Questions tagged [build]

Building a bike starting with a frame and adding components to it. If you're starting with tubes that's "framebuilding".

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1answer
101 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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0answers
43 views

Trail Bike Build for Heavy Rider - Component Suggestions [closed]

I weigh 325lbs, 6' 1". I've been riding a Giant Sedona w/ Cloud 9 seat the past several months-pretty cushy. I understand that, despite having a low-end front suspension, it wasn't really meant ...
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2answers
71 views

Resources for bicycle compatibility

I'm looking to build my own bicycle. The main thing I care about is compatibility. I've been researching around and have found various gold nuggets along the way: YouTube - How To Build A Bike From ...
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7answers
2k views

Learning how to build a bike: Is it better to buy a used bike and disassemble it?

As a summer project I decided to learn how to build a bike (from the comfort of my room). I have very little experience with bikes (I just ride a rented bike daily) and have no knowledge with fixing ...
3
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0answers
52 views

Identify vintage bicycle brand

I don't know much about bicycles but I came across one that I want to offer to my nephew since he is into vintage race bikes. I would like to know the original brand of the bicycle/frame since I want ...
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3answers
156 views

Commuting road bike build [closed]

After a bit of research, I decided to build a road bike in order to commute. I'm not looking into buying one since I don't find it that interesting and personal. What used bike and parts should I buy ...
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2answers
75 views

Commuter/ road bike from a MTB frame

I have an entry-level 27.5 mountain bike and I will be moving to London this summer. Since I won't be riding it on trails anymore I thought I can keep the frame and wheels and build a commuter bike or ...
3
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2answers
89 views

Building up a 1988 Schwinn Circuit frame with new parts

I’m very new to vintage road bikes, I’ve had an 1988 Schwinn Circuit frame laying around for years. Is it possible to build it up using newer components? I understand that it originally came with an ...
4
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3answers
249 views

COVID bike build 2020 first timer

I am building my first road bike. I have been an avid biker rider for quite sometime and always thought about getting a road bike, just never got around to it. Fast forward to now, my neighbor (pro ...
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2answers
144 views

Is there any builder site for bicycle?

Say you want to build entirely your own bike, from frame to ring bell. Is there a site that can help you with compatibility among all parts? Or maybe you just want to upgrade your crank set but you ...
4
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1answer
121 views

What does the DIN number refer to …?

I am working on understanding this document for an n55 trike frame build ... http://www.n55.dk/MANUALS/SPACEFRAMEVEHICLES/DIY.pdf Particularly this line: M6 SELFLOCKING NUTS, stainless (DIN985) - ...
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3answers
169 views

How can I connect two pieces of square aluminum tubing together to make a bike trailer using n55 docs?

Me and a friend are trying to build a trailer using principles found here ... http://www.n55.dk/MANUALS/SPACEFRAMEVEHICLES/DIY.pdf They are using 25 mm aluminum square tubing with a 2mm thickness ...
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1answer
101 views

How to adjust cable tension on Dura-Ace 7700 shifter

I have a Giant Defy 3 which came with Shimano Sora groupset. A friend gave me some older Dura Ace 7700 components in good condition so I'm upgrading most of the components including brakes, shifters, ...
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1answer
211 views

How to get or build Superman Swimming bicycle? [closed]

Human body front area depending on pose in case it will be possible to ride in horizontal position drag must be way smaller as front area will be at least 5x smaller. Pardo face down HPV design. ...
5
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4answers
330 views

What are the benefits of purchasing a complete bike from a respectable brand? (Road cycling)

I've been into cycling (almost) my whole life. I've been riding BMX for over 20 years and since 5-6 years I've been doing a lot of road cycling. I ride contests, crits, TT's,... I've been looking to ...
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2answers
166 views

Easiest bicycle to assemble? Single speed?

I have an XC MTB, a road bike and a trainer, which I maintain. I also do maintenance for the kids and wife's bikes. Today I replaced a cassette in my road bike - something that required special tools ...
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1answer
185 views

Cost of trickle down on components

I enjoy buying used gear and building up bikes, but often wonder why some used/older components are only a fraction cheaper on sites such as eBay. For example, Shimano Ultegra 6600 10 speed shifters ...
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1answer
349 views

Shimano 105 RD-5501 on a six speed freewheel?

