SunTour clamp on downtube rear derailleur Power Shifter
Very cool. Build a single chainring multi-speed... 1x5? 1x6?
Clamp bolt is not assumed to be original, but otherwise this uncommon component is in good overall condition, and exhibits affirmative ratcheting action.
$12 shipped
Paypal f&f or add 3% for g&s
Last edited by deux jambes; 05-20-19 at 08:56 PM.