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Fritz helmets
Requires #42058 to mount into an Enduro
Officially licensed and Scale - RACELINE Wheel Merchandise and protected design
50in / 38mm
B4-4 Model Rocket Engines (3pk) RTR Fritz helmetsThe Estes B4 4 is single stage engine designed for model rocket flight. This engine is a standard engine designed for flights in rockets weighing less than 3. 5 ounces, including the engine. Each package includes 3 engines, 4 starters, and 4 plugs.
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