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Questions tagged [frames]

Bicycle frame construction, selection, maintenance, and repair.

1
vote
3answers
123 views

Can this frame be used or is it done?

I have a cheap mens Huffy mountain bike which I noticed has 2 holes in the frame. Would this be too unsafe to ride?
4
votes
2answers
116 views

How important is it to re-space my rear hub?

I just bought new wheels for an older Schwinn frame. I don't know the date it was made, but it's a steel frame and as built it had stem shifters and a cup-and-cone bottom bracket, etc. Probably from ...
3
votes
1answer
105 views

Identify this BMX logo please?

Hi all, having trouble identifying this logo found on my Bmx frame- any ideas? Many thanks More info: It was bought with all high end parts- and was said to be WTP Justice or other WTP frame—...
1
vote
1answer
139 views

Is this damaged aluminium frame unsafe to use?

Hello I have a Giant Seek 3 aluminium frame where somehow the rear rim has rubbed the frame creating a hole as shown in the picture. On the other side there has also been some rubbing/scratching but ...
-2
votes
2answers
105 views

Can you tell me what this frame is and year please

I need to identify a bmx frame i have Its a twin top rail
2
votes
2answers
357 views

Bent Peugeot Carbolite 103 Frame

I have a vintage Peugeot carbolite 103 frame which is really bent. The rear triangle is bent in the direction of the drive side to such an extent that the drive side crank arm is blocked by the frame ...
3
votes
1answer
124 views

Help identifying make of steel elevated chain stay mountain bike frame

Could anyone tell me what is the make or model of this bike there are no visible numbers or name except for this sticker of the maker of the seat tube. I appreciate all the help. you guys know your ...
3
votes
3answers
6k views

25 degree rise stem vs 6 degree rise stem with taller head tube - how is handling affected?

All, I’m shopping for a new road bike with endurance geometry (more upright position and shorter top tube), 9mm drop saddle-to-bars. I’ve had a Guru fit done by a professional fitter. The main ...
10
votes
5answers
3k views

Frame failure sudden death?

I had a serious accident, my fork suddenly snapped when riding. I sent my bike for repair (to get a new fork installed) and the guys at the shop hammered the frame in place, as apparently the frame ...
2
votes
0answers
91 views

Can anyone give me some information on this Peugeot frame I bought this weekend?

I've been looking through old Peugeot brochures and searched the numbers on the frame but I cant find any pictures of any Peugeot bikes that look like this one. The chrome section with the flags of ...
19
votes
9answers
17k views

Rear wheel slipping out under load

My commuting/cyclocross bike (a Surly Crosscheck) has a problem. If I tighten the quick release skewer to a normal level, sort of firm to close it, then if I step on the pedals hard at some point, ...
0
votes
1answer
197 views

Why would a frame lack serial numbers?

Other than being a custom frame or it was stolen is there a explanation for the frame to be missing the serial numbers? For instance do they use the same identification marks over seas?
2
votes
2answers
92 views

Help please - Dent in top tube of double butted aluminium frame

I have a ridgeback velocity which is labled as double butted aluminium. Around the middle of the toptube is a dent shown in the photo. There is also a short line above it which I can feel with my nail....
-4
votes
0answers
52 views
7
votes
9answers
58k views

How can you remove logos from a bike frame?

I'm trying to remove all these annoying labels from my bike. On the main frame there is one big logo, but I'm not sure if it's a sticker or not. The frame is black, but it's very cheaply made, and the ...
3
votes
3answers
3k views

Difference between “Track Frame set” and a “TimeTrial/Triathalon frame set”

I am going to make a custom fixie bike (possibly with a front brake) that I will use to race on tracks and even commute with. I have been looking at a Planet X frame, and they seem to have very ...
6
votes
1answer
59 views

Prevent internally-routed cable housing from vibrating against frame

The rear brake cable and housing are internally routed through the top bar of the frame. It rattles around when riding on bumpy roads and sounds annoying. What's the best way to mitigate this?
3
votes
4answers
42k views

Disadvantages of Riding Larger Frame Sized Bike than Reccomended Frame Sized Bike

I unconsciously bought a bike which's frame size is larger than recommended. (My height is 163cm bikes frame size is for people 174-190cm) (I dont have any problems with reaching ground with my feet ...
0
votes
3answers
459 views

Frame adjustment for engine

I want to turn my bike into a motorized one, but i can't get engine clearance because the 2 tubes in the picture are so wide on my bike. I was wondering if I cut those tubes and replace them with ...
0
votes
1answer
72 views

Frame identification

Any idea of the maker of this carbon frame, if more photos needed just let me know
0
votes
2answers
95 views

What is the best way to raise handle bars

I have bought a second hand 19 inch frame and I am normally used to a 20.5 inch. The bike rides OK but I would benefit from raising the handlebars. I have read about fork steerer tube extenders and ...
3
votes
1answer
223 views

What bicycle manufacturer used this emblem

The top bar has the model name "AMERICANO" but I don't know the name of the frame manufacturer. I would appreciate your help identifying it. Thank you
5
votes
2answers
126 views

Cracks in paint on aluminum frame

I noticed some small cracks in the paint on my aluminum frame bike. The cracks are clustered around the rear brake boss, and only on one side (NDS). The bike is from 2011 and has been ridden over 10,...
4
votes
1answer
170 views

“bent” by design frame

Lately I have been looking on new bikes, and I have seen some design on an aluminum frame which left me quite dubious: That bend seems to scream "I am gonna buckle at the first hard hit!". Are my ...
-1
votes
1answer
108 views

Hi, I'm looking for some help in identifying this bike frame?

I'm looking for some information on this bike, it's a steel frame road bike with chrome dropouts the rear ones are SR suntour ones, theres no badges or decals on it it was like that when I bought it , ...
22
votes
18answers
4k views

What different frame materials have been used?

