No contact rubber seals keep the contamination out and the super slick grease in. This offers the outstanding durability that off road demands.
This is truly a WINNING combination. The high-performance and durability of ceramic balls, and the no maintenance durability of rubber seals will keep you going smoother and faster than any other bearing on the market.
(15) 5x11x4 Ceramic
(4) 5x8x2.5 Ceramic
You are purchasing the bearing listed above.
In many cases the bearing sizes may change depending on your particular model and the date that it was manufactured as well as different hop ups you may have installed. PLEASE DOUBLE CHECK you R/C before ordering to make sure you get all the proper bearings.