2018 z900rs, 2021 cb1000r, 2013 zx6r
Wondering if these are necessary, I changed my rear pads and the old pads had these white plastic pieces about 1/8” thick. I’ve never seen these on any other bike, and don’t seem them in the service manual either. Are they necessary or garbage? I can’t really test ride my bike because it’s winter here but it is parked in an underground parking space and I rode the bike about 20 feet and back and the back brake didn’t seem to do anything, pushing hard wouldn’t even come close to locking up the rear or kicking in the abs just felt like it was getting about 10% braking ability. At first I just figured I need to bed the pads in, maybe I got something on the rotor, a bit of lube or so,e thing that needed to wear off, but then I started wondering about these white spacer things. Anybody have an idea what they are and if I should put them back?