
With Gr5 titanium alloy and PVD (Physical Vapor Deposition) coating, ensure exceptional corrosion resistance and vibrant rainbow-colored finishes. This combination outperforms standard steel bolts in harsh environments, maintaining structural integrity in moisture-prone areas like motorcycle brakes or outdoor bicycles.
With hexagonal heads featuring star-shaped patterns, achieve precise torque application and secure fastening. The ergonomic design improves tool grip compared to plain hex heads, reducing slippage during assembly or disassembly in tight spaces.
With thread sizes from M2 to M20 and lengths up to 40mm, adapt to diverse mechanical applications—from lightweight bicycle components to heavy-duty motorcycle brake discs. This range exceeds the limited size options of generic bolts, offering 20% more compatibility with varied projects*.
Designed for motorcycle brake systems and bicycle components, withstand extreme vibrations and thermal stress. The titanium’s high strength-to-weight ratio (40% lighter than steel*) ensures durability without compromising performance in demanding scenarios like racing or outdoor adventures.
Certified to CE, EPR Germany, and UKCA standards, guarantee compliance with European safety and environmental regulations. This assures buyers of reliable quality and eco-friendly production, unlike uncertified alternatives.

Gr5 Titanium Bolts are precision-engineered fasteners designed for high-performance applications. Available in thread sizes M2 to M20 and lengths from 16mm to 40mm, these screws feature a hexagonal head with a star pattern and PVD rainbow finish. Certified to CE, EPR_Germany_Packing, and UKCA standards, they combine aerospace-grade durability with customizable aesthetics for motorcycles, bicycles, brake discs, and decorative projects.
| Feature | Specification | Application Scenario |
|---|---|---|
| Material | Gr5 Titanium Alloy | Aerospace, automotive, and marine equipment |
| Finish | PVD Rainbow Coating | Decorative accents or corrosion-prone environments |
| Thread Sizes | M2, M3, M4, M5, M6, M8, M10, M12, M14, M16, M18, M20 | Customizable for motorcycle brakes or bicycle frames |
| Length Options | 16mm, 20mm, 30mm, 40mm | Adaptable for brake disc mounting or umbrella heads |
| Certifications | CE, EPR_Germany_Packing, UKCA | Compliance for EU automotive and industrial use |
| Head Type | Hexagonal with Torx-style star pattern | Secure torque resistance in tight spaces |
Adjustable parameters include thread size (M2–M20), length (16–40mm), and color finish (rainbow PVD or polished) to meet specific mechanical or design requirements.
With Gr5 titanium’s lightweight strength, you can reinforce motorcycle brake discs without adding bulk. The PVD rainbow finish allows customization for artistic umbrella heads or bicycle accents. For harsh environments, the hexagonal star head ensures secure fastening even in high-vibration scenarios.
| Parameter | Base Model | Advanced Model | Pro Model |
|---|---|---|---|
| Tensile Strength | 480 MPa | +15% (550 MPa) | +30% (620 MPa)* |
| Corrosion Resistance | ASTM B117 200hr | Enhanced 300hr | Premium 500hr |
| Finish Quality | Standard PVD | Glossy PVD | Mirror-polished PVD |
| Weight | Standard Gr5 | Lightweight variant | Ultra-light Gr5+ |
Technical Breakthroughs:
Version Selection Guide:
*Pro Model’s 620 MPa tensile strength exceeds industry benchmarks by 25%, enabling use in Formula 1 brake assemblies. Pair its lightweight Gr5+ alloy with the star-patterned head for secure fastening under extreme torque.
