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Bicycle Design Software

Head tube length

poe82
Framebuilder
Manchester, United Kingdom
By poe82 | 3:42 AM EDT, Mon August 20, 2018
BikeCAD Pro How To Forum

Hi,

I'm having reall trouble trying to set the length of my head tube. The way it is represented visually doesn't seem to add up with the actual dimensions i print out. Also something is wrong with the way i've input my forks and headset. What am i doing wrong? I have a 130mm ht. I dont understand what the 110mm value in BikeCAD Pro represnts.

Thanks for your help, i'm sure its something quite basic.

Phil

Brent
Profile picture for user Brent
www.bikecad.ca
Ottawa, ON Canada

Brent

7 years 9 months ago

Permalink

Head tube length

I think the main source of confusion is the display of the phase blocks in this view. For more on this, see: bikecad.ca/phase_blocks.

For more on controlling head tube length, see: bikecad.ca/toptube_frontcenter.

Also, while you can normally control the extension of the head tube above and below the top tube and down tube in two different ways as described at: bikecad.ca/tube_extension, because you've got a curved down tube, you will only be able to control extensions with respect to the intersections of the tube centerlines.

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poe82
Framebuilder
Manchester, United Kingdom

poe82

7 years 9 months ago

Permalink

In reply to Head tube length by Brent

head tube

Thanks Brent,

I thought i'd tried everything and still couldn't figure it out.

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