This Tamiya factory replacement E Parts sub frame set is designed for the BT-01 chassis platform. The set includes the main sub frame assembly along with several mounting brackets and adapter plates, providing the structural components needed to support drivetrain and body mounting. These parts are direct replacements for worn or broken originals and are molded in black plastic to Tamiya factory specifications. Features: Includes main sub frame and multiple mounting bracket pieces Molded in black plastic Direct factory replacement for BT-01 chassis builds 7/7/26 cs