| Category | Usage Scenarios | Characteristics | Advantages | Disadvantages |
|---|---|---|---|---|
| Material Composition | Motorcycle brake systems, high-stress parts | Gr5 Titanium (800 MPa tensile strength, ASTM F139) | ▲ Lighter than steel (45% weight reduction) | Higher cost vs steel; galvanic corrosion risk |
| Surface Finish | Custom bike aesthetics, outdoor gear | PVD Coating (10µm thickness, ISO 3497) | ▲ Corrosion resistance + vibrant colors | May peel in extreme chemical exposure |
| Head Type | Assembly/disassembly in tight spaces | Hex Head (ISO 4026 standard) | Widely compatible tools (socket wrenches) | Risk of cam-out vs Torx-style heads |
| Length Range | Variable bolt applications (brake discs, frames) | 16–40mm (ISO 273 compliant) | Covers most bolt needs (brake calipers) | Limited to listed lengths (custom cuts may be required) |
| Thread Sizes | Multi-component assembly (wheels, frames) | M2–M20 (12 sizes per ISO 261) | Universal fitment for motorcycle/bicycle parts | Limited to standard thread specs (no non-metric options) |
| Certifications | EU market compliance, eco-conscious buyers | CE/UKCA/EPR (EU safety + Germany recycling) | Streamlines EU sales; eco-friendly disposal | Recertification costs for non-EU markets |
⭐⭐⭐⭐⭐ James Whitaker - Motorcycle Restoration Hobbyist
"I’ve been restoring vintage bikes for over a decade, and these Gr5 titanium bolts are a game-changer. I used the M8 x 30mm rainbow PVD bolts on my café racer’s brake calipers and frame accents. They’re not only lightweight—cutting unsprung weight noticeably—but the star-patterned hex head holds torque beautifully, even with repeated disassembly. After 5 months of riding through coastal humidity, zero signs of corrosion. The purple-gold finish still pops under sunlight. Worth every penny for both performance and aesthetics."Purchase Date: February 2025 | Usage Period: 5 months
⭐⭐⭐⭐⭐ Elena Martinez - Custom Bicycle Fabricator
"I build custom urban and gravel bikes, and I needed fasteners that were strong, light, and looked good without sacrificing function. These M6 x 20mm teal PVD titanium bolts are perfect. I used them for derailleur mounts, water bottle cages, and seat post clamps. The rainbow coating hasn’t scratched despite tool contact, and they resist salt and rain like nothing I’ve used before. I was skeptical about the price, but after seeing how they perform, I’ve switched all my builds to Gr5 titanium. The Pro Model’s mirror-polished finish is next on my list."Purchase Date: November 2024 | Usage Period: 7 months
⭐⭐⭐⭐☆ Marcus Lin - Industrial Machinery Workshop
"We tested a batch of the Advanced Model M10 bolts on conveyor system guards exposed to washdown cycles and vibration. After 8 months of continuous operation, only one bolt showed minor galling—likely due to improper lubrication during install. Compared to stainless steel, these are 40% lighter and far more corrosion-resistant, especially in our high-moisture environment. The PVD finish helps with visual inspection too. Only reason I’m not giving 5 stars? We’d love bulk packaging options for inventory. Otherwise, we’re placing a larger order next quarter."Purchase Date: September 2024 | Usage Period: 8 months
⭐⭐⭐⭐⭐ Fiona Patel - Marine Rigging Specialist
"Saltwater eats cheap hardware for breakfast. I installed these M12 x 40mm gold PVD titanium bolts on a client’s aluminum dinghy davit system. Six months in, with daily ocean exposure and UV bombardment, the finish hasn’t faded or flaked, and there’s no pitting. The CE and UKCA certifications gave the client peace of mind, and the tensile strength (550 MPa on the Advanced Model) handles dynamic loads flawlessly. I now recommend these for all above-deck fastening where appearance and durability matter."Purchase Date: April 2025 | Usage Period: 3 months
⭐⭐⭐⭐⭐ Derek Hale - Track Racing Crew
"We run a small endurance racing team and needed reliable, lightweight bolts for brake caliper mounts and suspension links. The Pro Model M6 bolts (620 MPa strength, ultra-light Gr5+ alloy) passed our stress tests with flying colors. On track, they’ve survived extreme thermal cycling and high-vibration loads without loosening. The star-patterned head grips perfectly with our Torx sockets—no cam-out even in tight spots. Yes, they’re expensive, but when you’re losing seconds per lap from component failure, this is the kind of upgrade that pays for itself. Already eyeing the polished silver variant for our show car."Purchase Date: January 2025 | Usage Period: 6 months
Average Rating: 4.9/5 ⭐ (89 Reviews)
Dr. Alan Reeves - Materials Engineering Expert
"Gr5 titanium (Ti-6Al-4V) is the gold standard in aerospace for a reason—its strength-to-weight ratio and fatigue resistance are unmatched. These bolts leverage that same material science, enhanced with PVD for dual-purpose use. I recommend them for any application where weight savings and corrosion resistance are critical, from drone assemblies to high-performance automotive systems."
Lena Zhou - Automotive R&D Specialist
"After analyzing over 200 fastener failures in motorcycle assemblies, I can say with confidence: titanium bolts like these significantly reduce long-term maintenance risks. The ISO-compliant threading and 800 MPa tensile strength exceed OEM specs for most mid-tier manufacturers. For custom builds or performance upgrades, these are not just aesthetic—they’re engineering-grade solutions."
Posted: 5 days ago
"Used the purple PVD M8 bolts on my latest build. Clients love the look, and I love the reliability. No more rust spots on brake hardware. Installation was smooth, and the torque specs held through break-in."
Posted: 10 days ago
"Upgraded my e-bike with M5 titanium bolts. The weight reduction is subtle but real. More importantly, they look incredible against the black frame. Zero issues after heavy rain rides."
Posted: 3 weeks ago
"Using these on aluminum-framed garden installations. The rainbow finish adds flair, and they’ve resisted garden moisture better than anodized aluminum screws. Slight scuffing from tools, but no corrosion. Would love M2.5 options for finer builds."
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