Nickel silver rail and UniJoiners snap everything together — no nails or glue needed

Extend your modern double-track main line with these 186mm (7 5/16") concrete slab double track straight sections

Built to the same fit and finish as the original SW-0231MG housing

Genuine Kyosho part number MT108

RPM 73614 Hybrid Gearbox Housing/Rear Mounts Green

Robinson Racing 8623 X-Hard 23T Black Steel 32P Pinion 5mm Paint / Glue Nickel silver rail and UniJoinersRobinson Racing 8623 X Hard 23T Black Steel 32P Pinion 5mm This is the Extra Hard 22 Tooth 32 Pitch Blackened Finish Pinion Gear from Robinson Racing. FEATURES Extra hard high carbon construction For use with the Robinson Racing GEN3 steel slipper units Fits 5mm motor shaft INCLUDES 22 Tooth 32 Pitch Blackened Finish Pinion Gear 4mm Set Screw