Gr5 Titanium
Rainbow Torx Pan Screws Gr5 Bike Rear Rotor M5*10
Engineered with calibrated Torx sockets to prevent head stripping during torque transfer under wet tropical conditions.
Direct Engineering Supply
Industrial-Grade Titanium Headset Spacers & Fasteners Engineered for Surabaya
Baoji Velnora Titanium Industry delivers Swiss CNC-machined titanium components directly to performance bicycle builders, custom frame workshops, and motorsport assemblers in Surabaya. Combining aerospace Ti-6Al-4V metallurgy with state-of-the-art wire EDM precision, our components eliminate saltwater galvanic seizure, optimize steering head stiffness, and shed critical front-end mass in Indonesia’s demanding tropical climate.
Precision CNC
Gr5 Titanium Flange Bolts M6x40 & M6x10 Torx Head
Cold-forged and CNC-finished flange profiles designed to distribute mechanical clamping load across stems and forks.
Custom Engraving
Custom Grade 5 Titanium Tag 1.5mm/2mm Plate
Sandblasted blank titanium badge plates ready for serial identification markings and branding for boutique frame builders.
Motorsport Spec
Titanium Motorcycle Gear Oil Filler Cap M20xP1.25/1.5
Machined with dual safety-wire drillings and Viton O-ring channels for racing engines and high-vibration builds.
EDC & Precision
Titanium Keyboard Caps CNC Machining & Wire EDM
Precision internal broaching with anti-corrosion PVD coating, showing micro-tolerance structural machining expertise.
Hard PVD Coated
Gr5 Titanium Motorcycle Banjo Bolts M10 Hex Head
Hydrodynamic cross-drilled fluid passages for consistent brake pressure transfer in extreme high-temperature track sessions.
Industrial Blank
Grade 5 Titanium Plate Tag Sandblasted Blank
Precision sheared and surface-conditioned titanium alloy plates designed for extreme durability in acidic coastal air.
EDC & Lifestyle
Custom Titanium Alloy Commemorative EDC Coins
High-relief 3D CNC engraving demonstrates our intricate multi-axis spindle capability on high-hardness alloys.
13+
Years Titanium Manufacturing
±0.005mm
CNC Concentricity Tolerance
895+ MPa
Tensile Yield Strength
4-Hour
Direct Machining Quotation
Localized Application Scenarios
Engineering Headset Spacers for Surabaya’s Microclimate & Cycling Infrastructure
Why conventional 6061-T6 aluminum and carbon fiber headset spacers fall short in East Java, and how Ti-6Al-4V provides permanent structural rigidity, sweat resistance, and steering precision.
Surabaya Coastal Galvanic Immunity
Surabaya’s coastal exposure along the Madura Strait brings high atmospheric salinity and humidity. Traditional aluminum spacers stacked on steel steerer tubes create an electrolytic reaction, resulting in white oxide expansion and seized cockpits. Our Grade 5 titanium headset spacers form an instant, passive TiO2 oxide barrier that stops galvanic bridging permanently.
Compression Rigidity on Cangar & Bromo Ascents
Enthusiasts tackling steep regional climbs like Mount Bromo and the Cangar Pass exert heavy cyclic steering torque. Under sustained stem-bolt clamping, carbon fiber headset spacers can slowly creep and deform, leading to loose headset bearing preloads. Our Ti-6Al-4V spacers feature a 110 GPa modulus of elasticity that holds bearing preload true over punishing descents.
Integrated Cable Routing (ICR) Machining
With high-end road and gravel bicycles standardizing internal cable cockpits, headset spacers must handle multi-radius internal cable paths without pinching brake hoses. We produce precision CNC slotted and interlocking spacers matching D-shaped steerer tubes, maintaining smooth bearing transitions with zero sharp edge wear.
Material Science
Technical Benchmark: Headset Spacer Material Behaviors
Comparing metallurgical and mechanical performance parameters for high-stress cockpit stacks.
| Mechanical / Chemical Metric | Velnora Gr5 Titanium (Ti-6Al-4V) | Standard 6061-T6 Aluminum | Toray T700 Carbon Fiber |
|---|---|---|---|
| Tensile Strength (Yield) | 895 – 950 MPa | 276 MPa | N/A (Shear Dependent) |
| Atmospheric Saltwater Pitting | Impervious (Zero Pitting Rate) | Moderate to High Pitting | Immune (Resin degrades under UV) |
| Compression Creep Under Preload | Zero Measurable Creep | Minimal | Measurable Long-Term Delamination/Creep |
| Machined Concentricity Tolerance | ±0.005 mm (Precision CNC Lathe) | ±0.05 mm (Extruded & Sliced) | ±0.15 mm (Molded Finish) |
| Galling & Seizure Tendency | Zero with Ti Anti-Seize Paste | Galvanic Oxidation Risk | Friction Slip Requires Compound |
Surabaya Market Intelligence
Emerging Supply Trends in the East Java Performance Cycling Sector
In-depth market research into what performance brands, custom workshops, and distributors are specifying across Surabaya.
