We’ve gone gearbox. Pinion has hit the mark with their box. It is so smooth you will never want to go back.
Shift anytime with out pedaling. Never skip a gear and slip a pedal. Chain is always inline. Never Drop a chain again.
No matter how good you think your derailleur is, it doesn’t come close to the benefits of this gearbox.
The extra 2.5-3lbs is a small price to pay to essentially eliminate your drivetrain headaches.