This is a carbon fiber bumper support for the TT-02 touring car chassis. Using this piece will reduce chassis weight and boost its durability at the same. • 2mm thick Carbon Fiber Bumper Support x1 • Install in place of TT-02 B7 or TT-01 Type-E D4 parts for more secure attachment. • Compatible with TT-02 and TT-01 Type-E chassis cars (cannot be used on TT-02B).