it matches standard Kato Unitrack curves and pairs naturally with Kato piers and viaduct components for realistic elevated running

Durable sintered metal construction

Built-in high-sensitivity antenna

(includes plastic endbells (2)

Size: 6-7/8" X 5-5/8" (174

Losi LOS262003 Hub Chain Sprocket, Clear: Promoto-MX Pliers it matches standard Kato UnitrackLosi LOS262003 Hub Chain Sprocket, Clear: Promoto MX The Losi LOS262003 is a clear hub chain sprocket built for the Promoto MX. Mounted to the rear hub, the sprocket engages the chain to drive the rear wheel. Replace a worn or damaged sprocket with this clear part to keep your Promoto MX's drivetrain engaging properly. Genuine Losi part, number LOS262003 Hub chain sprocket Clear finish Compatible with Promoto MX