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Questions tagged [frames]

Bicycle frame construction, selection, maintenance, and repair.

1
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2answers
120 views

How to choose a frame to be sure it fits to the owned components?

I have parts from another bicycle which got it's frame broken. What criteria should I check before ordering a new frame to avoid compatibility issues with old parts?
-1
votes
1answer
166 views

can you help me identify my haro frame?

Ive been searching on the internet and i could not find the name of this frame.
3
votes
1answer
2k views

How to check carbon frame for cracks

Yesterday, a little boy hit my carbon framed road bike with his little bike while I was already standing. He was not very fast, the normal 'little-boy-dreaming-on-his-bike'-speed. So, nobody got hurt, ...
3
votes
2answers
479 views

How to tell if Hollowtech II bottom bracket cups are aligned?

I've heard all over about how important it is that you face a frame before installing a Hollowtech BB, as the cups not being aligned could be the difference between your BB lasting 1k and 10k miles. ...
0
votes
1answer
106 views

road bike frame size

my wife bought me a used flat bar road bike for christmas. to her a bike is a bike, one size fits all. it was quite ovious to me that it was going to be way to large as it had a sticker on the frame ...
0
votes
1answer
300 views

Help choosing between two frame sizes based on my dimensions [duplicate]

I would really appreciate some help choosing a size of bike frame. I am stuck between choosing the large or the extra large. I may go down the route of getting professionally checked on the bike, ...
1
vote
2answers
1k views

Is there anything wrong with fat blobby frame welds?

Are fat blobby welds inferior, other than aesthetically? Here's three examples, one's a BSO, one's a decent/good Trek and one's an expensive Felt downhill full-suspension bike.
7
votes
4answers
962 views

How has hardtail MTB geometry changed in the past 10 years?

So I have been sitting on my 2005 Specialized Rockhopper because it is such a good fit (23" bike I'm 6'6") however I probably haven't ridden it in 5 years as it needs a new front fork. I'm just ...
-3
votes
1answer
104 views

What kind of frame is this the number is. ACS8E03286 [closed]

. This a green frame and I'm trying to figure out what it is.
4
votes
1answer
250 views

Installing mechanical group set on “electronic only” frame

I've been upgrading my Cannondale CAAD3 road bike from 2005 step-by-step over the years as things get worn out. Now its time to upgrade the frame. I have an eye on a Cannondale SuperSix Evo Hi-Mod ...
0
votes
1answer
94 views

What to do If your pedal are squeaking and are not straight?

I have a dtb and the pedals aren't straight they are kind of bent It seems that something is broken in the place where they are join. update: It's moving sideways and the outer bolt are quite slanty ...
3
votes
1answer
94 views

How to measure a frame to find an appropriate rim?

Question: How does one measure their frame in order to know which size rims will fit? Context: Flatmate left a few months ago, forgot (perhaps intentionally) a Traitor Cutlass frame. When asked, he ...
2
votes
1answer
740 views

Is this just the paint cracks?

It is on the dropout of my new tarmac, one month old. The shop owner said "It's normal for this side to crack it might be from the chain" But when I did test the chain it didn't touch the frame (...
1
vote
2answers
891 views

Can my bike have disk brakes fitted?

I just bought this bike and I want to put disk brakes on. I searched on the web for answers but I only could find a bad picture and I couldn't see if it had the same holes at the sane please as my ...
1
vote
1answer
473 views

full suspension whole/frame only mountain bike box dimensions

i am planning to buy a full suspension whole or frame only mountain bike (commencal meta am v4.2). what boggles me is the dimensions of the box when it is shipped because the shipping price is really ...
4
votes
5answers
3k views

Adapter for moving bottle cage up/down while using frame's bottle cage braze-ons

Are there adapters available for moving a bottle cage up/down in the frame? I am trying to move my seat tube's bottle cage down 4-5 centimeters and I prefer using the braze-ons. Note: the question is ...
2
votes
2answers
819 views

Frame/fork compatibility

I have a singlespeed/track geometry frame and I am after a fork that matches it. Besides the diameter of the steerer tube (it's 1 1/8"), what should I be looking for in the fork specs to be sure ...
0
votes
1answer
757 views

Bike size - will a 2cm make a difference

I am buying a Cannondale Synapse 105. I have to buy used, not new. There are two I am considering, they are identical except one is 54 cm and the other is 56 cm. My height is 5' 10/11". I have read ...
3
votes
1answer
359 views

BB30 to BSA frame conversion with internal cable routing?

