Bafang BBS-02 48volt 500watt Motor Assist - This is a great option for those of you who are really into off-roading or for those who always seem to be climbing steep hills. The Bafang is a surprisingly quiet mid drive option that will add a lot of power to your ride. This is a great set up for those of you with a single chainring on your front crankset. If you're looking into getting a Fat Tad, a Quad, or even a KMX Tornado or Typhoon, this mid drive could be exactly what you need.
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.
Schwalbe Marathon Racer 20x1.50 (40-406) HS429 Tire - The most popular recumbent trike tire by far. There is a reason that this tire is the default stock option on so many recumbent trikes. Every tire is a compromise of weight, speed, puncture resistance, and longevity and the Schwalbe Marathon Racer is the best option for the average trike rider.
Mirrycle 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.