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Aero 31-284240 31 Series 13x8 Wheel, Spun, 4 on 4-1/4 BP, 4 Inch BS

Specs
Material Type:
Steel
Finish:
Chrome
Wheel Backspace:
4"
Bolt Pattern:
4 on 4.25"
MFG. Part #:
31-284240
Beadlock:
No
Width:
8
Diameter:
13
Weight:
14
Aero 31-284240 31 Series 13x8 Wheel, Spun, 4 on 4-1/4 BP, 4 Inch BS

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Please note the following about this product:

  • Ground Shipping Only - Can't Ship Air.

Details

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Q & A (1)

What's in the Box

Info

Aero Race Wheels 31 Series steel wheels are designed for asphalt oval track use only. The CNC spun-formed 31 Series wheels have extremely low run-outs. They feature a 7-hole D-window center disc made of HSLA material with a new torque ring design.

  • Recommended use for asphalt only
  • Designed for vehicles up to 2500 lbs.
  • Must use 1" O.D. lug nuts with 45 degree taper
  • 31 Series DO NOT have safety bead humps

Learn more about determining the proper wheel offset, torque sequence, and bolt pattern for your application by reading our tech article, Racing Wheel Principles.

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Product Q&A

1 questions : 1 answers

1 answers

Should I be concerned about the lack of safety bead humps for my asphalt race car? Have always run Bassett wheels with the safety bead humps but am interested in these wheels. Just concerned about lack of safety bead humps as I do not fully understand there purpose and advantages if any.

Smoke1008
February 07, 2015

Should I be concerned about the lack of safety bead humps for my asphalt race car? Have always run Bassett wheels with the safety bead humps but am interested in these wheels. Just concerned about lack of safety bead humps as I do not fully understand there purpose and advantages if any.

Answers

February 10, 2015
EricM
If you want an Aero wheel of this size with the safety bead humps then part number 25830284240 is what you are after. The safety bead helps the tire stay on the bead when low air pressure is used. It is especially critical for dirt racing applications since track conditions can easily pull the tire off the bead without them. Some very rough asphalt tracks may make the safety bead necessary as well. That Aero wheel part number has a sharper edge on the safety bead than a Bassett wheel and will retain the tire even better.
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