[mohsen]

hi everyone

I am participating in a tournament, the tournament is about building a light, small car, and i have a special tires to use. i am going to use bmx wheels for them.
the problem is that i am not sure about the proper wheel diameter to choose,
this is the tire specification sheet:
http://s03.static-shell.com/content/dam/shell/static/ecomarathon/downloads/2012/americas/characteristics-conventionalprototypetires.pdf

i don't know whether i go for 16, 17 or 18 inche wheel. i hope you can help me

hoping to have an answer soon
Thanks

 

[Nick]

The spec sheet says those tires are 406mm, which about 16 inches.
So, you'll need to use a 16 inch rim.

The three options, 19c, 21c and 23c refer to the width of the tire, not the diameter.