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Functional bikes. Not Porn not Anti
 
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Old 11th June 2013   #4101
doppelkorndonor
 
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Quote:
Originally Posted by 3speed_abbots View Post
Not gonna lie, no idea what TL:DR means, that article seems pretty good though. I'll UTFS for a frame design book, I love Jobst Brandt's 'Bicycle Wheel', I expect there's something from a similar angle. Cheers Ed
HA!
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Old 11th June 2013   #4103
spotterdonor
 
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I ran my bike like this all winter:





I had zero problems Ed.
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Old 11th June 2013   #4104
eonedonor
 
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Old 11th June 2013   #4105
sohi
 
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Old 11th June 2013   #4106
gridds
 
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Has it ever been pointed out that this thread has possibly the wrong title? Every bike has a function and hence, is functional.

Judging by the bikes posted in this thread it should be: Practical bikes. Not Porn not Anti. No?

Tell me if I'm talking bollocks.
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Old 11th June 2013   #4107
miro_odonor
 
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You're not wrong, it's just not interesting. :)


This thread is for interesting bikes that aren't shiny porn balls.
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Old 12th June 2013   #4108
withered preacherdonor
 
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Functional is a term that, in popular use, refers to what happens here.
And this is a pretty popular place.
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Old 12th June 2013   #4110
withered preacherdonor
 
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not this argument again







oh, and that's the first IF I've ever kind of liked
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Old 12th June 2013   #4111
Hulsroy
Quote:
Originally Posted by 3speed_abbots View Post
That diagram is brilliant! If the bottom left is a track frame, what are the other three? I really need a good book on frame design...
I had great joy in reading the Paterek manual. The old version is free online:

http://www.timpaterek.com/tpmanual_pdf.htm
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Old 12th June 2013   #4112
busseynova
 
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Quote:
Originally Posted by eone View Post
That's a beast. Any more info?
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Old 12th June 2013   #4113
edscobledonor
 
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Probably a Rawland.
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Old 12th June 2013   #4114
eonedonor
 
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It's made by Elephant Bikes flickr set.
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Old 12th June 2013   #4115
hugo7donor
 
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Quote:
Originally Posted by gridds View Post
Has it ever been pointed out that this thread has possibly the wrong title? Every bike has a function and hence, is functional.
You can also judge bikes on how well they perform that function. You can probably ride a steamroller with 32mm tyres round a track but its not the most functional choice.

But mainly this:

Quote:
Originally Posted by withered preacher View Post
Functional is a term that, in popular use, refers to what happens here.
And this is a pretty popular place.
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Old 13th June 2013   #4116
drøndonor
 
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My fbnpna was stolen!
http://www.lfgss.com/post3652822-10612.html
help me get it back please.
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Old 13th June 2013   #4117
edscobledonor
 
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Just forward this to a friend in Copenhagen, what district?
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Old 13th June 2013   #4118
drøndonor
 
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Østerbro
thanks a lot, Ed
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Old 22nd June 2013   #4119
hmadonor
 
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Old 22nd June 2013   #4120
Mentatsdonor
 
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^ No tks
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Old 23rd June 2013   #4121
Wen Jian
 
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Quote:
Originally Posted by Verbs & Nouns View Post
Nice bike, but that wall belongs in Anti.
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Old 2nd July 2013   #4122
hugo7donor
 
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http://i.imgur.com/o9r2n.jpg
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Old 2nd July 2013   #4123
t-4003
 
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I'd quite a life where I'd need that.
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Old 2nd July 2013   #4124
dakindonor
 
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Complete with a position for your big fuck off murder weapon bow and arrow..
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Old 2nd July 2013   #4125
spotterdonor
 
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Old 2nd July 2013   #4126
spotterdonor
 
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Old 3rd July 2013   #4127
ameydonor
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Old 3rd July 2013   #4128
ameydonor
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Old 3rd July 2013   #4129
Vesaliusdonor
 
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^Very nice, I'd run it with cleats if I owned it
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Old 8th July 2013   #4131
Aches and pains
Any one know what brake levers they are?
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Old 8th July 2013   #4132
lemonade
Old style Tektro (still available from Condor), with retroshift added?
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Old 8th July 2013   #4133
lemonade
In fact Retroshift seem to use those brake levers as standard for some of their models, so just standard Retroshift.
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Old 9th July 2013   #4134
doppelkorndonor
 
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Who was after a Lava Dome in here?

http://www.lfgss.com/thread109853.html#post3700827
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Old 9th July 2013   #4135
hugo7donor
 
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Me. Well lusting after one. Unfortunately it's way to big for me.

Lovely colours though.
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Old 9th July 2013   #4136
edscobledonor
 
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If I'm going touring again, it would be something like this but with a bikepack saddlebag.