The Rise of Bespoke Gravel & All-Road Builds
Riders across West Surabaya (Graha Famili, CitraLand) and mountain routes to Trawas are investing in custom titanium and custom stainless-steel frames. These riders seek clean cockpits without raw aluminum seams. Demand for anodized and PVD gold, oil-slick, and sandblasted titanium spacers has risen by 42% over the last 18 months.
Direct Factory Sourcing vs. Trading Houses
Bike workshops and parts distributors in Surabaya are shifting away from generic distributors toward direct relationships with Baoji manufacturing plants. Direct sourcing enables custom laser branding on spacer walls, bespoke outer-diameter contours matching specific stem collars, and guaranteed material mill test certificates (MTC).
Lightweighting without Carbon Cracking Risks
In tropical temperatures above 34°C with high humidity, carbon steerer setups can experience resin degradation if clamped improperly. Tuners are using ultralight, hollowed-out internal-groove Grade 5 titanium spacers. They achieve carbon-competitive weights while retaining metal's fail-safe yield properties.
Manufacturing Authority
Baoji Velnora Titanium Industry: Factory-Direct Precision Engineering
Headquartered in China’s Titanium Valley, we pair raw titanium smelting access with precision multi-axis machining.
Baoji Supply Line Superiority
Established in 2013 in Baoji, Shaanxi, we source high-grade titanium sponge directly. Every billet of Ti-6Al-4V Grade 5 (TC4) undergoes ultrasonic flaw detection and spectrometer alloy verification before CNC chucking, ensuring no porosity or micro-fissures in finished spacers.
Live Transparent Production Feeds
We eliminate supply chain blind spots for Surabaya clients. Our team shares high-resolution CNC turning videos, wire EDM cross-section inspections, and optical comparator readings during machining, so you approve each lot before it departs our facility.
End-to-End Surface Customization
From physical vapor deposition (PVD) gold, burnt blue, and purple interference coatings to micro-bead blasting and high-contrast CNC laser branding, we offer complete aesthetic and functional finishing services to match your brand's specifications.
Procurement Knowledge Base
Frequently Asked Questions by Surabaya & Indonesian Importers
Practical engineering, import compliance, and logistics guidance for ordering custom titanium spacers and parts.
What standard steerer diameters and spacer heights are available?
We machine headset spacers for all industry-standard fork steerer tube dimensions, including standard 1-1/8 inch (28.6 mm), oversized 1-1/4 inch (31.8 mm Canyon/Giant OD2 standard), and 1.5 inch tapered systems. Heights range from 2 mm micro-adjusters to 3 mm, 5 mm, 10 mm, 15 mm, and 20 mm conical transition spacers. Custom outer-diameter profiles matching aerodynamic integrated stems can also be machined from STEP or IGES CAD files.
How do titanium headset spacers handle Surabaya's high humidity and saltwater exposure?
Grade 5 Ti-6Al-4V titanium creates an instant, continuous rutile (TiO2) oxide film upon air contact. Unlike aluminum, which pit-corrodes and flakes in coastal air like that along Tanjung Perak, titanium is immune to chloride ion attack and galvanic corrosion when in contact with carbon fiber, stainless steel, or aluminum components.
What are the minimum order quantities (MOQ) and lead times for Indonesian buyers?
For standard round Grade 5 titanium spacers, our minimum order quantity starts at just 50 pieces across mixed sizes (e.g., 5mm, 10mm, 20mm sets). For custom-profile internal cable routing (ICR) spacers requiring dedicated CNC tooling or custom laser engraving, the baseline MOQ is 100 to 200 pieces. Production lead time runs 10 to 18 business days, with air courier transit to Surabaya (Juanda International Airport - SUB) taking 4 to 6 business days via DHL, FedEx, or dedicated freight forwarders.
Can Velnora support import clearance into Surabaya (Port of Tanjung Perak or Juanda Airport)?
Yes. We regularly ship to Indonesian buyers under FOB, CIF, or DDP terms. We provide complete documentation including accurate HS Code classifications (typically 8714.99 for cycle components or 8108.90 for titanium articles), Commercial Invoices, Packing Lists, and Mill Test Certificates (EN 10204 3.1) to ensure smooth clearance through Indonesian customs (Bea Cukai).
How are anodized and PVD color finishes maintained without fading?
Our rainbow, blue, gold, and purple anodized finishes are created via voltage-controlled electrochemical oxidation—no organic dyes or paints that bleach under Indonesia's intense equatorial UV rays are used. For applications demanding high wear resistance against abrasive grit or cables, our Physical Vapor Deposition (PVD) titanium nitride coatings provide surface hardness exceeding 2000 HV.
Launch Your Titanium Precision Component Order
Whether you need a prototype run of custom headset spacers for a boutique frame launch in Surabaya or bulk procurement of DIN/ISO racing bolts, our senior machining engineers provide complete DFM reviews and detailed quotations within 4 hours.