THE NEW OS MAX B21 BREAK IN ON THE TRACK
6:54
OS B21 Nitro Engine First Run 💥💥
17:41
NEW BODY / OS SPEED B21 AD3 TEST&TUNE #osspeed #rccar #racing #offroad #rchobby #xrayxb8 #rcracing
36:10
【解説】エンジン慣らしについて O.S.SPEED B2105
5:10
TEKNO NB48 2.0 - OS MAX 21 XR-B
20:25
Serpent SRX8 GT Gimar\Novarossi ( Test,tune,Top Speed
35:43
Fly Indoors with the Glastonbury Modelers, February 2, 2025. What's in YOUR toolbox?
6:47
Motor einlaufen
4:05