Bicycle frame construction, selection, maintenance, and repair.

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How to avoid or reduce back-pain by adjusting the handlebar and seat of 19.5" MTB?

I'm 6' 3" long, having 45 inches of waist-Toe length. I bought Trek 3500, 19.5" sized frame bicycle two months ago. I've been experimenting with the handlebar and seat positions(Forward n Backward) to ...
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477 views

Gap between fork and frame

I removed the fork from my old racer because I was hit by a car. When I'm trying to put the new fork on the frame, I get a gap where the top bearing is situated. What should I do? Could I just remove ...
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1answer
149 views

What kind of bike is this

Good day. Need help regarding a bike I found. No idea what kind of bike it is, does it have value or not, and could I have it restored with its current condition? Any idea/information about this ...
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1answer
76 views

Comfort vs comfort [closed]

New to the sport of cycling and considering two bikes. The Domane trek 4.3 Disc 2015 and the Domane 4.3 trek 2014 . It's for a 120 km event. Which would give more body comfort in such a distance ? ...
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2answers
220 views

Can anyone help me identify my bike please?

Can anyone help me identify my bike please? It has a slight story attached as it was one of the bikes in the new Lance Armstrong film. It was badged up as a Gazelle TVM (and as far as I can see, ...
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45 views

How to exchange a seat stray on a 2013 Cube AMS 150 Super HPC Race carbon bike?

The derailleur was torn apart so I ordered new seat stays and have to exchange (one of them). I'm not sure how to do it, there are some bearings fastened by screws where hex-wrenches seem to fit on ...
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79 views

How do i figure out the maker of my bike?

There are no words on it, it is a chrome frame and the only markings i found on it were a serial number that reads G1109025563. Is there any way i can get any information on it?
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62 views

Spraying frame of GT Transeo

I've got a GT Transeo 1.0 bike (bought in 2011 or 2010 as best as I can remember) and I'd like to try painting the frame to get rid of some (very minor) surface rust and paint damage. I've read a ...
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131 views

Tapered suspension fork on a 2003 Surly Karate Monkey frame

Is there any way I can run a modern tapered 1 1/2" to 1 1/8" tapered suspension fork on a 2003 Surly Karate Monkey (Original frame style with V-brake and Disc Brake Mounts). I think it only works with ...
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157 views

determining make model and year of a BMX frame

is there a specific website where I can simply enter the bicycle serial number to determine the make model and year primarily BMX frames
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330 views

Rear derailleur hitting chainstay (video in the post)

I filmed a little video of the process: https://youtu.be/ejJsIWrrFTU Does anyone know how to solve the problem? Apart from attaching piece of rubber to the chainstay? It is really annoying, because ...
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137 views

What accommodations might be made for riding a frame 4'' too large?

I have been offered possession of a very old and interesting bicycle, made in 1933. It appears to be in quite good condition, and has a lot of interesting history. However, it features a 26'' frame, ...
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235 views

unknown make model and year

enter image description here! Can someone please help me identify this frame? I have tried searching the net for same lugs design but I can not find anything that is similar to the lugs of this ...
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1answer
188 views

Trying to figure out the Brand/Make of this bicycle?

Got this from a friend hand-me-down style. Got some work to do on it to make her roadworthy. But it's been painted, and I can't see a logo or name on it anywhere. Steel Metal Frame. That's about all ...
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2answers
138 views

Mongoose stamped vs. unstamped

What's the difference between a Mongoose that has logo stamped on frame and a Mongoose with no stamp on it?
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7k views

Carbon Fiber vs. Aluminum [duplicate]

I am a new cyclist who is on my 2nd year of biking. I bought a cheapo Schwinn MTB at Walmart to start with but now I want a real road bike. I currently have $2k saved up and am looking into a ...
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334 views

Allez vs Secteur [closed]

I'm buying my first road bike. I don't plan on racing, but riding long distances, and comfort is one of my top priorities with quality. I tried a 58 Allez in my local shop and it felt like a dream but ...
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1answer
96 views

Y-Foil Frames Rear Suspension?

I have a few questions about the Y-Foil frame (beam frame) Firstly as far as i have seen, there is no rear suspension system, does the fact that there is no seat tube offer suspension and dampening, ...
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2answers
436 views

A bike smaller than is recommended

I have 180cm and the recommended size for me is 58cm or so, which i already have, a classic Peugeot racing bike. Works relatively ok but i found that i ride it better when i'm leaning forward and keep ...
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31 views

What brand is my 20 bmx frame

Serial on bottom of crank case left side wen frame upright-F601W0135. Right side of crank when bike up right-HT-B01
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2answers
138 views

What are the advantages of having a aluminium frame? [duplicate]

are there any advantages that an aluminium body brings to the tables over carbon frames?
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92 views

Pitted rust on frame [duplicate]

Hello I have some small pitts of rust on my 1980 Raleigh royal frame. I don't want to strip the paint and sand blast it are there any non invasive treatments? Some of the chrome surfaces also appear ...
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4answers
257 views

MInor (I think) dent in top of Orbea Alma top tube - frame ok or no?

