Schlumpf 34T/85 High Speed Drive w/170mm Cranks - The Schlumpf High Speed Drive is our favorite piece of cycling engineering. This planetary gear setup will give you higher high gears and lower low gears. If you have a trike with a 20in rear wheel the HSD will give you back the high end you are missing.
Avid BB7 Front Disc Brake Kit (pair) - This kit includes everything you need to upgrade your trike's brake system to the best mechanical disc brake system available. Perfect for for any home builds.
HP Headrest For Gekko and Scorpion ErgoMesh Seats - The Head Rest,a retrofittable, sleek ergonomic accessory, height and tilt adjustable. Solid aluminum design with detachable and washable head pad with reflecting feature for passive safety.