Note: It is recommended to apply a bead of CA “super glue” to the edge of the tower and wipe clean

5 inches long

Includes wheel

They are ready to place right out of the package

Arrma ARA310969 22T Mod1 Safe-D5 Pinion Gear Kraton 8S O Bulidings Note: It is recommended toArrma ARA310969 22T Mod1 Safe D5 Pinion Gear Kraton 8S OVERVIEW: This tough steel 22T Mod1 Safe D Pinion Gear is the perfect part to carry in your RC tool box. FEATURES: Strong and durable steel for long lasting performance in extreme RC conditions Precision manufactured wide tooth profile for smooth operation 'D' shaped hole to match motor shaft profile so drive and brakes are not lost if the set screw backs out Suits 5mm motor shaft diameter