Questions tagged [frames]

Bicycle frame construction, selection, maintenance, and repair.

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1answer
76 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
84 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 ...
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0answers
39 views

Help me figure out what Haro model I have FRB-215 K11EK16991?

Maroon n black in color, used to have a gyro n only rear brakes
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
78 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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0answers
130 views

unknown! Some details about this bike?

I bought this bike yesterday. I'm trying to figure out the model, the year, but nothing. I know there are a lot of "specialists" on this forum. The involvement of some has become known in ...
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1answer
79 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
89 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
49 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 ...
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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
78 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
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1answer
96 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,...
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2answers
246 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 ...
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1answer
43 views

Frame maker identification

Anyone know the manufacturer of this frame? Many thanks
2
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1answer
323 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 ...
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3answers
965 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, ...
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1answer
41 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
147 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 ...
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4answers
731 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 ...
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0answers
59 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
161 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.
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1answer
79 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, ...
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3answers
152 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. ...
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2answers
67 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
135 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 (...
5
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1answer
607 views

Bike seat tube is messed up

I was testing my seat and as I was sitting on the bike on the highest level of the seat post. My seat post came off and bent my seat post, so I ordered another, but now my seat tube doesn't allow my ...
6
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3answers
388 views

Does a highly visible frame colour improve safety significantly?

Studies have shown that wearing hi-viz colours, particularly on moving extremities such as one's feet, coupled with hi-viz helmets and cycling shirts, increases the chance of been seen by a driver ...
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1answer
226 views

Interesting frame, not sure what I got

I just bought this nifty looking bike, but alas I don't know the manufacturer or model it is. There's a logo with a silver looking "Z" and a made in Taiwan sticker. Any help you can provide ...
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7answers
3k views

What are the most basic parts of a bicycle which cannot be upgraded over a period of time?

After reading this question: Cheap MTB with future upgrades v/s costly fully ready MTB, I myself had a question. What are the most fundamental parts of a bicycle? What are the things which we have to ...
8
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1answer
116 views

How do I install this Ribble endurance SLR headset?

I've installed the bearings and now I'm struggling with which order to stack things. I can't find any documentation or manual of any description. I've attached a few photos. Does anyone have any idea?
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2answers
104 views

Road bike (commuter) frame size problem

My height is 5'9", leg Inseam is 32". My bike frame size is 52cm, is it the right size? If it not then is there a possibility to get injured? I have no option left. I already purchased the ...
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0answers
69 views

Dent in Lower Aluminum Frame Of Cannondale Cyclocross

Recently purchased this bike second hand. How concerned should I be of this dent? It’s about midway down the lower frame.
5
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2answers
536 views

Chain rubs against frame when in smallest rear cog

I've set up a 12-speed SRAM Force groupset with an XDR cassette. When in the smallest rear cog, the chain rubs against the frame: Does anyone know what causes this and how to fix it? The frame is a ...
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1answer
33 views

What bottom bracket will fit the Ribble Endurance SLR?

Will a Shimano Ultegra BBR60 bottom bracket fit the Ribble Endurance SLR frame? I cant seem to find any technical information on the frame anywhere?
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0answers
40 views

bike-frame-jig: customizations of a standard model - interesting features added [duplicate]

good day i am in the mid of creating a bike-frame-jig. the model is oriented at tanner w s jig: https://www.instructables.com/id/Bicycle-Frame-Building-Jig/ see some the parts (here as Acronyms ) he ...
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0answers
114 views

Can anybody help me identify my road bike frame? [duplicate]

The serial number is located under the bottom bracket and its C0 30 402322. It was repainted and the fork is also been replaced. It has the downtube shifter mounts on it with braze on front mech ...
5
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3answers
169 views

Zip ties to hold smart-lock on frame

I've recently bought a smart lock for my bike that can be mounted directly on the frame. Problem is that my frame has no hole for screwing it on the frame. So I improvised with with 3 zip ties on each ...
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0answers
74 views

Trying to estimate cost of replacement for a stolen bike [closed]

The frame says "Nova" and "Columbus". I don't know the serial number. I believe the frame is aluminum. Purchased 2nd (or third) hand in California about 6 years ago. Above is a ...
3
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3answers
95 views

Replacing frame on mountainbike

Today while riding on a trail, the frame of my full-suspension MTB broke. It's been a long time coming, and at this point I'm happy that it didn't 'catastrophically' fail / I didn't crash. I think ...
6
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2answers
409 views

Can and should one install rivnuts into an aluminium frame?

I have an aluminium frame, and would like to add another bottle cage. But there are no mounts below the downtube. I've installed rivnuts into a steel frame before, which worked well. Can I install ...
0
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1answer
71 views

Tire compatibility [duplicate]

My bike has a 19.5 inch frameset (49 cm) and rolls on a pair of 26 x 1.75 BTWIN Trekking tires. I want to go for thinner tires and I came across a set of 27.5 x 1.2 tires on the Decathlon webpage . I ...
1
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1answer
126 views

Method to remove and prevent rust on a Reynolds 531C bike frame?

The frame of the 531C Reynolds tubing is rusting, What is the most appropriate method to remove and prevent the rust? Would it be removing the rust and repainting? If so could you like me to resources ...
18
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6answers
5k views

How is this damaged aluminium frame likely to fail?

I had an unplanned collision with a car yesterday (everyone is fine, thankfully) but my bike – a Giant Revolt 1 – now has a lovely new pair of dents. I cycled it home from the collision (~6km) and it ...
4
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3answers
590 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 ...
0
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1answer
205 views

Are bikes with sloping top tubes lighter than bikes with horizontal top tubes?

For many years bicycles nearly universally had horizontal top tubes, but that has changed: now most bicycles have "compact" geometry, with top tubes that slope downwards from front to back. ...
1
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1answer
113 views

Can anyone help me identify this bicycle frame?

I recently bought this frame from a gentleman who bought a closed bike shop and builds and sells bikes from his 10 or more sheds full of parts. He teaches his church youth kids to build them as a way ...
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1answer
83 views

Santa Cruz but idk which model and year, please!

Hey can someone please tell me the model and year of this Santa Cruz frame I just bought... thanks!
3
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3answers
984 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
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0answers
174 views

Help Me Identify My Uncle's Old Elevated Chainstay Bike

Please help me identify my uncle's old bike. I will greatly apppreciate all of you that willing to help mi. Thanks to all in advance who help!
3
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1answer
82 views

my first frame jig - a customized one - which addons and features to add?

i am currently workin on the Bicycle-Frame-Building-Jig that is designed by tanner W at Instructables https://www.instructables.com/id/Bicycle-Frame-Building-Jig/ which bottom bracket assemblies ...

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