Cycling / Bicycle
🔩 Bicycle Suspension, Frame Hardware & Linkage
Large-diameter coil springs with variable rate winding, precision hollow axles with stepped bores, complex forged/machined linkage plates, small precision spacer sleeves
What is Bicycle Suspension, Frame Hardware & Linkage?
🔩 Bicycle Suspension, Frame Hardware & Linkage represents a complete system of precision titanium components engineered for Cycling / Bicycle applications. Large-diameter coil springs with variable rate winding, precision hollow axles with stepped bores, complex forged/machined linkage plates, small precision spacer sleeves The system integrates 11 distinct component types manufactured through 3 specialized processes.
Key manufacturing processes for this system include CNC turning Swiss-type for suspension hardware geometry, Thread rolling DIN 13-1 6g with Class 6g gauge, Vibratory deburring with Class 6g gauge, Go/No-Go ring gauging with Class 6g gauge, CNC turning Swiss-type for frame hardware geometry, each selected and qualified to meet component-specific requirements.
Engineering & Design Principles
Material: Grade 5 (Ti-6Al-4V) for axles, bolts, hangers, and bearing retainers. Beta-C titanium for rear shock coils — shear modulus ~42 GPa enables 40-50% weight saving vs steel with superior fatigue life. Gra
Form: Bar stock for pivot axles and linkage hardware. Beta-C wire for shock coil winding — cold coiled + vacuum aged. SLM 3D printing of flex-stay plates and hangers using Grade 23 ELI powder under argon (O
Standards & Material Specifications
Standards: ASTM B348 Grade 5 / Beta-C Ti wire, rolled threads, 100% dimensional + crack inspection
Engineering Solution Blueprint
Bicycle Drivetrain & Drivetrain Hardware
Cycling · Consumer
1 Part Feature Analysis
Precision-machined thin-profile toothed rings (cogs/chainrings), small-diameter pins/shafts, threaded fasteners with rolled threads, hollow spindles with bearing interfaces
- ⚠️ Rotational inertia reduction
- ⚠️ Wear resistance against chain rollers
- ⚠️ Sweat/rainwater corrosion
- ⚠️ Thread galling in aluminum frames
- ⚠️ Fatigue under sprint torque 1500W+
2 Material Selection Rationale
Grade 5 Ti-6Al-4V — General alpha-beta alloy, high strength
Grade 5 (Ti-6Al-4V) provides ideal wear resistance, fatigue strength, and 40% weight saving vs steel for drivetrain components. Grade 9 for fasteners requiring cold heading.
3 Form Selection Rationale
Round Bar / Rod — for turning, fasteners
CNC machining from plate/bar for cogs and chainrings. Swiss-type turning for pins and spindles. Rolled thread forming for bolts ensures continuous grain flow for fatigue safety.
4 Manufacturing Process & Services
Core Processes:
Toll Processing Services:
Process Pitfalls:
- ⚠️ Chainring tooth profile must match chain roller diameter to +-0.05mm for silent shifting
- ⚠️ BB spindle taper requires +-0.01mm concentricity for bearing preload accuracy
5 Procurement Specifications
ASTM B348 Grade 5 / Grade 9, solution+aged (STA), 100% dimensional + MPI inspected
Manufacturing Process Flow
Professional surface treatment process for for Oil & Gas titanium components. Beta-C wire cold coiling + shot peening + preset for shock springs is pe
Laser drilling of titanium uses pulsed laser energy to create precise holes through percussion or trepanning methods. Hole diameters range from 0.05 m
Selective Laser Melting (SLM/DMLS) builds titanium components layer-by-layer from metal powder using a fiber laser. Internal lattice structures, confo
Components in This System
| Component | Material |
|---|---|
| Titanium Bell Crank Rocker Arm | Grade 5 Ti-6Al-4V |
| Titanium Bottom Bracket Shell | Grade 5 Ti-6Al-4V |
| Titanium Derailleur Hanger | Grade 5 Ti-6Al-4V |
| Titanium Fork Air Chamber Top Cap | Grade 5 Ti-6Al-4V |
| Titanium Frame Flip Chip | Grade 5 Ti-6Al-4V |
| Titanium Linkage Pivot Bolt | Grade 5 Ti-6Al-4V |
Frequently Asked Questions
What titanium grades are used in Bicycle Suspension, Frame Hardware & Linkage systems?
What manufacturing processes are used for Bicycle Suspension, Frame Hardware & Linkage?
What quality standards apply to Bicycle Suspension, Frame Hardware & Linkage components?
What industries use Bicycle Suspension, Frame Hardware & Linkage?
Can you provide DFM feedback for Bicycle Suspension, Frame Hardware & Linkage designs?
Engineering Trends
- ▸ Process: CNC gun drilling + centerless grinding of pivot axles
- ▸ Process: Beta-C wire cold coiling + shot peening + preset for shock springs
- ▸ Process: SLM 3D printing of flex-stay plates with argon shielding
Related Manufacturing Capabilities
These specialized processes support Bicycle Suspension, Frame Hardware & Linkage component manufacturing.
One Metal. One Focus. Infinite Precision.
Founded in 2011 in Baoji's Titanium Valley, BOZE Metal is dedicated exclusively to titanium — from raw material to precision engineering. AS9100D, ISO 13485 & ISO 9001 certified with 500+ clients across Aerospace, Medical & Motorsport industries, we deliver end-to-end precision titanium CNC machining with full material traceability from source to component.
Boze CNC Ti is the dedicated titanium manufacturing center of Baoji Boze Metal Products Co., Ltd.