I'm interested in using BSA crank parts with a certain BB30 frame and I'm a little unclear about cable routing, I'm hoping somebody here can help clarify the confusion. I'm considering purchasing a ...
2
votes
1answer
200 views

Cyclocross Frames and Disc Brake Compatibility?

I'm looking for some guidance on how to determine if a certain disc brake is compatible with a certain cyclocross frame. Specifically, here is my particular situation. I have an extra set of Spyre ...
1
vote
1answer
157 views

Short inside leg body: smaller frame?

I have a bit of a disproportionate body. I am 176cm (5'9") tall, but my inside leg height is only 76cm (2'6"). I want to build a fixed-gear bike and I am looking for a frame of the right size for me. ...
2
votes
2answers
1k views

Aero road bike frame - frame size number vs actual frame size?

I'm encountering some confusion on frame size and any clarification would be greatly appreciated. I've always been under the impression that a stated frame size was the distance, usually in cm, from ...
0
votes
1answer
8k views

Determining make model and year of bmx frame

I'm restoring a 20" bmx frame and would like to know maker, model and year so I can restore to original as possible. There are two numbers on the bottom of crank housing. MBI-...
1
vote
2answers
154 views

Best frame material for Leisure

I cycle less than 10kms a day but I'm a little on the heavier side as well. What would you recommend, Aluminium, steel or Carbon fiber frame (body)?
0
votes
1answer
137 views

Can I put 700x32 tyres on my Avanti Blade?

I'm kitting out my 2006 Avanti Blade for some touring in Tasmania, and the tyres need replacing. Currently they've got some 700x28's on there, but I want to go a bit thicker for touring in case I need ...
1
vote
1answer
150 views

Would like to find out what is the brand of this bike I am rebuilding?

I know is chromoly frame, and serial number starts with 8D30D334... I will add pictures, if anybody can help would be great... Edit from a later post: Yes, I found out that the tires had been ...
4
votes
1answer
133 views

Panasonic/Tange brake cable guide removal and replacement

As someone who has never had a bike with internal brake cable routing (in this case through the top tube), I bought an '87 Panasonic DX 3500 bike for restoration. The frame as well as many of the ...
7
votes
2answers
1k views

Aluminum frame quality - how much variation can there be and how to tell?

Take a look at these two aluminum frames. The first one is a $1k bike, and the second one is a $200 bike. Is there a significant quality difference between these frames? And if so, how can I appraise ...
10
votes
3answers
2k views

Recycling bicycles

Previous week our street had a collection of bulky waste. In two days I have really seen an enormous number of old bikes. Some bikes were probably more than 30 years old. Typically, old people save ...
1
vote
2answers
252 views

Please help me identify this frame

The sword on the frame is the only identifiable mark on the bike. A guy I used to rent a room to left all his crap here. It's been sitting in my garage for years.
4
votes
2answers
2k views

carbon seat post to carbon seat tube - necessary to loosen periodically to prevent seizing in place?

I recently (about 4 months ago) purchased a bike with a carbon frame (i.e. carbon seat tube) and a carbon seat post. I've read some nightmare stories about having to replace an entire carbon frame in ...
1
vote
1answer
151 views

Is SLX FD 675-B front derailleur appropriate for my bike?

It seems I've made a few 'tiny' errors when choosing components to upgrade my bike. The biggest issues I'm facing at the moment are crankset and front derailleur... Bike is Eyble Psych 4 Black ...
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 ...
4
votes
4answers
719 views

How do different frame materials affect the handling of a bike?

