B6.4, B6.3 C Block Brass Weight, Black 25gr
Stealthy black coated brass C block hanger for the B6.4 – B6.3 73mm arms.
Not for use with the B6.2 75mm arms.
The block weighs 24gr and helps increase rear traction by adding weight at a low point under the gearbox.
Laser etched for easy identification.