Questions tagged [frames]

Bicycle frame construction, selection, maintenance, and repair.

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2
votes
1answer
48 views

Rattle inside frame: cause for concern?

Recently, something started rattling inside of my less than a year old hardtail mountain bike frame. I was unable to figure out what, and could not fix it. Is this cause for concern? The frame is ...
3
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2answers
105 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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0answers
28 views

I can not identify my bike and these serial numbers can you help.? [duplicate]

I can not identify my bike and these serial numbers are not pulling up anything SNACY 12H11569 can anyone help me find the name of this bike frame ?
2
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2answers
123 views

DIY ebike: what system to choose for adding space between frame and battery?

So, the project is to install this 5kg battery: on this bike: This is no joke. I'm serious. Following up to this previous question, I'm going to use steel rivnuts (aluminium is really too light for ...
2
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1answer
343 views

Blind rivet nuts for ebike battery on frame: aluminium or steel?

I'm planning my first installation of an ebike battery by drilling/riveting the frame (photo of the battery below), here are some details about the project: The battery weights about 5 kg. It's a ...
0
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0answers
50 views

Carbon Specialized Sirrus X5.0 Help

I am very new to this thread and seeking help from an experienced bike enthusiast. I just purchased the aforementioned bike in the title and after bringing it home for inspection(bought brand new from ...
3
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2answers
288 views

Trying to figure out what brand this frame actually is

Trying to figure out what the original brand of frame this is. The original owner said it was repainted and it doesnt seem to be an s-works frame
1
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1answer
117 views

Is this old steel frame MTB too big based on standover clearance?

Background: I'm a road bike rider but I bought a cheap but well kept old chro-moly steel frame 26er mountain bike (80s or early 90s model Miyata). I am planning on converting this to an ebike with a ...
4
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4answers
1k views

Drilling hole in aluminium frame

I want to attach a pump holder to my aluminium frame. Can I drill holes in it ? I would then use blind rivets with some glue for waterproofing to attach the holder. Is there a place on the frame where ...
5
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4answers
2k views

Why are bicycles so expensive?

I am looking to buy a bicycle to go from university to home everyday( about 20 KM per day), but I saw the price of bicycles are around $5000-$10000! I know I can buy many great motorcycles within this ...
0
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1answer
62 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 ...
2
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1answer
73 views

How can I measure what is a relaxed geometry frame?

I would like to know If a frame would suit me for really long distance riding (100-200km). I have read about the stack to reach ratio, which for example for one of my bikes that is comfortable for me ...
1
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1answer
86 views

Unknown brazed steel frame

Hi all new here after a lot of searching, i was hoping maybe someone would be able to help me. Ive been trying to find out what frame i have. I bought a old steel frame from a car boot sale about 10 ...
2
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3answers
420 views

What are the times and costs involved in assembling a rideable bicycle from a salvaged frame?

Let's assume I bought a frame for XXX eur/usd/gbp. It usually is a steel frame from late '80s/90s, or an aluminium frame from the early '00s. The frame is of decent quality, it does not present ...
6
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2answers
2k views

Is my carbon frame done?

I have a carbon trek Emonda bicycle. Today, my rear derailleur got caught in my wheel. As a result, the rear derailleur is bent, the rear derailleur hanger snapped off, the chain got twisted and the ...
3
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1answer
391 views

Why is this rear wheel not aligned with the frame?

My LBS sold me a new wheel. I put on the new wheel. I'd go back to the LBS, but I'm afraid that I live far away from them. Alas, I'm now having this problem: As you can see, the wheel is quite not ...
2
votes
2answers
114 views

Using degreaser on a bike frame?

I recently did a big clean up of a bike that I bought and when I was washing the bike there were specs of dirt on the frame that I couldnt remove, I tried a soft brush, Muc off bike cleaner and (water ...
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2answers
143 views

Can someone help I don't know brand of bike mine is?

Hi I don't now what kind of bike or logo please help thank you.
0
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1answer
51 views

Name of colour of paint on Kink Volte BMX

I am looking for the color name for restoration on my kink volte? serial # aca10e001651 Any ideas would help. I'm hitting a brick wall with google.
3
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2answers
143 views

Please identify, Lago bike from Germany

help me to identify what kind of bicycle frame it is and its cost, if it is valuable, I will be grateful for any information. (Click images for larger view.)
1
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1answer
86 views

Disc brake mount/adapter bolt length

My bike's frameset has IS mounts. The mounts are 9.6mm thick. I bought a pair of IS to post mount adapters but they don't come with bolts. The adapters are 11mm thick. How long should the bolts be? ...
0
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1answer
65 views

Original fork 1'', new fork 1 1/8''

I put a picture of my original frame. The internal diameter of the straight cylinder is 31mm. In this frame was installed an original fork of diameter 1''. I would like to buy this fork : https://www....
1
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1answer
63 views

How do you tell what model of bike I have? [duplicate]

I bought this bike 2 days ago. I searched for some info, but couldn't find it. The only information I found was to be around 1972
1
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2answers
84 views

How to fix a kickstand that slide?

This is the kickstand of my folding bike, and since the day I bought it, the kickstand just don't stay in place. It move around the bolt a tiny little bit, and from time to time it touches the crank ...
4
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2answers
820 views

Seat tube dents from Front Derailleur band-on. Is this gonna get worse over time?

I just noticed it on the seat tube yesterday. Looks like a front derailleur clamp mark though I'm running a 1x setup (my LBS might've tried something on it before I purchased). Just worried about the ...
2
votes
1answer
143 views

Repair Marin Hawk Hill (cracked frame) or get new bike?

