Crash Structure (Radiator) for the Losi Promoto Bike (Dyeable White) 72201 low profile servo Steel rotor sleeve holds up

Steel rotor sleeve holds up to the extreme demands of drag racing

It takes seconds to get used to this easy operation

Black 10-spoke one-piece wheels are paired with racing radial tires

waterproof 2

Ideal for Comp & Scale builds

Crash Structure (Radiator) for the Losi Promoto Bike (Dyeable White) 72201 low profile servo Steel rotor sleeve holds upThe RPM Crash Structure (Radiator) for the Losi Promoto is here to solve those pesky breakage issues. We strengthened the most common stock breakage point by adding mock louvers the full length of the "radiator". These louvers are actually strengthening ribs that look like angled fins used to deflect rocks from hitting the radiator on full sized dirt bikes. By adding that extra scale touch, we increased the strength of our version significantly. But