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Old 9th July 2013   #4137
spotterdonor
 
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I swear you build a bike for touring ed.

But that bike is rad, it reminds me of what i'm aiming for with my Genesis
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Old 9th July 2013   #4138
edscobledonor
 
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Quote:
Originally Posted by spotter View Post
I swear you build a bike for touring ed.
I build an audax bike, rather than a tourer, a big difference.
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Old 9th July 2013   #4139
spotterdonor
 
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I know that, wasn't there another bike? I can't remember off hand
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Old 9th July 2013   #4140
edscobledonor
 
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There was, it was* a fixed wheel tourer.

*till the dent is sorted.

Unless you meant the Thorn I've sold.

Last edited by edscoble; 9th July 2013 at 16:42.
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Old 9th July 2013   #4141
eyebrowsdonor
 
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^^^^ is like the big brother of mine.
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Old 9th July 2013   #4142
ameydonor
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Old 10th July 2013   #4143
rogandonor
 
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Not knowing much about the geometrys, whats the differences mainly between your audax ed, that geekhouse tourer and say a geekhouse CX ?

they all look fairly similar to me!
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Old 10th July 2013   #4144
dakindonor
 
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^^ Lovely jubbly.
I really want a good solid touring bike...

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Old 10th July 2013   #4145
Stevesdonor
 
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Quote:
Originally Posted by dakin View Post
^^ Lovely jubbly.
I really want a good solid touring bike...

Like that rack....anyone know what it is?
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Old 10th July 2013   #4146
ameydonor
This
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Old 10th July 2013   #4147
Stevesdonor
 
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Thanks
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Old 10th July 2013   #4148
hugo7donor
 
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Quote:
Originally Posted by rogan View Post
Not knowing much about the geometrys, whats the differences mainly between your audax ed, that geekhouse tourer and say a geekhouse CX ?

they all look fairly similar to me!
It should come down to their intended uses I'd guess.

An audax is just a slightly more comfy and practical road bike. So they're usually a little more relaxed and have slightly longer chainstays to allow for 'gaurds.

A tourer needs to carry weight, so lower BB, longer wheelbase, more stable with weight stiffer/stronger tubing to reduce flex, etc.

A proper CX bike is just a road bike that's able to go off road (I think), ie still has aggressive geo but with mud and tyre clearance. (if you look at something like the PX road frames compared to the uncle john they've got similar angles. CX bikes seem to often have slightly lower TT's/head tubes especially in smaller sizes.... I'd guess to make getting on/off easier.

But a lot of these bikes seem to get a bit mixed up nowadays. The term "CX" often seems to mean drops and canti bosses.
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Old 10th July 2013   #4149
doppelkorndonor
 
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On the wikipedia page for CX bikes there's loads of interesting design features listed:

Quote:
Frame materials are selected with an aim to produce a lightweight, yet stiff and responsive frame. Lightness is prized for ease of carrying while running. A cyclo-cross racer may lift or carry his bike as many as 30 times in one 60 minute race, increasing the desire for a lightweight bicycle. Aluminum frames were popular in cyclo-cross bicycles long before they became commonplace on the road. Today the most popular material is aluminium with carbon fiber being popular at a professional level and steel and titanium being favorites amongst riders searching for a smoother ride and a longer lasting frame.

Cyclo-cross frames require clearance for slightly wider (generally 30–34 mm) tires and the debris and mud that is picked up by them. They are typically very simple, often eschewing bridges between the rear stays. Compact geometry frames with sloping top tubes are less common than on road bicycles due to the need to carry the bicycle easily on the shoulder. Top tube (rather than bottom bracket) routed derailleur cables help combat the build-up of mud. Some specialist cyclo-cross bikes also have a higher bottom bracket to aid clearance over rough ground; extra clearance could prevent toe clips from dragging while re-mounting after an obstacle. This is less common as clipless pedals have become the norm for cyclo-cross.

Typically, the frame geometry is a bit more relaxed than that of a road bike, not as upright in the seat tube, which allows for more shock absorption. Also, the wheelbase is a bit longer, which provides a more stable feel over rough terrain, and helps keep the rider's feet from contacting the front wheel during a tight turn....

There are slight geometry differences between road and cyclocross bicycles; cyclo-cross bikes tend to have slightly higher handlebars for a more upright position as aerodynamics have little importance in a cross race. A second set of brake levers on the tops, called top mount brake levers, are favored by some competitors. The top tubes of cyclocross bike frames typically have an ovalized or flattened bottom profile to provide greater comfort when riders need to shoulder and carry their bikes. In general, with a change of tires and gearing a cyclo-cross bike can double as a perfectly adequate road racing machine. However, most cyclo-cross racers prefer clipless mountain bike pedals for their easy dual-sided entry and mud-shedding abilities.
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Old 10th July 2013   #4150
rogandonor
 
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thanks!
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