Treal Hobby (X002Q4JK2D) Silver Aluminum 12mm 6-Bolt Hex Hub with 6mm Offset 4 Pack Clear Body - 22T DCC sound-equipped ACS-64 includes a

DCC sound-equipped ACS-64 includes a TCS WOWSound®CD-Quality 16-bit 44

Inner back diameter: 45

Requires #8072 inner fenders

and at long last they are coming to the N Gauge Kato UNITRACK system

Treal Hobby (X002Q4JK2D) Silver Aluminum 12mm 6-Bolt Hex Hub with 6mm Offset 4 Pack Clear Body - 22T DCC sound-equipped ACS-64 includes aTreal Hobby (X002Q4JK2D) Silver Aluminum 12mm 6 Bolt Hex Hub with 6mm Offset 4 Pack Treal 12mm Hex Hubs Wheel Adaptor 6 Bolts Different Offset Aluminum 7075 for 1: 10 Crawler Silver Features: Material: Aluminum 7075 Dimension: Different thick (offset) of 6mm 9mm 12mm 15mm Screws: M2. 5*8mm Fit in: Treal 1. 9 beadlock wheels D type and 1. 9 standard wheels. 1: 10 RC trucks Package: Hex hubs 4pcs and hardwares.