... NameDescriptionUnit PriceFront drivemotorDiameter 108mm, 2 kg,fork 100mm, 36V 350W,with sensor, disc brake optionUS$72.00Spokesand rimdouble-wall aluminium rim ... ,26" with 13g spokesUS$15.00Controller9 MOSFETs,for both 36V/48V,350W ... holesoption disc tray US$9.00 36V 350W Brushless motor Electric bicycle hub motor Kit