Dynamite Friction 830-11021L Disc Brake Rotor - Front Left

Overview of Dynamite Friction DFC Geoperformance Rotor

The Dynamite Friction DFC Geoperformance Rotor - Drilled and Slotted (part number 830-11021L) is engineered for Land Rover Range Rover and Range Rover Sport models. This vented disc brake rotor combines durability and performance with a directional, slotted, and drilled surface design to enhance braking efficiency under demanding conditions.

• Compatible with Land Rover Range Rover and Range Rover Sport
• Directional, slotted and drilled vented rotor design
• Nominal thickness: 34 mm; discard thickness: 31 mm
• Overall height and rotor height: 62.1 mm
• Outside diameter: 380 mm
• 5 bolt holes with 15 mm diameter and 120 mm bolt circle diameter
• Geospec silver grey hat finish with rust-resistant coating
• Center hole diameter: 79 mm

Product Line Details: DFC Geoperformance Rotor - Drilled and Slotted

The DFC Geoperformance Rotor - Drilled and Slotted line by Dynamite Friction focuses on rotors designed to improve heat dissipation and reduce brake fade. The drilled and slotted surface pattern enhances water and debris evacuation, while the vented rotor construction supports consistent braking performance. This product line is tailored for vehicles requiring reliable stopping power and rotor longevity, such as the Land Rover Range Rover and Range Rover Sport.

Technical Description and Specifications

This disc brake rotor features a vented design that promotes airflow to reduce heat buildup during braking. The directional surface is both drilled and slotted, which helps maintain clean pad contact and improves braking response. The rotor has a nominal thickness of 34 mm and a discard thickness of 31 mm, ensuring a clear service life indicator. The rotor’s outside diameter measures 380 mm, with an overall height of 62.1 mm. The hat section is finished in Geospec silver grey and includes a rust-resistant coating to protect against corrosion. The rotor mounts with five 15 mm diameter bolt holes arranged on a 120 mm bolt circle diameter, compatible with the specified Land Rover models.

Applications and Problem Solving

• Restores braking performance on Land Rover Range Rover and Range Rover Sport vehicles
• Reduces brake fade during heavy or repeated braking
• Improves heat dissipation to extend rotor and pad life
• Minimizes water and debris buildup on the rotor surface
• Prevents rust and corrosion for longer service intervals

Installation Notes and Tips

Ensure the rotor is installed with the directional surface oriented correctly according to the vehicle’s rotation. Verify bolt hole alignment with the 5-lug pattern and 120 mm bolt circle diameter. Check rotor thickness before installation to confirm it meets or exceeds the discard thickness of 31 mm. Clean the rotor surface to remove any protective coatings or residues prior to mounting. Proper torque specifications should be followed for all fasteners.

Quality Assurance

Dynamite Friction manufactures the 830-11021L rotor to meet OEM standards for fitment and performance on Land Rover Range Rover and Range Rover Sport models. The rotor includes a rust-resistant coating to enhance durability. Warranty information is available through the manufacturer and should be consulted for coverage details.