12x21x5mm Ball Bearing - 12x21mm Bearing - 6801 Bearing by ACER Racing

Description

World Champion ACER Racing 12x21x5mm Ball Bearing.  This is a 12x21mm ball bearing also known as a 6801 Bearing. HCCA ultralite Balls, HSR cage technology and sealed on both sides.  Lubricated with 100% synthetic ACERGoo lube for super fast and super smooth action.