◇ Distribution ranges
Start with fitment groups and sellable pack sizes. Record which offsets are separate stock lines. Ask whether a minimum applies per wheel, finish, diameter or combined order.
APPLICATION NOTES
Alloy Wheel Fitment for Buying Teams SpokeBridge Sourcing
Build the purchasing brief around the vehicle, installer and delivery plan. The same nominal wheel size can produce very different requirements across a distributor stock order and a workshop fitting.
Four applications and their starting points
⊕ Specialist installation shops
Give the supplier the brake package and suspension configuration. A modified caliper, lowered suspension or spacer changes what needs checking beyond the nominal bolt pattern.
□ Import buying teams
Give a ZIP code and shipping window, and state whether the order can split. Ask how the wheels are protected inside the carton and how front and rear markings will remain distinct.
◎ Vehicle program buyers
Track a pilot wheel separately from the planned order. Ask which test scope applies to the final wheel geometry and who can approve a changed coating, fastener or drawing revision.
What to carry into the fitment review
| Record | Write in the brief | Confirm before purchase |
|---|---|---|
| Vehicle / axle | Exact vehicle, model year, trim and front or rear position. Note suspension and brake changes. | Approval should cover the current vehicle configuration and tire specification. |
| Mounting | Wheel diameter and rim width in inches, PCD as bolt count × millimeters, signed offset and center bore in millimeters, and the fastener seat. | Compare the drawings for bolt engagement, pilot fit and caliper clearance. Ask who validates a fitment exception. |
| Load and duty | Required load rating per wheel in lb or kg and the intended driving or service application. | Ask whether exact-part radial fatigue and other test evidence applies. Have the technical team resolve differences in tested size, fastener or configuration. |
| Release and delivery | Pieces or sets by axle, sample approval deadline, destination ZIP and unloading constraints. | Confirm carton marking, release split and the line that triggers production. |
A buyer managing an installation can check the supplier’s runout measurement at pilot inspection. A buyer setting up resale stock may give priority to drawing revision, carton labeling and replacement continuity. Confirm which acceptance record matters before choosing a supplier. Review the wheel inquiry families after the buyer has identified these records. If the part is unknown, document the vehicle before narrowing the construction.
Share one vehicle application
Include the axle positions and any clearances still awaiting a measurement. Use separate quantity lines for a staggered set.
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