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.

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.

HP Standing-Up Aids for Scorpion FS - Be kind to yourself. These Standing-up Aids for the Scorpion FS will make it easier to get in and out of the seat.