Schlumpf 34T/85 High Speed Drive w/155mm 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.
SunRace M30 7-Speed Direct Fit Rear Derailleur - -6/7-speed MTB rear derailleur
-Engineered polymer and steel construction
-Direct mount with optional hanger included
-SHIMANO Equivalent RD-TY21 / RD-A070
Mirrycle Mirror Adjustable Mirror - The Mirrycle Mirror is by far the most popular mirror for recumbent trikes. It is well made, attaches to any 7/8in tube or handlebar and is easily adjustable. This is an essential safety item for anyone riding a recumbent bike or trike on the street.