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Bassett 39SP2 13X9 Inertia 4 on 4.25 2 Inch Backspace Black Wheel
Bassett 39SP2 13X9 Inertia 4 on 4.25 2 Inch Backspace Black Wheel

Bassett 39SP2 13X9 Inertia 4 on 4.25 2 Inch Backspace Black Wheel

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Bassett 39SP2 13X9 Inertia 4 on 4.25 2 Inch Backspace Black Wheel
Bassett 39SP2 13X9 Inertia 4 on 4.25 2 Inch Backspace Black Wheel
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We estimate this item will ship on or before April 12th.
Part # 27839SP2
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Important Messages:

  • This item ships directly from the manufacturer. It may take an additional 15 business days for Bassett to ship this item.
  • Get FREE shipping when your order includes this item and exceeds $99! Ground shipping only in the contiguous US.
  • This item ships via Ground Shipping only. Expedited and Air shipping options are not available.


Wheel Diameter:
13 Inch
Material Type:
Bolt Pattern:
4 on 4.25"
Wheel Backspace:


The 13" Bassett Inertia Advantage series wheels use the Inertia Advantage five-spoke center design and a high quality spun-form shell. The brake cooling holes feature almost 9 square inches more area, while the weight placement in the center helps the wheel rotate faster. Also, CNC spun form rim shell construction and strict quality control means runout is much lower than other 13" wheels on the market. Light weight and low runout (under .030") thanks to spun-form wheel shells produced in-houseReinforced torque ring and forged coining on center increases durability.The 5/8" valve stem hole is located behind the center to avoid clippingLarger brake cooling holes reduce brake temperature and prevent fading during long feature races PLEASE NOTE: Bassett Racing Wheels are lug-centric, which means the wheel is constructed and trued off of the bolt circle. The center hub bore hole can not be used to balance Bassett Racing Wheels. We recommend using an experienced tire mounter with a bolt pattern adapter plate that allows for balancing off of the bolt circle.Bassett Racing Wheels also require 45 degree chamfer lug nuts.


For offroad use only. The following must be considered when using Bassett wheels for on highway/street use when the wheel/tire assembly is being balanced. Bassett wheels are lug centric, which means they are built off of, and must be balanced using, the bolt circle and NOT the wheel center hole. Improper use of a tire balancer that centers the wheel on the hub bore, not the bolt circle, will result in an incorrect reading for rim runout as the center hole is not in the perfect center of the bolt pattern. The only machine capable of performing a lug centric balance is the Hunter GSP 9700 with the flange plate bolt circle adapter and no centering cone.

Some parts are not legal for use in California or other states with similar laws/regulations

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