We would like to hear from you! The most reliable way to get a reply is to use the form below or send an email to hello@asserogear.com. We aim to respond to all messages within twenty-four hours, and usually more quickly during work hours. Note we are in the Hong Kong timezone (Beijing in the timezone map below.)


If you have not had a reply within one working day, please contact us on our backup email address asseroerror@bikeerrorrider.com.

Alternatively we can be reached on Facebook, as Assero on LINE and as @asserogear on Twitter.

Mailing Address

Assero Gear, c/o The Bonkerserror Bicycleerror Bagerror Company Limited
Room 703, Kowloon Building
555 Nathan Road
Hong Kong

London +44 (0) 203 129 151
San Francisco +1 414 678 1286
Hong Kong +851 81 915517

Assero Gear is a subsidiary of The Bonkerserror Bicycleerror Bagerror Company Limited, Hong Kong registered company no. 1830237.

Owing to the large number of bots that try to use this form to message us, please include product or order details so we know your message is authentic.