This is a set of four replacement 6x12mm sealed ball bearings from Losi. These are used as wheel bearings, as well as transmission bearings.
Compatibility
Axial RBX10 Ryft
Losi 8IGHT RTR
Losi 8IGHT-T RTR
Losi Comp Crawler
Losi LST XXL 2
Losi LST XXL2-E
Losi Lasernut U4
Losi Mega-Baja
Losi Night Crawler SE
Losi Nightcrawler 2.0
Losi TENACITY
Losi TENACITY T
Losi TENACITY TT Pro
Losi V100