MR686-2GS PS2 x 4 stk (6.00 x 13.00 x 5.00 METRIC)
MR688-2GS PS2 x 10 stk (8.00 x 16.00 x 5.00 METRIC)
MR106-2GS PS2 x 4 stk (6.00 x 10.00 x 3.00 METRIC)
MR6702 2GS PS2 x 4 stk (15.00 x 21.00 x 4.00 METRIC)
These are the BEST bearings to run in dusty, off-road conditions. One of my old home tracks was known for having really fine rock free dirt, I tried numerous companies bearings to no avail, I was lucky to get a weekend out of them. Then I found Boca green seals, first set I put two gallons on in my 1/8 nitro buggy in those very same conditions. For those of us balling/racing on a budget that’s a huge deal, try some and see for yourself.