Motve MT4R high-performance four-pistons caliper system (Rear Wheel)

The Motve MT4R is a high-performance four-piston caliper system specifically designed for the rear wheels of vehicles, ensuring balanced and effective braking. Below is an extensive analysis of its technical specifications:

Technical Specifications:

• Piston Diameter: 4*φ27mm
  • Uniform piston size helps in distributing braking force evenly.
• Piston Area: 23cm²
• Brake Disc Diameter: φ330mm - φ345mm
  • Suitable for medium-sized brake discs, providing good stopping power.
• Brake Disc Thickness (Max/Min): 28mm/26mm
  • Adequate thickness ensures sufficient heat capacity and durability.
• Caliper Weight: 2.9kg
  • A lighter caliper, ensuring less un-sprung weight without compromising strength.
• Thread Specification of Fuel Inlet: M10*1
• Mounting Hole Center Distance: 152 mm
• Mounting Hole Offset: 46.9 mm
• Mounting Hole Diameter: φ10.1mm
• Distance from Mounting Surface to Brake Disc Top: 60.4 mm

Brake Pad Specifications:

• Brake Pad Model: MT4D48
• Brake Pad Thickness: 16.5mm
• Friction Surface Width: 48mm
• Friction Block Area: 53.4cm²
• Brake Pad Material: Low-Metallic (M-Series)
  • Offers a good balance between performance, noise reduction, and wear resistance.

Brake Disc Specifications:

• Brake Disc Model: MTP33028D51
• Brake Disc Diameter: φ330mm, φ345mm
• Brake Disc Thickness: 28mm
• Friction Surface Width: 51.5mm
• Brake Disc Ventilation: 48 Ventilation Holes in Forward Arch Ribs
  • Enhances cooling and reduces brake fade.
• Ventilation Core Process: Film-covered Sand
• Mounting Hole PCD: 12*204.5
• Mounting Hole Diameter: φ6.4mm
• Positioning Ring Diameter: φ190mm
• Petal Step: 0.2mm
• Brake Disc Marking Method: Arc, Line, Herringbone, Drilling, etc.
• Brake Disc Surface Treatment: Phosphating and Metachromatic Coating
• Brake Disc Material: G3500 High Carbon
• Heat Treatment: 580℃ Heat Treatment

Caliper Technical Inspection Specifications:

• Caliper Housing Forging Strength: Tensile Strength ob≥320MPa
• Housing Hardness: Hardness HV≥400
• Low-pressure Seal Test: Passed
• High-pressure Seal Test: Passed
• Appearance: Painted with no collision damage and consistent gloss.
• Ultra-high Pressure Test: Passed
• Inspection Standard: Meets QC/T592 requirements.

The Motve MT4R reflects meticulous engineering and high-quality materials, positioning itself as an outstanding option for automotive enthusiasts looking for advanced braking performance on the rear wheels. Its rigorous testing and adherence to stringent quality standards assure reliable and efficient braking under various conditions.