Motorcycle Brake Rotor

Name: Motorcycle Brake Rotor for Speed, Control & Grip – Frigate
Price: 249.00 USD
Availability: InStock

Motorcycle Brake Rotor must withstand elevated temperatures from repeated high-energy braking without structural deformation. Use of tempered martensitic stainless steels and high-carbon alloy compositions allows thermal endurance beyond 600°C. Thermal expansion coefficients are controlled to reduce axial warping and maintain uniform disc thickness during rapid heat cycles.

Material Specification

420/440 Stainless Steel, 410S (Low-Carbon), or Floating Rotor Alloys (AlSiC)

Thickness Tolerance

±0.1 mm (Standard), ±0.05 mm (High-Performance)

Flatness/Parallelism

≤ 0.1 mm (Static), ≤ 0.2 mm (Under Load)

Runout (TIR)

≤ 0.15 mm (Radial), ≤ 0.1 mm (Axial)

Surface Finish

Ra 1.6–3.2 µm (Braked Surface), Ra 0.8–1.6 µm (Non-Contact Areas)

Product Description

Motorcycle Brake Rotor demands tight control on geometric tolerances to ensure consistent braking pressure. Manufacturing process includes dual-surface grinding and laser balancing to maintain axial runout below 0.03 mm and thickness variation under 0.02 mm. Resulting parallelism avoids uneven brake pad contact and prevents pulsation under load.

Hole Pattern/PCD Accuracy

±0.05 mm (Bolt Hole Circle), ±0.1° (Angular Position)

Mounting Bore Diameter

H7 Tolerance (+0.018/+0 mm for Ø20–30 mm)

Hardness

45–55 HRC (Stainless Steel), 80–90 HRB (Aluminum Carriers)

Dynamic Balance

≤ 2 g·cm (for 300+ mm Rotors), Tested at 1,500 RPM

Certification Standard

ISO 9001, ECE R90 (ECE Homologation), DOT FMVSS 135 (US), TÜV SÜD

Technical Advantages

Motorcycle Brake Rotor operating in high-humidity or coastal zones requires advanced corrosion mitigation. Surface finishing through fine shot peening and chemical passivation creates passive oxide barriers. Options for ferritic nitrocarburizing or physical vapor deposition (PVD) coatings extend resistance beyond 500 salt spray hours per ASTM B117.

Motorcycle Brake Rotor designed for performance vehicles must minimize unsprung weight without reducing torsional stiffness. Finite element topology optimization identifies low-stress regions for material removal. Final components offer stiffness-to-mass ratios exceeding 0.85 Nm/deg·kg while maintaining resistance to fatigue cracking under cyclic bending stress.

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Industry Applications

Sport Motorcycles

Used in high-speed braking systems requiring stable friction coefficients and minimal thermal distortion during aggressive deceleration cycles.

Off-Road Motorcycles

Deployed in variable terrain conditions demanding high mud-shedding capability and consistent rotor performance under abrasive environmental exposure.

Electric Motorcycles

Integrated with regenerative braking systems where rotor thermal mass must align with variable mechanical-to-electrical energy recovery cycles.

Adventure Touring Motorcycles

Applied in dual-surface operation requiring long-life corrosion resistance and stable friction response across wet and dry conditions.

Military Tactical Motorcycles

Used in lightweight platforms needing silent operation, quick dissipation of thermal energy, and non-glare surface coatings for tactical use.

Police Patrol Motorcycles

Required for high-frequency urban braking with tight tolerance control and reliable NVH characteristics under continuous stop-and-go duty cycles.

Friction Interface Compatibility

Motorcycle Brake Rotor interacts with multiple friction materials, requiring stable frictional coefficients across organic, sintered, and ceramic pad types. Surface topology and microhardness are controlled to maintain μ stability between 0.38–0.48 over thermal ranges of 80°C to 600°C. Abrasive compatibility testing ensures uniform wear profiles.

Motorcycle Brake Rotor design must address squeal and chatter from vibrational resonance during braking. Slot and hole patterning is modeled to break up harmonic amplification within 2–4 kHz. Modal analysis ensures peak vibrational modes do not coincide with caliper pressure application frequencies under dynamic load.

Having Doubts? Our FAQ

Check all our Frequently Asked Question

How does Frigate ensure uniform surface hardness in Motorcycle Brake Rotors?

Frigate uses controlled induction hardening followed by tempering to achieve consistent microstructure across the rotor surface. Each rotor undergoes Rockwell hardness testing to ensure values exceed 48 HRC with <2 HRC variation. Uniform hardness improves wear resistance and reduces uneven pad engagement. This process enhances braking reliability over long thermal cycles.

What manufacturing methods does Frigate use to control disc flatness in Motorcycle Brake Rotors?

Frigate applies precision double-disc grinding to maintain flatness within ±0.015 mm across the braking surface. CNC turning and stress-relief heat treatment prevent distortion after machining. Consistent flatness ensures optimal caliper contact and reduces thickness variation. This process is critical for eliminating brake pulsation under load.

How does Frigate validate the fatigue life of Motorcycle Brake Rotors under thermal cycling?

Frigate performs accelerated thermal cycling tests simulating real-world stop-and-go and high-speed braking conditions. Rotors are subjected to 70,000+ braking cycles at temperatures up to 600°C. Post-test microstructural analysis checks for fatigue cracks and grain boundary failures. This ensures long-term reliability in thermally demanding applications.

What quality control methods does Frigate follow for traceability in Motorcycle Brake Rotor production?

Frigate marks each Motorcycle Brake Rotor with laser-etched batch IDs linked to raw material and process data. Every rotor is traceable through its forging, heat treatment, and dimensional inspection records. This allows full compliance with ISO 4216 and customer-specific quality documentation. Such traceability supports failure analysis and process audits.

How does Frigate ensure consistent performance across different Motorcycle Brake Rotor pad pairings?

Frigate tests rotor surfaces against organic, sintered, and ceramic pad types to map friction stability. Coefficient of friction (μ) is validated between 0.38 and 0.48 across a 100°C–600°C range. Surface roughness and hardness are tuned for optimal pad conformity. This ensures predictable braking torque regardless of pad material selection.

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LOCATIONS

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10-A, First Floor, V.V Complex, Prakash Nagar, Thiruverumbur, Trichy-620013, Tamil Nadu, India.

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9/1, Poonthottam Nagar, Ramanandha Nagar, Saravanampatti, Coimbatore-641035, Tamil Nadu, India. ㅤ

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