UPDATE: My lbs mech / owner (same guy) looked at it this AM, says it is good to go, 'ride the hell out of it', he 100% backs it up. And FWIW re: the specifics of this frame and why it's purely ...
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79 views

Bike Frame Brand and Model?

enter image description hereI purchased this bike at a thrift shop and it rides like a dream. Out of curiosity I'm trying to figure out the make and brand. The parts on it seem to be very nice so ...
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126 views

What frame is this?

could you help to find out the brand, type, & year model of this MTB frame (attached) ? Best regards.
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198 views

Help identify this frame

I'm not sure what brand this is at all. Any help would be much appreciated. I've tried looking up the serial but i am unsure what the last serial number is. It appears to be a "b" or "6" but I am ...
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849 views

Can someone help identify my bike frame?

I needed to replace my old fixie frame with something lighter, and with a standard BB shell. So I came across this one online. The seller bought it off a friend who stripped and painted it, so any ...
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1answer
955 views

Fort bicycles company from Czech Republic: Where are the steel frames? Company renamed?

There is or was a company from Czech Republic that produced steel frames and forks. The name of this company is or was Fort. Why can’t I find anything about this company or their steel frames and ...
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47 views

Is it cost effective to purchase a frame and components separately? [duplicate]

I was looking to buy a new MTB and was wondering if a purchase of a frame and components separately was cheaper then buying a bike with everything? I would assembling everything myself instead of a ...
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67 views

What's the different between ceramic and steel bearing [duplicate]

Possible Duplicate: Real measurable benefit to ceramic bearings? What's the different between ceramic and steel bearing ? On the bottom bracket, what do you feel when you change into ...
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1answer
502 views

Is there a best suspension frame? [closed]

According to Wikipedia Trek holds two of the several suspension frame designs, and uses them both (combined) on their mountain bikes. The technologies are EVO link and Full Floater, being claimed to ...
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2answers
992 views

What is the right (best) bike for me? [closed]

RE: Disabled Vet, out of condition and trying to buy a bike I started biking back in 1985 and have been out of biking almost 20 years. I was fairly savvy on the equipment of the day. It's changed ...
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1answer
57 views

how can i determine the model of dyno bike i have

I have a dyno vfr 3d dropout flat oval bike. How can I find out what it is? The serial number is S9ET18105.
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1answer
329 views

Replacing a road bike frame [closed]

I have a 2002 Calfee carbon fiber frame, with aobut 45,000 miles. If I replace it with a new one, what improvements can I expect? I have no complaints about the frame, other than a poor paint job.
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2answers
89 views

Identify: 26in dirt jumper/bmx bike “fetish” brand?

I bought a 26in dirt jumper/bmx bike. No markings but the guy said it was a fetish. The set up is bmx but the frame looks like a jumper. Bmx cranks and dropouts. The serial number is SNFSD13BF1725.
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1answer
91 views

Can anyone identify this bike please?

I bought this bike at a police auction and it is all aluminium and I was told it is a track bike. The serial number under the frame is VISP120888 OR V1SP120889 On the crank it has 1R9CBA and R9FAA ...
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1answer
163 views

Frame not faced for BB. Strip the paint or leave as-is? [duplicate]

So I just got my new frame from the LBS. They were supposed to face the frame, but only faced the head tube (hopefully, can't check it since the headset is already installed.). Sadly, they didn't ...
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1answer
221 views

What differs between the Cervelo S5 and S5VWD

Looking at the Cervelo S5 series there are two different models but the Cervelo page offers no mention of what differences are.. could someone enlighten me? Looking just at the framesets is there a ...
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1answer
139 views

Can a road bike be transformed intto an mountain bike? [closed]

I have a rigid road bike right now, can I transform it into a full suspension mountain bike?
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1answer
11k views

How to tell what BMX frame I have?

How can I determine what kind of BMX frame I have if I there no decals on the bike when I got it? I got it from my dad who found the frame and we put it together, but I am clueless as to what brand or ...
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1answer
445 views

What is the correct frame size for me?

Well I want to buy this used giant escape 3 for a good price but the frame size seems to be a bit big. It is a shame though, Because it's at a great price. I am 5'7 and the Frame size is 23 inches. ...
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2answers
301 views

What frames fit these requirements?

I'm looking to build up a bike, and while I have certain characteristics in mind I'm not familiar enough with the frame market to know what to look at. This would be my daily commuter/grocery runner. ...
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2answers
312 views

Can anyone identify this frame?

I've recently picked up a 'beach cruiser' frame from a local free-add site. It was claimed to be a Huffy, however I can't seem to verify this (I've emailed Huffy and I'm awaiting their response, and ...
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1answer
292 views

Size medium or large [closed]

I am buying a cube hanzz pro freeride but I cant decide on the size. The dealer has only Medium size so I cant ride the large one. I am 182 cm tall 76kg and have step length of 89cm. What shall I do?
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1answer
608 views

Would a 53 cm track(cinelli mash bolt) frame fit a 6'0" tall guy? [duplicate]

I want to buy a friends but I'm not sure it will fit me
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1answer
80 views

Where can I sell Shop Rags? [closed]

I have 2 boxes of Shop rags sitting in my living room. Each box contains 1000 cotton automotive Shop rags. The rags are brand new still in the box. Shop towels is the product that everyone working ...