I took the rotors off and gave them a light sanding… didn’t notice any grooves. Installed the new pads (resin from Amazon).
Initially I saw some improvement but after a couple hundred miles these don’t have any bite or stopping power at all.
I don’t want to make the same mistake with my next set of pads and rotors so any input is appreciated.
by RuntheFlats
12 Comments
Well, I think first is are you sure they’re real? Amazon is an awful place to buy anything you want to last because it’s HIGHLY likely it’s counterfeit
1. take off rotors.
2. scrub rotors with dawn. clean **in the holes and all edges**
3. sand pads to remove glazing.
4. dry rotors manually and thoroughly clean with isopropyl alcohol
5. reinstall everything
6. bed the brakes properly
Pads look like dogshit. I would go to a LBS and source some new pads. Rotor should be okay but Tektro can be a bit meh from experience.
Looks like disk may be warped not the pads but they need changed and disk straightened
Yuck. That looks terrible. you may have received counterfeit pads or maybe they were really cheap? You may want to get directly from LBS for the next set of pads.
The rotor looks damaged with seriously uneven wear. Replace the rotor and pads.
Sand the pads, NOT the rotors!
New pads with old Disc?
WHICH pads from Amazon? And which seller?
It looks as if the pads sit too low, with a significant part of the pad off the rotor.
Can you say if this is possible? How is the caliper mounted on the fork/frame?
https://preview.redd.it/ca9q20ot4lvg1.png?width=896&format=png&auto=webp&s=f3eac8742bf685b00a4a44f6a8e75448fbbcb7ce
Why would you sand down your disc break rotors? Are you buying your pads from a trusted vendor? Are you bedding in your pads properly? Are your disc break rotors worn out?
To start your pads are too low.
The rotors are probably fucked ,
And the pads are shot.
Buy new rotors , pads and adjust your caliper / pads so they sit correctly on the new rotor.
Cheap route is sand the rotor smooth, bake your pads then sand them smooth .
Adjust the caliper to fit and make sure the pads are in the caliper correctly.
Make sure the pads hit the rotor in the right spot.
Bed in the brakes and see if they work.