RIDERACE Bike Disc Brake Correction Wrench Mountain Bike Brake Rotor Alignment Truing Tool Cycling Adjustment MTB Repair Tool

The reviewer discusses a disc brake rotor alignment tool, though they do not specifically mention the RIDERACE brand. They explain that this tool helps straighten misaligned disc rotors which can occur from impacts. The tool has specific sizing for different disc brake rotor standards (Shimano/SRAM) and provides precise alignment compared to using an adjustable wrench. They demonstrate how it slides into the disc and pulls it back into alignment.