On offer here is a Job lot of Align RC helicopter spares - Tail drive gear assembly & set of 3 pinions 
See photos for details.

The job lot includes :- 

Motor pinions - Packet of three, with grub screws - Size 9T, 10T & 11T - Model part number HZ020T

Taul Drive Gear Assembly - Model part number HS1013T-1

The starting price for this Align heli spares job lot is £5.95  (Not including any Buyer's Protection Fee automatically added by E-bay).

The cost of postage in UK / GSP-UK depot via 2nd Class Royal Mail is £2.94  (Simple Delivery)

Will combine P&P where possible for UK buyers - please await an invoice if you purchase more than one lot.