ProTek R/C 5x11x4mm Rubber Sealed "Speed" Clutch Bearings (10)
[PTK-MR115-2RS]

ProTek R/C 5x11x4mm Rubber Sealed "Speed" Clutch Bearings (10)
Shannon Caldwell - Rating: 1 of 5 Stars! Verified Owner Monday, July 30, 2012
I don't like these bearings, yes they are inexpensive, but they last like it too. Taking the clutch apart multiple times during a race is not my idea of a bargain. Buy the good/expensive bearings and you'll be a much happier racer!