Pinion P1.18 18-Speed Upgrade - For HP Velo (636% Gear Range) - The P1.18 features a 636% gear range with 18 evenly spaced gears and a twist shifter for shifting without pedaling. It requires a simple 60 ml oil change every 10,000 km or annually. Sealed against water and dirt, it’s located at the bottom bracket for added durability. The P1.18 shifts faster than traditional systems and can switch multiple gears at once, minimizing breakage risk.

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 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.