Main Jet Wheels (2) FT 84mm (3.3"). 

Double, sealed ball bearings. Hard tyre for high speed and high load operation.

Shaft included.  Available sizes 1/4" (ProLink struts), Threaded M6 (Xicoy Struts), 6mm and 5mm.

Include electric brakes (7,4V operation).

Direct connection to RB45/RS200/LG12/LG13 controllers for electric gears. Reccomended to use our brake controller on fixed landing gear systems: http://www.xicoy.com/catalog/product_info.php?products_id=293 

Weight: Wheel 115g, Brake 75g