In response to yet another frame materials question, I thought it might be useful to start with a more answerable question. One answer per material please, with an example of a bicycle frame using ...
1
vote
0answers
282 views

BMX frame logo identification

I have a BMX frame with a stylised "h" on the rear forks. Can anyone ID it for me?
7
votes
4answers
3k views

Installing a Bottle Cage without Mounting Screws/Threads

I have a Next PX 6.0 mountain bike that I bought at Walmart a few years ago. It did not come with pre-installed mounting screws and/or threads for a bottle cage. The frame has large, strangely ...
4
votes
1answer
314 views

Does anybody recognize this MTB frame?

I just got this frame for a few bucks and I wonder if it is from a known manufacturer or not. I often find bikes with similar design aspects, but not this frame. There was also a Marzocchi 55 ETA from ...
-1
votes
1answer
165 views

I'd like to know what kind of bmx bike I have

I got this frame in an old pile of junk ,can you please let me know what kind it it t/y
13
votes
5answers
7k views

Can the top tube on a mens bike be cut off?

I want to cut the crossbar on a mens bike to make it easier to get on and off. Will it damage the bike?
4
votes
3answers
216 views

How to assess safety of carbon frame after crash?

I was recently hit by a car which pulled onto a roundabout. The driver hadn't seen me. The car hit me hard enough to actually snap the rim of my rear wheel. The bike has a carbon fibre frame and ...
1
vote
1answer
52 views

What kind of fork end is this?

I am looking for a new city/urban bike and thought that a gear hub would be a nice addition (before this I was exclusively using derailleur gears). To get started I was reading the wiki page on fork ...
1
vote
1answer
213 views

Posture on mountain bike long term

I have been looking at sizing guides because I'm contemplating ordering a new bike and found out that I'm the totally wrong size for the bike I actually have. I'm normal proportions and 5 foot 7, but ...
2
votes
4answers
8k views

What is the weight difference between frame sizes?

I was wondering if any one has an idea of how much more weight a larger size bike weighs. Specifically S-works Tarmac. So for example what would the difference in weight be between a 56 compared to a ...
4
votes
4answers
2k views

I have a hybrid bike which the frame is too big, is there any modifications I can make to make it more comfortable?

I bought a hybrid bike from halfords around 6 months ago, however i have only recently had chance to ride it. I have found that the frame is too big, they wont exchange or give me a refund. I was ...
2
votes
1answer
185 views

Rear wheel touch frame during off saddle sprint

bike: Cervelo S2 Photo wheels: Mavic Cosmic Pro Carbon (wheel is true) tyres: Continental Grand Prix 4000S II 23mm Problem is that during off saddle sprint my rear tyre touch the frame and makes ...
3
votes
2answers
129 views

Identify this bike please

What kind of bike is this? Looks like it says Tornado. I love the handles - what kind are they?
3
votes
3answers
116 views

Rust hole on tube between chain stays

I've inherited a frame my father used to ride and was planning on getting it blasted and coated. Checking it over it all seems to be in fair condition (its decent 531 Reynold tube), some rust, but ...
2
votes
1answer
4k views

Can I change a 26“ to a 24” tire on a Huntington Schinn Women's tire?

I recently purchase a Huntington Cruiser by Schwinn. The standard tires are 26". I am new to cycling and am having a hard time finding information regarding tires and frames. I would like to change ...
2
votes
3answers
5k views

Can a (relative) beginner adjust spacing on a 501 cromo road frame?

Have acquired a cheap old Peugeot road bike from ebay; nice cromo frame, but it needs a new rear wheel and unfortunately I didn't check the dropout size before buying. It has an OLD of ~120mm, but I ...
-3
votes
1answer
204 views
4
votes
3answers
1k views

Is it safe to use aluminium seatpost adapter (27.2mm to 31.6mm) for a carbon frame?

I have Cane Creek Thudbuster Seastpost (aluminium) 27.2mm x 400mm which i want to use for a bike with a carbon frame (31.6mm seat-tube). I'm thinking about getting a seatpost adapter/shim from 27.2mm ...
25
votes
6answers
21k views

What is the difference between a horizontal top tube and a sloped one?

Some comparable bicycles have a crossbar (top tube) that's horizontal: Others have one that's sloped: What are the reasons for either frame design? Is it merely style preferences? Or is there more ...
1
vote
0answers
86 views

Replace Viner Settanta seat post securing wedge

My seat post wedge has been removed. There seems to be loads of different styles and shapes depending on the make and model of frame. Does anybody know if any other makes will fit it as having trouble ...
-2
votes
2answers
132 views

Are my frame and fork straight?

I have been riding bikes and motorcycles since I can remember. Doing no hands is no problem, my question is with this particular generic bike frame that I built: I cannot do no-hands riding. Is the ...
14
votes
3answers
7k views

Can I glue this crack as a temporary solution?

I suddenly noticed a crack in my frame. Is it practical for me to use glue to seal it off as a temporary solution? Edit: Further information ...two incidents so far. Someone opened their driver ...
1
vote
1answer
139 views

Frame with dent

I recently bought a bike and then realized it had a dent on the top tube. I would like to know your opinion if it is safe to ride. The bike is a Devinci Cameleon made from double butted aluminium. The ...
4
votes
1answer
4k views

Is it possible to run standard mechanical shifting on a Scott Foil Premium frame?

The Scott Foil Premium is the highest end frame available from Scott Sports, and it is designed to run an electronic drive train, routed internally. The original reports were that this frame would be ...
10
votes
4answers
3k views

Banged frame: Is it still safe to use?

My girlfriend's bicycle was vandalized by a neighbour. It seems like they banged it with a hammer or something right in the middle of the frame. Is this still safe to use?