R1 Concepts 2551-2394-00 Disc Brake Pad Set - Rear

Rear Ceramic Brake Pads for EV Applications

R1 Concepts R1 Optimum Oe Pads part number 2551-2394-00 is a rear disc brake pad set built with ceramic friction material and integrally molded attachment. It is sized for consistent rear braking performance on select Genesis, Hyundai, and Kia EV and electrified models, including the Genesis GV70, Hyundai Ioniq 5, and Kia EV6.

The R1 Optimum OE Pads line focuses on OE-style replacement fitment and material selection for everyday driving. This rear pad set uses a 4-pad configuration with matched inner and outer pad dimensions for the listed applications.

Key Features

• Ceramic friction material for rear disc brake applications
• Integrally molded pad attachment
• 4-pad set for one rear axle service
• Outer and inner pad height: 51.5 mm
• Outer and inner pad width: 123.5 mm
• Outer and inner pad overall thickness: 14.9 mm
• Part number 2551-2394-00 for catalog matching

Detailed Product Information

R1 Concepts 2551-2394-00 is a rear disc brake pad set for vehicles that use this specific OE-style pad shape. Compatible applications include Fits 2022-2026 Genesis GV70, rear; Fits 2026 Hyundai Ioniq 9, rear; Fits 2024-2026 Kia EV9, rear; Fits 2023-2025 Genesis Electrified GV70, rear; Fits 2021-2025 Genesis G80, rear; Fits 2023-2025 Genesis G90, rear; Fits 2023-2025 Genesis GV60, rear; Fits 2022-2025 Hyundai Ioniq 5, rear; Fits 2023-2025 Hyundai Ioniq 6, rear; and Fits 2022-2025 Kia EV6, rear. The part number 2551-2394-00 is also useful when verifying the correct rear pad set for these platforms.

This product line is positioned as an OE replacement option for drivers who want a direct-fit rear brake pad set with ceramic friction material and consistent pad geometry. It is a practical choice for EV and electrified vehicles where rear brake service requires the correct pad profile and thickness.

What It Helps Address

• Rear brake pad wear on Genesis GV70, G80, G90, and GV60 models
• Rear brake service needs on Hyundai Ioniq 5, Ioniq 6, and Ioniq 9
• Rear pad replacement for Kia EV6 and EV9 applications
• Noise or uneven braking caused by worn rear pads
• Loss of braking consistency from pads at or near service limit

Installation Notes and Tips

Verify rear pad shape, dimensions, and vehicle application before installation. This set is for rear disc brake use only and should be matched to the listed model year and position. Inspect rotors, caliper condition, and pad hardware interfaces during service, and confirm the pad thickness and dimensions align with the original equipment specification for the vehicle.

Quality Assurance

R1 Concepts R1 Optimum Oe Pads are built as an OE-style replacement brake pad set for the listed rear applications. The ceramic friction material and integrally molded construction support consistent fitment and serviceability across the confirmed Genesis, Hyundai, and Kia platforms. Part number 2551-2394-00 should be used to confirm the correct rear pad set during ordering and installation.