Tamiya - JR Double Aluminum Rollers w/ Rubber Rings (13-12mm) Electric Accessories Wire Machined brass

Machined brass

Tooth face width: ~5mm

the rocket can reach cloud topping altitudes of 1000 feet

They allow the end user to find their perfect weight bias to aid Rock Crawling

By adding mounting points to the 2 diff cover holes this will help prevent snapping the 2 upper bulkhead screws off of the bulkhead

Tamiya - JR Double Aluminum Rollers w/ Rubber Rings (13-12mm) Electric Accessories Wire Machined brassWhen a Mini 4WD machine leans during a corner section, the upper 12mm roller makes contact with the course walls and helps to stabilize your machine's positioning and keeps you on track. This Double Aluminum Roller set features rubber rings on the 12mm rollers, which provide a braking effect to produce more stable cornering action.