Pinion C1.12 12-Speed Upgrade - For Azub (600% Gear Range) -

9 SPEED - DURA ACE BAR END/DEORE DERAILLEUR/9-32 CASSETTE -

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.

Azub Grab Handles - with Mounting Clamps and Hardware - If you find getting on or off your trike difficult, the grab handles are one of your most important aids, just like raising the seat is. What is more, they can be used to attach lots of other accessories, such as horns or phone and GPS holders.