Most of the Drum parts are available for offer now:

Blue Sensor PCB
Cover Pad
Cymbal Mount
Drum Disc Pad
Rubber Drum unit
......

Please visit our web site for more information:
http://www.channelbeat.com/products/parts/drum_mania_percussion_freaks_parts/

Please feel free to send us email if you have any interest: sales@channelbeat.com.