 views

Will my Tyre - Rim combination work

Will a 26 x 1.75 tyre fit a Exal ZX 19 rim? I'm changing the groupset as it has died - upgrade from a 7 speed Freewheel to a 9 speed Freehub. I need to change the wheel to make this work but don't ...
MagicalPete's user avatar
0 votes
2 answers
272 views

What size of inner tube fits a 650x47b tire?

What size of inner tube fits a 650x47b tire? It's gravel bike. The tire states it's tubeless ready but there's a tube in it currently.
Bobby magee's user avatar
6 votes
1 answer
193 views

Help me choose a new bicycle size having different geometry

My current bicycle is Triban RC 500 size L (56): https://www.decathlon.co.uk/p/road-bike-triban-rc-500-disc-brake/_/R-p-308097 My hight is 185cm by leg inseam is 90cm. I am looking to buy Bianchi ...
Steve's user avatar
  • 163
-2 votes
1 answer
349 views

I don't understand why these bikes have the specific frame sizes

Why does huffy's Rock Creek mountain bike have the same size frame for the 26-in and the 24-in but the 29-in version has a huge frame like a 26-in mountain bike should not have the same size frame as ...
JØKËR's user avatar
2 votes
2 answers
339 views

700c to 26in V-brake conversion

I have search high and low and feel like I’m kinda close to the solution but.. does anyone know if there is some sort of adapter that facilitates my V-brakes to be lower, offering me the chance to put ...
duhnlic's user avatar
  • 141
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 ...
K C's user avatar
  • 111
0 votes
5 answers
156 views

What bike size should I get?

I am looking to buy a new road bike from Decathlon, for general usage and maybe some longer rides in the summer. I don't know what size should I get because I am about 165cm (5'5) tall and am in my ...
SzAkos04's user avatar
3 votes
1 answer
639 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 ...
AhseemHermanson's user avatar
5 votes
1 answer
350 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 ...
Evmorov's user avatar
  • 153
0 votes
1 answer
360 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 ...
fabda01's user avatar
  • 209
1 vote
1 answer
2k 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?
user66819's user avatar
5 votes
2 answers
979 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 ...
BatS00p's user avatar
  • 51
5 votes
4 answers
3k 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 ...
Lightsout's user avatar
  • 1,737
1 vote
1 answer
510 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 ...
Alison's user avatar
  • 1,213
7 votes
2 answers
642 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 ...
user65636's user avatar
2 votes
1 answer
759 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?
adamaero's user avatar
  • 121
2 votes
1 answer
423 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 ...
Caden Sorensen's user avatar
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 ...
Bernardo Sulzbach's user avatar
1 vote
1 answer
203 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-...
Loralrose's user avatar
-3 votes
5 answers
395 views

Would a Rockefeller custom-build a frame? (If money were no object, is a custom frame always preferable to stock)

Even more briefly Suppose you're a Rockefeller. In other words, money means nothing to you, and a 100K-250K bill is an insignificant expense. You select a bike model and find you are between two frame ...
Sam7919's user avatar
  • 9,246
6 votes
6 answers
2k 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 ...
User1265's user avatar
3 votes
1 answer
139 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 ...
Superman.Lopez's user avatar
1 vote
1 answer
3k 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 ...
James's user avatar
  • 59
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 ...
James's user avatar
  • 45
3 votes
5 answers
9k 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 ...
Lkaf Temravet's user avatar
1 vote
3 answers
1k 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'...
RAMITA SINGH's user avatar
2 votes
1 answer
266 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&...
Dantert's user avatar
  • 23
4 votes
3 answers
8k 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 ...
nightrider's user avatar
  • 7,879
0 votes
1 answer
116 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 ...
David Packham's user avatar
0 votes
2 answers
758 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.
Joe Hyatt's user avatar
0 votes
3 answers
308 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 ...
www-0av-Com's user avatar
1 vote
1 answer
1k 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 ...
Angelo's user avatar
  • 143
1 vote
1 answer
92 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?
Tracy's user avatar
  • 11
0 votes
1 answer
216 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 ...
GEC's user avatar
  • 1
3 votes
2 answers
722 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 ...
fabike's user avatar
  • 31
4 votes
1 answer
406 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 ...
Buse Ozkan's user avatar
1 vote
0 answers
80 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 ...
Uggers's user avatar
  • 11
0 votes
1 answer
125 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 ...
Ender's user avatar
  • 2,032
0 votes
1 answer
70 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
Alpha Rider's user avatar