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.
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.
Locking Brake Lever Set
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.
RockShox Monarch RL Rear Shock 6.50x1.50 (165x38mm) C2 - Rockshox Monarch RL rear shock. Featuring silky smooth travel in a new lightweight design, Monarch floats through bumps even better than before, turning rugged trails into tire-gripping velvet. The chassis is lean while maintaining the durability and adjustability needed to bite off huge chunks of burly trail action and epic cross country.