Since this has come up a few times in the last few days, here is a link to the type of torx bit necessary to remove the security bit when the bike comes with the factory luggage installed:
http://www.homedepot.com/p/Husky-T50-Tamper-Proof-Torx-3-8-in-Drive-Bit-Socket-H3DTPTBST50/202913551
Please note this is not an endorsement, simply an example of the tool necessary for proper removal.
http://www.homedepot.com/p/Husky-T50-Tamper-Proof-Torx-3-8-in-Drive-Bit-Socket-H3DTPTBST50/202913551
Please note this is not an endorsement, simply an example of the tool necessary for proper removal.