Tamiya - JR Double Aluminum Rollers w/ Rubber Rings (13-12mm) Electric Accessories Wire They allow the end user

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

the rocket can reach cloud topping altitudes of 1000 feet

for sleek aerodynamic properties and a great look

Machined brass

Compatible with TA07 PRO chassis

Tamiya - JR Double Aluminum Rollers w/ Rubber Rings (13-12mm) Electric Accessories Wire They allow the end userWhen 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.