Tags: D36.7_x_L55_Aluminium_Water_Cooling_for_540_Size_Motors 

Specifications:

Aluminum Water Cooling for 540 Size Motors
Inner Diameter: φ 36.7mm
Outer Diameter:φ40 mm
Length: 55mm
Weight:19.8g / 0.7oz

Includes/Requires:

Includes:
1 x water cooling