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 Rear Rack for Scorpion Plus 20 - Custom welded aluminum rear racks designed specifically for the HP Velotechnik Scorpion PLUS and Scorpion PLUS fs20 trike series. Integrated design will not interfere with rear suspension action on the Scorpion series trikes. Large diameter rack tubing (10.7 mm) may require oversized pannier clamps.

20in SRAM PG-1050 11-36t 10sp Cassette w/SRAM Derailleur, X10 Chain, TT500 Bar End Shifter - Efficient and reliable, this is a tried-and-true 10-Speed System. Includes: -20in Catrike Rear Wheel w/Quick Release -SRAM PG-1050 11-36t 10sp Cassette -SRAM GX 10sp Rear Derailleur -SRAM TT500 10sp Bar End Shifter -10sp Full Length Chain w/Master Link -Shift Kit