X4 CFF Carbon-Fiber Fusion Upper Arm - Soft - FL/RR Side Wing A special vented design also

A special vented design also guarantees lower temperatures and more consistent shoe engagement for a longer life of both bell and clutch shoes

Hong Nor Adjustable GT Clutch Set (X3GT-61)

High Power Solder Tabs

Size AA Dry Cell battery x 4 (6 V)

For: Servo Only

X4 CFF Carbon-Fiber Fusion Upper Arm - Soft - FL/RR Side Wing A special vented design alsoMachined and molded from thinner premium grade graphite and softer composite materials. The arm is super lightweight and very compact. Soft arm generates more mechanical grip on the car and improves side traction. Recommended for very low & low traction asphalt and carpet tracks. The softer arm is slightly more fragile. The unique CFF suspension soft arms are an elegant engineering achievement that look great and perform even better on the track.