15x21x4 Stainless Rubber stainless steel All years and versions of

All years and versions of the Arrma Kraton 6s BLX & EXB

12- 12x18x4

YD2 E Advance Log design

2- 4x8x3 Stainless

Meets or exceeds Traxxas OEM standards

15x21x4 Stainless Rubber stainless steel All years and versions of15x21x4 Stainless Steel Rubber Seal Great for wet applications! 15mm Inside diameter 21mm Outside diameter 4mm wide mr6702 2rs 6702 2rs 15x21 Abec 3 Pre Greased 440 Stainless Steel balls retainers & races Rubber seals 440 Stainless Steel Stainless Steel bearings offer 75 85% of the strength as the Chrome Steel bearing, but will not corrode when used in wet applications. Stainless Steel also will run safely at a higher temperature than a chrome steel