Quality Control
Quality requirements are reviewed against buyer drawings, samples, application needs and confirmed inspection criteria.
Inspection Points
Incoming Check
Incoming material or specification checks are reviewed according to the confirmed product and project requirements.
Dimensional Inspection
Critical dimensions and fit points can be checked against drawings, samples or buyer-defined tolerances.
Hardness Check
For all QUNKE bicycle brake rotors, the confirmed hardness standard is HRC 39 ±3 (HRC 36–42).
Appearance Inspection
Surface condition, finish, marking and visible defects can be reviewed against the approved requirement.
Fit / Function Inspection
Fit, assembly, rotation or other functional checks can be included where relevant to the product.
Packaging & Pre-Shipment
Packaging, labeling, quantity and buyer-specific pre-shipment checkpoints can be reviewed before shipment.
Quality Inspection Evidence
Hardness Inspection
All QUNKE bicycle brake rotors follow the confirmed hardness standard HRC 39 ±3 (HRC 36–42).
Brake Rotor Runout Inspection
All QUNKE bicycle brake rotors follow the confirmed runout tolerance of ±0.1 mm.
Packaging Inspection
Packaging and labeling requirements can be checked against the confirmed buyer specification before shipment.
What Buyers Can Provide
- Drawings, samples and target tolerances
- Critical-to-quality dimensions or functional points
- Appearance, finish or marking criteria
- Packaging and labeling requirements
- Buyer-specific inspection checklist or requested photo evidence
Quality Review by Product Type
For bicycle brake rotors, inspection discussions can include dimensions, appearance, mounting fit and runout where specified. For bicycle pedals, buyers can define dimensions, fit, finish, branding and packaging checkpoints. For rear derailleur jockey wheels, compatibility dimensions, cage fit, rotation, appearance and packaging can be reviewed according to the confirmed project.
Custom projects can be linked to the OEM / ODM workflow and sample evaluation process before bulk-order discussion.
Product-Specific Inspection Matrix
| Product | Typical Confirmed Checkpoints | Buyer Inputs That Help |
|---|---|---|
| Bicycle Brake Rotors | Dimensions, mounting pattern, thickness, appearance, fit, runout tolerance ±0.1 mm, and hardness HRC 39 ±3 (HRC 36–42) | SKU/drawing, diameter, thickness, 6-bolt or Center Lock interface, packaging and any buyer-specific inspection requirements |
| PP-001 Bicycle Pedal | Platform dimensions, axle/thread, bearing configuration, finish, fit, branding and packaging checkpoints | PP-001 or custom reference, thread requirement, finish/branding, quantity and packaging requirements |
| Oversized Pulley Cage Systems | Derailleur-family compatibility, pulley combination, cage fit, rotation, appearance and packaging | Rear-derailleur family/model, required pulley combination, color, quantity and packaging requirements |
The applicable inspection plan is confirmed from the specific product, drawing, sample and buyer-defined requirements rather than applying one blanket checklist to every order.
Pre-Shipment Review
Pre-shipment review can include the approved drawing or sample, critical dimensions, appearance criteria, fit or rotation checks where applicable, labeling, packaging, quantity and buyer-specific checkpoints.
Frequently Asked Questions
What quality checks can be arranged?
Checks can be reviewed around dimensions, appearance, fit, assembly, function, hardness where applicable, packaging and buyer-specific criteria.
Can buyers provide their own inspection checklist?
Yes. Send the checklist during RFQ or project review so the applicable inspection points can be discussed before production.
Can inspection photos be discussed?
Available inspection photos and project-relevant records can be reviewed according to the specific product and project stage.
Related pages: Factory Capability, OEM / ODM, Products, B2B Sourcing Guides, Contact / RFQ.