SRAM X4 Long Cage Rear Derailleur - 7/8/9 Speed - Affordable and reliable derailleur is great for repairs and upgrades.
-Compatible with 7-, 8-, and 9-speed systems
-1:1 shifter-to-derailleur actuation ratio for precise light-action indexing
S
HP Front Boom Quick Adjust System - With quick release levers, for chain length compensation when front boom is adjusted, incl. length adjustable upper chain protection tube, for all models except Speedmachine, Spirit and Gekko fxs
Shimano Hydraulic Disc Brakes
Avid BB7 Rear Disc Parking Brake Upgrade Kit - Friction Lever - Complete kit to allow the addition of a rear parking brake. Includes an Avid BB7 mechanical disc brake and rotor, parking brake lever for fitting on the handle bar and a cable. The rear hub must be disc brake compatible and ready to take the rotor supplied in the kit.
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.
HP Velotechnik Universal Computer Mount - Computer head mount for HP Velotechnik bikes and trikes. Attaches to the boom and provides a tube to mount your computer.
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.