Arena BD7 spool drive cups & M4 serrated lock nuts

Arena have a new option part for the Yokomo BD7 touring car available in the form of front spool drive cups. The parts are made from spring steel and feature two sets of slots for a lower weight and increased life span. Also new are serrated M4 lock nuts in seven colours. The parts are ideally used as wheel nuts and they come in your choice of seven colours.

Source: RC Market [rcmarket.com.hk]