I have a 2017 or 2018 Marin Hawk Hill. It has a cracked frame (see photo). My local bike shop contacted Marin, who said they have a frame that can be used. It would also require a shock replacement. ...
3
votes
3answers
994 views

Fixed gear steel frame from AliExpress

I would like to build my own fixed gear bike. I want a steel frame, I know different quality of steel and I want to avoid HI-Ten. I will be mostly for urban cycling (pavements) and I would take ...
0
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1answer
95 views

How to adjust when i am 5'5 foot tall and having a 42 cm roadbike frame?

Im planning to buy a roadbike frameset in my local store but they say that the size of the frame is 42cm and i am 5'5 should i buy that frame?
1
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1answer
93 views

How to remove a stripped bottle cage mount?

I was taking off my bottle cage on my Specialized Secteur sport triple, and I found the mount was spinning with the bolt. (I believe it is called a rivnut but I am not 100 percent certain.) Before I ...
3
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2answers
1k views

Is it ok to hang the bike by the frame, if the bowden is on the bottom?

Related: there are plenty of Q&A's (both here and on other sides), according to which, apparently, it is ok to hang a bike by its wheel. What I didn't find though is, if it is ok to hang the bike ...
2
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1answer
141 views

Dahon SUV D6 frame hinge

I have a problem with the main frame hinge of dahon SUV D6 folding bike. It is hard (stiff?) and the bike does not fold as smoothly as it should. I am trying to fix it. But i do not Know how to ...
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1answer
86 views

Gravel bike frame material: carbon, aluminum, titaniul or steel? [closed]

For a long ride on a gravel bike, what is the best frame material?
4
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1answer
101 views

Damaged full-suspension linkage surfaces - creaking noises

I just got a brand new, high-end aluminium full suspension bike and after the first ride the bottom frame linkage (the big one, near the cranks) started making loud noises (video link with sound). ...
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1answer
54 views

Help identifying BMX,frame, parts

Yeah I recently bought a bike the crank set caught my eye and a couple other things there's stickers on it but I'm not sure which ones are real and which ones are not besides the obvious to any help ...
8
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2answers
1k views

Frame dropout cracked, what can I do? (Allied Alfa Disc / carbon)

The frame thru axel hole/dropout cracked while using my wahoo kickr trainer. Is this crack dangerous? If it is, what can I do?
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0answers
96 views

Need help to identify a bmx

I have come across a bmx that was trashed, it looks like a good quality bike and I would like to restore it and wanted to find out if it's worth restoring or not, it still has stickers on it which ...
3
votes
1answer
131 views

Canyon ULT and Wahoo Kickr

Bought a wahoo Kickr in November and noticed a small chip to my canyon ultimate carbon frame. In January, Canyon announced the Ultimate was not compatible with Kickr. I'm dealing with Canyon and Wahoo,...
4
votes
2answers
320 views

Seat post nominal and actual size

If seatpost has nominal size of lets say 27.2, what is its actual size? Or other way around, if frame nominally accepts post of 27.2 what is the actual size of the bore in the frame? Obviously both ...
0
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1answer
44 views

Frame maker identification

Anyone know the manufacturer of this frame? Many thanks
2
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1answer
338 views

Why are bicycle tubing diameters often metric approximations of imperial measurements?

This is related to my previous question about seatposts and handlebars, but I’d like to generalize the question this time. The majority of bicycle tubes are metric equivalents of imperial sizes. The ...
4
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3answers
1k views

My chainstays have been eaten by rust, can something be done?

I hope you are all safe and sound and your Christmas time is at least decent in these pandemic times. The other day I decided to give a good clean to my steel city bicycle and I removed the stand, ...
1
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1answer
48 views

Headset upgrade, problem finding headtube dimensions for my 2020 Giant ATX 3

It's a 2020 Giant ATX 3. Does any one know how to find this info? Thx.
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3answers
590 views

How to mount a kickstand on a bike with no kickstand mounts?

I have several bikes. Unfortunately, many of them lack the all-important kickstand mount which makes the bikes practically unusable for everyday tasks unless there's some possibility of mounting a ...
6
votes
4answers
750 views

Will grooves on seatpost cause rusting inside frame?

My bike has grooves in the seatpost as shown in the picture. The grooves do stop slightly further down the post, but the best saddle height for me is when the grooves partially go down into the seat ...
0
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0answers
61 views

What is this BMX?

I got this bike from a friend for free. I was wondering what brand could this bike be? Has Quando Hubs, Odyssey Pedals, Kenda Tires but no logo on the actual body itself.
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2answers
394 views

Is it possible to fit a 26" fork to a 29er bike frame

I want to buy a cheap frame and put parts from my old 26" (wheel and fork) and 15" (frame). Is this possible.
0
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1answer
83 views

Where purchrase cheap MTB frame? [closed]

I recently bought a Merida HT matts sub 60, and I like it but sadly it's way to big for me, I purchrase it more for the components since it was really cheap. I'm 165cm, and probably need 16inch frame, ...
1
vote
3answers
165 views

Bike identification

I am trying to identify this bike. It has a club cutout in lugs and 4 card suits on inside of fork crown. Frame's serial number is 75390. Also has direct frame mount above rim mafac Brake bosses. ...
0
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2answers
87 views

Will a 11-speed cassette fit my Giant SRC 3 frame (~2007)

I would like to upgrade an older Giant SRC 3 (~2007). Having a very limited experience with bike mechanics, how will i find out whether a 11-speed cassette will fit the frame and or the wheels?
3
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2answers
167 views

Effects of rust on steel frame strength

I have some rust on my front forks. This question tells me how to deal with it, but I'd like to know whether it will be impacting the structural integrity of the forks. I'm planning on going touring (...

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