I was doing a cleanup at the storage room and found a box of mint 105 parts (brakes, FD, RD, triple crankset and BB). Based on the newspaper inside the box, the parts were laying there for at least 10 ...
2
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1answer
140 views

Use disc fork on an Lynskey R260?

I got a great deal for a Lynskey R260, that is set for caliper brakes. I'm building my first bike from scratch and am thinking of using disc brakes on the front fork. Is there any reason why I wouldn'...
5
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2answers
2k views

Ideal distance between chainring and chain stay

I am building a single speed bicycle, and I have most of the drivetrain parts: Rear hub 18T rear cog (40-40.5mm ideal rear chainline -- wheel undished) 1/8" chain crankset with 40T chainring I used ...
0
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1answer
66 views

How to find a fitting drivetrain

I'm currently building up a new bike from a vintage Scott Windriver MTB frame. My plan is to install a Shimano Zee 10-Speed drivetrain because I don't really need more gears in my area, I want it to ...
1
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1answer
147 views

What tool do I need to press fit a “Spanish” bottom bracket?

I bought a BMX style bottom bracket called a "Spanish" bottom bracket for a dirt jumper. Instead of using a hammer and a block of wood, I would like to do it correctly with a press... ...
2
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1answer
231 views

What do these headset specs mean?

I'm building this frame from the ground up: https://www.deitycomponents.com/cryptkeeper_frame.html The specs for the headset say: IS 52/40 Lower Bearing (Tapered Steerer) IS 52/30 Lower Bearing (...
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1answer
271 views

Building a Dirt Jump Bike - Spanish Bottom Bracket?

I'm putting together a Deity Cryptkeeper and confused about which bottom bracket to buy... The specs say: spanish 73mm Bottom Bracket Does this mean 73mm wide and 37mm diameter bearing?
4
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1answer
495 views

Steps to remove Ultegra and install SRAM Force disc brakes with internally routed hose

I have a CAAD12 disc with Ultegra, but I prefer SRAM, so I have got some nice new Force levers & calipers that I need to fit. This is my first experience with disc brakes. The front setup isn't a ...
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1answer
65 views

Single Speed Newbie Build [closed]

So I just got Peugeot bike frame that I'd like to make into my regular commuter. I had a KHS triathalon single speed for a few years that a road day and night from city to city, putting miles on it. ...
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2answers
201 views

How much of a mark-up do you pay building your own?

So, I have read the pros and cons question, and the why it is more expensive question, but I didn't notice anything on how much more expensive it would be. So, if I want to buy a high-end bike a ...
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2answers
411 views

When is it worth rebuilding a frame?

I found a discarded 'mongoose alta' frame and an 'araya - japan' front wheel. It's missing the rear wheel and the seat (no seat post either) Looks like the gear change is still in very good shape... ...
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1answer
237 views

Why is my bike looking so light yet so cheap as I make a list of what I need to build it?

I've been searching around to get a rough price for a home-built carbon fibre bike. I'm almost sure I've left something out though as my bike looks like it will be weighing a mere 5.8kg for only €1230!...
3
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1answer
1k views

Installing downtube shifters with no clamp

I am trying to convert my Schwinn Mountain bike into a road bike. I bought a set of Shimano SL-SY20A 3 (2) x 7 Speed Down-Tube Shifters. they have a clamp attached but my downtube is very wide and the ...
3
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1answer
2k views

Cross top Levers as primary brake

Has anyone ever tried to use Cross Top levers as your only braking method (ie not just as an interrupter for the drop levers)? I'm guessing it wouldn't work as you need the cable to go straight ...
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2answers
2k views

How to lace a 36 hole 4x9 groupped spokes?

does anybody have any information on how to lace a 36 hole 4x9 grouped spokes? I am thinking to buy a set of rims of this make, but I am not sure how to lace it. Can I cross the spokes or do I have ...
4
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3answers
3k views

Alternatives to Long Drop Calipers

Anyone have a clue what type of brake I can fit to this front fork? The reach to a 700C wheel would need to be 80MM (do you even get calipers this long?) and the only brazing on the fork is this ...
1
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1answer
1k views

Remove a hub gear or buy new wheel?

