This is a bearing kit by Avid RC for the Serpent Cobra 811 2.2, 2.1, 2.0, TE (Team Edition), and Sport vehicles. Serpent updated several features including new bearings (larger bearings in steering blocks and uprights 8X16X5 (2) and 15x21x4 (2) - new transmission using larger bearings 8x19x6 and 13x19x4 and new couplers for extra durability).
Cobra-B 811 TE (#600035)
Cobra 811 Buggy 2.0 (#600008)
Cobra 811 Buggy Sport (#600002)
Cobra 811 Buggy 2.1 (#600014)
Cobra 811 Buggy 2.2 (#600015)