Joined: Jul 2015
Posts: 7,498
Likes: 3,301
From: NW Oregon
Bikes: 1982 Trek 930R Custom, '91 Diamondback Ascent w/ XT, XTR updates, Fuji Team Pro CF road flyer, Specialized Sirrus Gravel Convert, '09 Comencal Meta 5.5 XC, '02 Marin MBX500, '84 Gitane Criterium bike
just loosen the clamp, spin the shifter so you can see the bottom, remove the tiny screw holding the round-ish cover on, rotate the shift lever a bit, rotate the cover, hope the tab comes loose without breaking it off the cover, then use PB Blaster Penetrant on the Mechanism, begin Exercising the mechanism until the GUMMED UP PAWL decides to start Moving again, Exercise it some more, then Carefully work the cover back on without breaking that hidden tab off, put the tiny screw back in without dropping an losing it, and reposition the shifter on the Handlebar.
IF your shifter is of the type where you can see the stuck pawl, DO NOT over-excurt that Pawl !! The super thin spring may become damaged, and then you'll need a New shifter.
a shimano flat bar brifter (EF-51-style) has TWO tiny screws to lose, but the TOP cover is easier to remove.. with no super-annoying hidden tabs.
Last edited by maddog34; 09-17-25 at 06:18 PM.