I can appreciate that some materials are lighter than others and some have more flex than others, but overall, how do different frame materials affect handling of the bike? Assuming the same geometry ...
-4
votes
1answer
280 views

What kind of bike is this? Can anyone tell by the logo?

I got this bike but am not sure what kind it is is there anyone who knows this logo on here?
2
votes
4answers
3k views

How to protect bike frame mounted on the carrying rack?

The ropes I fix the bike with on the rack and the rack itself (although covered with a plastic layer (an old inner tube) make marks on the frame. I would like to avoid using extra pads, sponges or ...
1
vote
1answer
169 views

Identify old road bicycle frame

Does anybody have idea what is this bicycle frame? We are considering with a friend restoring it and would be grateful for any info, also is it worth it. Frame is totally without any stickers or ...
0
votes
1answer
55 views

An Old Tandem. Need to Know the Maker [closed]

I have an old Tandem Frame. The identification is the Number 311. Is it possible to identify the manufacturer just from this information
-3
votes
2answers
1k views

Are Bikesdirect.com bikes any good? [closed]

I need a new touring bike. I live in an area where such bikes are associated with exorbitant prices. Given that I am really attracted to buying my next touring bike from Bikesdirect.com and cut the ...
4
votes
1answer
2k views

What are the differences between Columbus Tubings?

I'm just wondering why there are seven kinds of tube sets by Columbus (or Reynolds). There's XCr, Spirit, Life, Zona, Max, SL, and Cromor. I recently had a frame made using the Cromor tubeset; mainly ...
4
votes
2answers
1k views

What exactly is a “trials” bike?

I'm interested in learning more about trials bikes. I've seen them in pictures and videos with the riders doing really impressive stuff on them; incredible balancing, huge jumps, etc. This type of ...
4
votes
3answers
408 views

Did my bike frame crack?

during my morning ride today, I slipped and fell down, and as a result, a crack formed on my carbon frame. I have checked the entirety of the bike and this is the only crack, but I am not sure if I ...
2
votes
1answer
108 views

Installing Schwinn Vestige frame LED cable

I read a post (Daniel and Jennifer) from a couple of years ago explaining that the Vestige frame LED should be replaced if it is no longer working. Thanks for that. Now, I'm seeking tips, a guide or ...
2
votes
1answer
6k views

What is the life expectancy of aluminum alloy frames? [duplicate]

I learned for the first time that aluminum alloy frames are said to have a "life expectancy". This is the bike in question, my 2007 Felt Z80. It has an aluminum alloy frame. I really like it and don'...
3
votes
2answers
618 views

aluminium fatigue how to know if some thing is going wrong?

I have an early 00' road bike with aluminium frame. I have read some stuff about aluminium having life expectancy of ten years. What it exactly means? I cant see any thing wrong in the frame (there ...
2
votes
0answers
343 views

Help identifying a Bianchi track frame

I've been trying to identify this Bianchi track frame - any help would be appreciated! Closest I've come is Eco Pista from early 80s, but I'm absolutely no expert on the matter. The numbers on the BB ...
1
vote
3answers
220 views

Dawes Galaxy OLN and horizontal dropouts

I want to build up a steel framed commuter/light tourer/utility bike with hub gears. A Dawes Galaxy from the 1990s era looks about right to provide the frame. But I want 135mm rear dropout spacing (...
0
votes
1answer
319 views

Cyclocross frame size question [duplicate]

I'm looking to purchase my first cyclocross bike and just found a good deal from someone. It's a Cannondale CAADX tiagra 2015 with a frame size of 56 cm (top tube 56cm basically). I'm a little bit ...
2
votes
1answer
130 views

Do older Dawes cycles use standard components?

I'd like to built a commuter/utility/messaround type bike. I like hub gears, and I want a steel frame. I've been looking at older Dawes bikes. Specifically a 'Streetwise' or Galaxy. I know some have ...
4
votes
1answer
3k views

Is my bike too big for me?

I recently bought a bike online for use in college and after trying to get on the bike, and I think it's too big. The problem is that I'm pretty small. Like 4'11", 27" inseam small. Little legs, yes. ...