I have recently come into possession of a Coventry Eagle that I want to turn into a single speed bike. The Coventry Eagle has a three speed internal Sturmey Archer hub gear, obviously on a single ...
3
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2answers
1k 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 ...
1
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2answers
3k views

Can I attach SRAM trigger shifters to a 31.8mm braze on adapter?

I noticed that Paul's Components make an adapter that enables SRAM shifters to be mounted to a road bar by exploiting the Matchmaker system. I live in England so anything from Paul's is très expensive,...
6
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3answers
21k views

Choosing a rear derailleur for 11-42t cassette on a SRAM 10-speed 1x system

I have an 11-42t 10 speed cassette and a 42t narrow wide chainring. I cannot work it out definitely whether a Sram long cage rear derailleur will work with it. I think that this one should work but ...
2
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1answer
3k views

Getting the right Bottom Bracket

I’ve recently got my hands on an old steel frame which I’ve decided to turn into a bit of a build project. I’ll be honest though, whilst I’ve ridden for many years, beyond basic maintenance my ...
4
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1answer
4k 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 ...
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1answer
1k views

Maximum carbon steer tube length? [duplicate]

When cutting a 1-1/8" to 1-1/2" carbon steer tube, what is the maximum length you can leave outside the head tube and the stem clamp? Is there a maximum? How would you determine what the maximum steer ...
3
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1answer
140 views

Sociable quadracycle build. Disc brake rotor size?

I'm building a quadricycle. This sociable is planned to be around 120 lbs / 54.5 kg. The only "Guide" to proper rotor size versus weight is one I found from Magura. Average pilot/rider weight I figure ...
1
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1answer
91 views

Replacing fork and hydraulic brakes

I had a 2012 29er Giant Talon that got a bit trashed a few years back, so I bought a new bike which was recently ripped off. As a result I am currently trying to get my Talon in working condition ...
4
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2answers
154 views

How should I gear a 12" wheel on an adult bike?

Background: A couple years back I built a chopper with a 26" front wheel and a 12" rear wheel. It was a lot of fun, but I had to pedal like mad to get anywhere. Unfortunately I could not find a rear ...
0
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1answer
250 views

Single speed dirt jump specific frame for general riding

I am in the market for a new bike and come from a background of mainly cross country (XC) / all mountain (AM) type riding but have ridden BMX also in the past. I'm not averse to standing up and only ...
2
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1answer
2k views

What fork size is 32mm (inside diameter on the frame) considered?

Good day, I'm new to the whole bike building process, but I've finally decided to make the step and build a semi-nice bike. I've bought a really nice aluminium frame 2nd hand, but its sizing has me ...
5
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2answers
624 views

Buy Time-Trial bIke or convert road bike

I have started doing triathlons but don't want to invest in a Time-Trial bike until later. What are the problems with converting a road bike to a Time-Trial bike?
3
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1answer
236 views

Should I upgrade/rebuild an old rusty bike or get a new one? [closed]

A couple days ago my friend gave me an old bike. Much of the bike is very rusty although the frame and handlebar does not have as much rust. I am not a bike expert and have been learning quite a bit ...
1
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3answers
293 views

Bike-in-a-Kit Concept

Has anyone in the group has tried building a "Bike-in-a-Kit"- a sort of DIY bicycle, which can be entirely assembled and disassembled by the user and can be conveniently carried in a bag ? I face such ...
1
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2answers
745 views

Is it possible to buy a frameset from Trek that isn't listed separately?

I am thinking of buying a Trek CrossRip or 720 touring bike, but I want it with Ultegra Di2 and the bikes are only listed on the Trek website with lower-end components. So I'd like to buy a frameset ...
7
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5answers
29k views

Building bike from scratch: why more expensive than pre-built?

I was going to ask about the pros and cons of building one's bike from scratch, but I came to the conclusion that I'm not going to do it (asking and building). Now my question is: why is it (usually, ...