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View Full Version : Wheel Offset / Tyre Size Calculator



Kid Karola
26th May 2009, 01:34 AM
Useful tool please pin for reference.

Compare rims sizes by changing diameter, width, offset.
Wheel Offset Calculator (http://www.1010tires.com/WheelOffsetCalculator.asp)

Compare tyres sizes with varied diameter, width. profile.
Tyre Size Calculator (http://www.1010tires.com/tiresizecalculator.asp)

Kid Karola
26th May 2009, 01:52 AM
Offset - Backspace reference chart.

https://www.rsracing.com/images/tech-wheeloffset.gif
rsracing wheel tech (https://www.rsracing.com/tech-wheel.html)

ae86
26th May 2009, 01:25 PM
extremely helpfull, i used this before i got my new wheels just to make sure i would have slightly more clearance on inside so doesnt rub against coilovers

as of the tyre size calculator never seen that before and it told me something new, i thought my newer wheels with 195/50/15 woulda given more of a higher reaction on speedo but says its .2 less? learn sumfin new each day

jet111
3rd June 2009, 08:23 PM
That offset calculator is a great piece of gear, extremely helpful.

dave2221
15th July 2009, 01:12 PM
anyone know the STANDARD 13" tire size

its 185 something.....

jet111
15th July 2009, 01:16 PM
Yeah it is 185.

dave2221
15th July 2009, 01:19 PM
NEED THE SIDE WALL HEIGHT.....

so 185 / SOMETHING/ R13

jet111
15th July 2009, 01:24 PM
Stock 13" tyre is: 185/70 R13

dave2221
15th July 2009, 01:26 PM
thanks

want to choose tire that puts speedo out minimal

KKUSTOM
1st August 2009, 07:58 PM
i have just been reading this a bit hope it helps

https://www.rsracing.com/tech-wheel.html

unsure if the link works but just put it into google