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Use a part family to find the right starting dimensions. Hub rings call for both mating diameters; a clip weight also calls for the flange profile.
Open catalogBuyer’s worksheet
Buying guide for hub-centric rings and wheel weights
Perfect Equipment is an independent procurement desk. Choose a product line or use the checklist below to prepare your inquiry.
Submit a sourcing brief
Have a drawing, OE reference or sample? Add buyer country, target market, quantity and destination port before comparing supplier quotes.
Start an RFQBuild the brief in three passes
1. Identify the fit
For a hub ring, record wheel center bore, hub pilot, depth and chamfer. A 66.6 mm OD × 57.1 mm ID ring is an example size pair. Confirm the dimensions on the actual wheel and hub. For a clip-on weight, match rim flange profile and material before choosing mass increments.
2. Compare like for like
Keep material, coating, drawing revision, unit price, pack quantity, MOQ, Incoterm and named place on one line per SKU. Catalog stock can simplify replenishment; a custom profile needs a supplier drawing, sample approval and separate terms.
3. Record the check
For a ring sample, agree the OD and ID measuring positions on the drawing, note ambient conditions and record repeated caliper readings in mm plus seating on the reference hub and wheel. Compare readings with the agreed tolerance and capture the part revision.
Questions buyers ask while measuring
Compare dimensional tolerances, chamfer, seating depth and supplier guidance on temperature and material compatibility. Check the actual wheel and hub during sample review. A material description cannot establish fit on its own.
Match clip-on weights to the flange profile and wheel material. For adhesive weights, confirm coating and backing, the preparation instructions and the surface available to place the strip. Check clearance and how the supplier proposes to verify attachment.
For wheels, collect rim diameter and width, PCD, offset (ET), center bore, load rating and finish. For tires, collect size, load index, speed rating, tread, service duty and port. A rolling resistance figure needs the method and operating assumptions before comparison with wear or grip claims.
Start with OE cross reference and VIN or vehicle. Add hub flange and mounting dimensions, ABS encoder type, sensor interface, bearing preload or service procedure, seal lip and included hardware. An integrated unit can reduce on-vehicle adjustment; a serviceable bearing can keep repairs modular when the vehicle supports it.
Ask who issued it, where the supplier operates, which SKU or model appears and which market the document addresses. An IATF or ISO system certificate describes a quality system. Product approvals or reports require separate review against the actual SKU.