Front Fork Post Mount Brake Axle (Short)
Alloy Steel bicycle Front Fork Post Mount Brake Axle (Short) - Axles & Pivots
Alloy Steel Front Fork Post Mount Brake Axle (Short). 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 | M10 × 1.0 |
| Thread Accuracy | 6H (ISO 965-2) |
| Thread Direction | Right-hand |
| Overall Height | 18 mm |
| Body Diameter | stepped shaft: M10 threaded end / 8 mm smooth shaft end |
| Body Length | 18 mm |
| Flange Diameter | none |
| Flange Thickness | none |
| Finish Tolerance | critical fit dimensions h7 (0/-0.018 mm) / non-fit dimensions +/-0.03 mm |
02 Material & Performance
Material selection is optimized for the target bicycle application with verified mechanical properties and corrosion resistance.
| Parameter | Specification |
|---|---|
| Primary Material | 42CrMo (AISI 4140) |
| Material Grade / Class | 10.9 (ISO 898-1) |
| Applicable Standards | ISO 898-1 / ASTM A29 / ASTM A788 |
| Tensile Strength | 1040 MPa |
| Yield Strength | 940 MPa |
| Shear Strength | 620 MPa |
| Hardness | HRC 32-39 |
| Density | 7.85 g/cm³ |
| Process | warm forging at 600-800 C on the shaft section + CNC finish turning + thread rolling + heat treatment + e-coating |
| Surface Finish | ED Black |
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 (XC/Trail/Enduro/DH), e-MTB |
| Typical Position | front fork disc brake mount |
| Accessory / Mating Part | flat-mount disc brake caliper (Shimano/SRAM/Maguraetc.) |
| Environment | indoor/outdoor use and extreme operating conditions |
| Compatible Standards | ISO 68-1 / ISO 965-2 / ISO 4210-10 / ASTM A788 |
| Load Rating | drawing-specific requirement |
| Recommended Torque | 9-11 N m, increased torque for forged parts |
| Maximum Torque | 12 N·m |
| Installation Method | thread-locking installation |
| Recommended Tool | 5 mm hex key and torque wrench |
| Thread Locker | Loctite 243 medium-strength blue threadlocker, with red pre-applied anti-loosening thread patch |
| Installation Position | front fork steerer and headset interfacebrakeB project-specific installation 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 | 240 hours ISO 9227 NSS, e-coating |
| Torque Verification | ISO 16047 |
| Hardness Testing | ASTM E18 Rockwell HRC |
| Thread Inspection | ISO 965-2 GO/NO-GO gauge inspection |
| 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.
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