Keep in Touch...




Johnson Engineering
100 Blake Road
Denver, IA 50622
(319)984-9299 fax

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We'd sure like to hear from you. Let us know how we're doing, your ideas are for better performing drivetrains, how the TwistGear experience has changed your riding experience.

ATTENTION: Please note: The only unsolicited e-mail from "info, sales, or tech @" you'll receive is an acknowledgement of your e-mail inquery to any of the addresses below. The only attachments Johnson Engineering sends are PDFs, GIFs, or JPEGs that may be sent in response to specific requests for information. If you receive any unsolicited attachment that purports to be from the address "" delete it from your inbox.

Dealers: Download our dealer application and fax it back.

main gear





100 Blake Rd.
Denver, IA





SportGear™ and TwistGear® are trademarks of Johnson Engineering, Inc.
Buell™, Dyna™, and Sportster™ are trademarks of the Harley-Davidson Motor Company.
No affiliation with the Harley-Davidson Motor Company is implied or inferred.