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Bicycle Design Software

toe clearance

ACLGS
Framebuilder
By ACLGS | 4:23 PM EST, Fri February 27, 2015
BikeCAD Feature Request

Hi

Would it be possible to add a way to calculate toe clearance as specified in EN and ISO standard.

4.13.2.2 Toe clearance

Bicycles shall have at least C clearance between the pedal and front tyre or mudguard (when turned to any position). The clearance shall be measured forward and parallel to the longitudinal axis of the bicycle from the centre of either pedal axle to the arc swept by the tyre or mudguard, whichever results in the least clearance (see Figure 5). The values are given in Table 11 (see attached image).

This would be a great help to determine minimal front center.

ACLGS
Framebuilder

ACLGS

11 years 1 month ago

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(No subject)

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

Brent

11 years 1 month ago

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Toe overlap

I trust you'll find the functionality described at: bikecad.ca/toe_overlap useful for this task.

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ACLGS
Framebuilder

ACLGS

11 years 1 month ago

Permalink

hi Brent,

hi Brent,

If you set the Shoe PT to 89mm you can check visualy for the gap , but is there any way to have the actual measurement from center of the pedal like specified by the ISO standard?

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

Brent

11 years 1 month ago

Permalink

Toe clearance dimension

I will look into adding this as a standard dimension in a future update of BikeCAD. In the meantime, you can add it yourself with a User dimension described at: bikecad.ca/user_dimensions.

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carlos.pedro
Profile picture for user carlos.pedro
Sant’Ana Adventure Bicycles
Aveiro, Portugal

carlos.pedro

9 years 9 months ago

Permalink

+1. It is the same thing I

+1. It is the same thing I asked this week...

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