Brake pad problem
10-17-15 | 03:39 PM
#1
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On Your Left
Joined: Nov 2011
Posts: 8,373
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From: Long Island, New York, USA
Bikes: Trek Emonda SLR, Sram eTap, Zipp 303
Brake pad problem
I have Zipp 303 with the grey Zipp Tangente pads with about 3400 miles on them. A few weeks the front brakes stated to squeal and was leaving grey marks on the brake track of one side. I was told to clean the brake track with isopropyl alcohol and after a lot og elbow grease it came off. I check the pad and it was shinny so I used a file to remove the glaze. The next ride it did it again, so I cleaned the brake track and ordered new brake pads.
Today was the second ride with the new pads and while they are not squealing, they are leaving grey marks now on all 4 brake tracks.
Any suggestions?
Today was the second ride with the new pads and while they are not squealing, they are leaving grey marks now on all 4 brake tracks.
Any suggestions?
10-19-15 | 04:16 PM
#7
Thread Starter
On Your Left
Joined: Nov 2011
Posts: 8,373
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From: Long Island, New York, USA
Bikes: Trek Emonda SLR, Sram eTap, Zipp 303
Here's the reply i received:
I'll use soap and water as suggested and clean the tracks with a Scotch Brite and Acetone. Butt he pads were new with under 50 miles and 1600' descending. I would not say there were excessive braking. Let's face it, Long Island is pretty flat.
BTW... I did confirm that the toe in is correct.
I never had any problem for the first 7 months and 3400 miles.
Pad glazing can happen if you do a ride where there is excessive braking throughout the ride on terrain like descents. Sometimes it can come from riding in poor weather conditions as well.
Acetone is another cleaner that is acceptable to use on the rims. Do not use Simple Green as it will leave a dull haze on the rims. Use soap and water to remove the most of the dirt and grim. You can then use the green side of the scotch brite pad to work on removing the deposited brake pad material on the brake track.
Zipp Speed Weaponry
Zipp Speed Weaponry
I'll use soap and water as suggested and clean the tracks with a Scotch Brite and Acetone. Butt he pads were new with under 50 miles and 1600' descending. I would not say there were excessive braking. Let's face it, Long Island is pretty flat.
BTW... I did confirm that the toe in is correct.
I never had any problem for the first 7 months and 3400 miles.
10-19-15 | 05:29 PM
#8
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From: Delaware shore
Bikes: Cervelo C5, Guru Photon, Waterford, Specialized CX
I don't know what to add. I've got two sets and never have that problem. Could the gray brake pad dust be embedded in the brake track and need to work out?
