1.High Performance,Long life 2,Competitive price 3,Quick delivery,good service 4,scooter bearings Feedback As a ... , ABEC-3, ABEC-5, ABEC-7 and ABEC-9. ABEC-5 is the most favorable due to the highest performance price ratio ... , with relatively low price and excellent quality.3,Shield / Seals There are 3 types of Seals ...