
Gorilla Automotive
Wheel-End Procurement
Source hub centric rings, clip-on wheel weights and wheel hardware through an independent procurement desk. We coordinate supplier matching, compare quotes on the same specification and track what still needs verification.

Four starting points for your RFQ
Record the mating surfaces first
Write down OD × ID in millimeters
For an illustrative 66.6 × 57.1 mm ring, 66.6 mm refers to the wheel center bore and 57.1 mm to the vehicle hub pilot. Record pilot depth and both chamfers before ordering a sample. A ring can match both diameters and still prevent the wheel from seating if its shoulder is too tall.
| Outer diameter | Wheel center bore |
|---|---|
| Inner diameter | Vehicle hub pilot |
| Axial fit | Pilot depth, ring height and chamfers |
Choose the clip around the rim flange
Send a flange cross-section or a marked sample photo and state the weight increments you need. A motorcycle wheel weight with the same nominal mass as a car wheel weight can use a different clip. Compare alternatives for material, clip seating and the finish around the contact surface.
| Flange | Cross-section and rim material |
|---|---|
| Weight increments | Mass per piece and unit of sale |
| Clip | Retention shape and contact finish |
Specify the seat separately from the thread
List thread diameter and pitch, seat profile, finish and installation clearance. Ask for usable thread depth on closed-end nuts. A cone seat and a ball seat can share a thread yet contact the wheel in different places, so verify engagement and seat contact on the intended wheel.
| Thread | Diameter, pitch and engagement |
|---|---|
| Seat | Cone, ball or flat profile |
| Finish | Coating, tool clearance and target market |
Three decisions before release
Freeze the brief
Keep buyer dimensions, supplier assumptions and open questions in separate columns. Send suppliers the same drawing revision and SKU mix.
Compare like for like
Line up unit, packaging, MOQ, sample charges and named place under the quoted Incoterm. Record proposed substitutions before comparing unit prices.
Set release conditions
Agree the sample revision, inspection scope, carton marks and shipment documents. Assign an owner to each item that remains open.
Different channels, different checks
Evidence before commitment
Revision record
Link each offer to the drawing, material, finish and pack quantity quoted for that SKU.
Document scope
Record the issuer, legal entity, site address, dates and model coverage before relying on a document.
Reference sample
Keep the approved sample identifier next to the fitment notes and approved deviations.
Inspection brief
Define how the lot is identified, who measures it and which findings trigger review before shipment.
Label proof
Check the SKU, size notation and country-of-origin fields against the approved artwork and project requirements.
Packing reconciliation
Compare carton and SKU quantities with the final packing list and ask suppliers to resolve differences.
What to settle before asking for a price
Can I use the vehicle model alone?
A vehicle reference narrows the search. For an aftermarket wheel, confirm the actual bore, pilot length and mating geometry. Include the OE cross reference or drawing when a listing covers several revisions.
Can I mix ring sizes in one order?
Suppliers may price minimums by SKU, material or order. Ask for the minimum and pack multiple on each size line before comparing a mixed order with a single-size quote.
Aluminum versus polymer rings?
Compare the selected material against the application's heat and corrosion exposure and check removal after service. For either material, ask for dimensions and tolerances on the same revision before approving a sample.
Who handles testing and freight?
We coordinate requests and keep the documents together. The selected lab performs testing and the appointed carrier handles freight. Assign responsibility for any outstanding evidence before authorizing release.
Start with the drawing you have
Send a part number, your size list or a marked sample photo. Include quantity by SKU, target market and destination so supplier quotations can be compared.






