The TKR5790 8x14x4mm Bearing Sleeve Set (6pcs) from Tekno RC is a precision-machined upgrade designed to protect your bearings and ensure smooth rotation in high-performance RC vehicles. Made from durable materials, these bearing sleeves reduce wear and friction on bearings, extending their lifespan and maintaining consistent drivetrain performance. The TKR5790 set is compatible with select Tekno RC vehicles, including the EB48 series, ET48 series, NB48 series, SCT410, and MT410 platforms. Ideal for maintenance, rebuilds, or performance tuning, these bearing sleeves help keep your RC car running efficiently and reliably. Always verify compatibility with your specific model before installation.