One 66T hardened-steel spur gear

this factory-correct pair installs just like the original it replaces

High-speed cooling-fan upgrade for the Castle Creations Mamba XLX ESC

Hobbywing AXE 540 FOC 1200KV Sensored Brushless Crawler Motor

RPM Oversized Axle Carriers are BEEFY with massive support ribs for the strongest possible carriers available

Atlas 168 Code 100 Super-Flex Nickel Silver 36" Train Track HO (10) HO Bulidings One 66T hardened-steel spur gearAtlas 168 Code 100 Super Flex Nickel Silver 36" Train Track HO (10) spanThis is a Box of 10 36" HO Nickel Silver Superflex Train Track Pieces from Atlas. It's for beginning or advanced train modelers. FEATURES: 100 36" pieces of HO flexible track. Track is so flexible it may be used as straight or curved, though it is straight while in its natural state. Nickel silver rails and black ties that resemble wood. Track pieces are sturdy, well crafted,