
Steel Lined Through-Type Routing Component
Aluminum bicycle Steel Lined Through-Type Routing Component - Frame Inserts
Aluminum Steel Lined Through-Type Routing Component. Built for OEM bicycle assembly with traceable material and consistent quality.
01 Dimensions & Tolerances
Core dimensions are controlled for repeatable bicycle frame assembly. Custom dimensions, tolerances, and surface finish can be supplied from drawing.
| Parameter | Specification |
|---|---|
| Thread Size | - (unthreaded) |
| Thread Accuracy | none |
| Thread Direction | none |
| Overall Height | 25 mm |
| Suitable Hole Diameter | 12.2 mm |
| Suitable Tube Wall Thickness | none |
| Tolerance Grade | ±0.05 mm |
02 Material & Performance
Material selection is optimized for the target bicycle application with verified mechanical properties and corrosion resistance.
| Parameter | Specification |
|---|---|
| Primary Material | project-specific6061-T6 / project-specific carbon steel |
| Material Grade / Class | - (composite structure with no unified grade) |
| Applicable Standards | ASTM B221 (aluminum)/ AISI 52100 (steel) |
| Tensile Strength | 310 MPa |
| Yield Strength | 276 MPa |
| Shear Strength | 190 MPa |
| Hardness | project-specific HB 95-110 / project-specific HRC 58-62 |
| Density | 3.5 g/cm³ |
| Process | cold heading+steel project-specific |
| Surface Finish | Clear anodizing / polished steel liner |
03 Application & Compatibility
Designed for bicycle OEMs, assembly factories, and component brands that need repeatable supply with documented QC.
| Parameter | Specification |
|---|---|
| Frame Type | project-specific fully internal-routing frame |
| Typical Position | bottom bracket shell, head tube project-specific |
| Accessory / Mating Part | brake hose and shift housing project-specific |
| Environment | indoor and outdoor use |
| Compatible Standards | ASTM B221 / AISI 52100 |
| Load Rating | drawing-specific requirement |
| Recommended Torque | none |
| Maximum Torque | none |
| Installation Method | press-fit type |
| Recommended Tool | press tool |
| Installation Position | bottom bracket shell, head tube project-specific |
Installation Steps
04 Quality Assurance
Each production batch can be supplied with traceability records, inspection data, and packaging labels for OEM receiving control. SGS/TUV third-party test reports available on request.
| Test / Inspection | Standard & Criteria |
|---|---|
| Salt Spray Test | 336 hours for the outer aluminum layer + 24 hours for the inner steel layer |
| Torque Verification | none |
| Hardness Testing | ASTM E10 (aluminumHB)+ ASTM E18 (steelHRC) |
| Thread Inspection | - (unthreaded) |
| Dimensional Inspection | 100% inspection |
05 Packaging & Ordering
Standard bulk packaging is available for assembly lines. Custom labels, kitting, and retail packaging can be prepared for brand programs.
| Parameter | Specification |
|---|---|
| Standard Pack | 500 pcs/bag |
| Packaging Material | PE resealable bag + corrugated carton |
| Industry Batch Reference | 1,000 pcs/specification for standard parts / 500 pcs/specification for other items |
| Batch Pricing Model | tiered volume pricing with no mandatory MOQ |
| Required Quote Data | Size, material, finish, quantity, drawing if custom |
Send your drawing, sample, or BOM and our team will confirm material, thread fit, finish, packaging, and lead time.
Technical Inquiry
Send drawings or STEP files. Engineering response within 24 hours.
Send DrawingRequest Quotation
Specify quantity, material, finish, and packaging. Quotes in 24 hours.
Get QuoteTrial Order
Start with a small batch to validate fit, finish, and assembly workflow.
Order Samples