Aluminum Sleeve with Steel Liner
Aluminum outer sleeve with steel liner for bicycle frame routing interfaces
Confirmed two-component construction: aluminum outer sleeve with steel liner. Material grades, dimensions, assembly process, finish, and validation follow the approved drawing.
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; interface drawing controlled |
| Thread Accuracy | Not applicable |
| Thread Direction | Not applicable |
| Overall Height | 25 mm |
| Suitable Hole Diameter | 12.2 mm |
| Suitable Tube Wall Thickness | none |
| Tolerance Grade | Feature-specific and drawing controlled |
02 Material & Performance
PS-E13 is confirmed as a two-component assembly with an aluminum outer sleeve and steel liner. Exact grades, component properties, finish, and validation remain drawing- and test-report controlled.
| Parameter | Specification |
|---|---|
| Primary Material | Aluminum outer sleeve with steel liner; grades per approved drawing |
| Material Grade / Class | Component-specific; no unified property class |
| Applicable Standards | Customer drawing and approved component material specifications |
| Tensile Strength | Component material certificate / test-report controlled |
| Yield Strength | Component material certificate / test-report controlled |
| Shear Strength | Assembly and test-plan specific |
| Hardness | Component-specific and test-report controlled |
| Density | Not applicable as one value for the two-component assembly |
| Process | Aluminum outer-sleeve manufacturing plus steel-liner assembly; route confirmed by drawing |
| Surface Finish | Natural or drawing-specified; partner-applied protection available when required |
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 | Frame interface and component material specifications defined by the project |
| 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
Inspection, testing, traceability, and packaging records follow the approved drawing, applicable component specification, customer requirement, and agreed control plan. Qualified partner testing can be coordinated when specified.
| Test / Inspection | Standard & Criteria |
|---|---|
| Salt Spray Test | Method, duration, component exposure, and acceptance follow the approved specification; ISO 9227 when specified |
| Torque Verification | none |
| Hardness Testing | Per approved material and component test plan |
| Thread Inspection | - (unthreaded) |
| Dimensional Inspection | Sampling or 100% CTQ inspection per drawing and customer control plan |
05 Packaging & Ordering
Single pieces, samples, and production quantities can be quoted. Packaging, labels, kitting, and documentation are confirmed for the order; unit price scales with quantity and process requirements.
| Parameter | Specification |
|---|---|
| Standard Pack | Any quantity accepted; packaging confirmed by quotation |
| Packaging Material | Bulk, kitting, labels, and customer packaging available by quotation |
| Industry Batch Reference | No mandatory MOQ; unit price scales with quantity and process |
| Batch Pricing Model | Quantity-based quotation; approved sample fees may be credited to a follow-on production order |
| Required Quote Data | Assembly drawing, component materials, quantity, finish, fit, testing, and packaging requirements |
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
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