This is Hot Racing universal clip on motor heat sink and fan for use on 540 and 550 size motors. Versatile two-piece heat sink clip provides 8 different width adjustments.

Feature:

    For: 540 / 550 Size Motors
    Material: Aluminum / Plastic
    Color: Blue / Black
    Keeps the motor running cooler
    Aluminum construction
    Clip on heat sink attaches to 540 and 550 size motors with a 36mm can diameter
    Two-piece heat sink clip provides 8 different width adjustment options (20-40mm). M3 screws and nuts will be required for some configurations.
    Blue anodized
    Laser etched Hot Racing insignia

Specification:

    Overall height: 39mm (1.54 inch)
    Fan size: 30x30x7.5mm (Wire Length 170mm)
    Fan mounting hole pattern: 24mm square
    Input voltage: DC 7.2-8.4V MAX

Include:

    Hot Racing Aluminum Clip-On Two-Piece Motor Heat Sink Set Blue w/ Fan (1 set)