Shimano Brake Pad Resin Lining 3rd, 5th Generation
08-05-24 | 02:20 PM
#1
Thread Starter
Full Member
Joined: Sep 2015
Posts: 215
Likes: 128
From: St. Louis, Missouri
Bikes: Trek Émonda SL 5, Trek Checkpoint SL 5, Giant Trance X 2, Trek Farley
Shimano Brake Pad Resin Lining 3rd, 5th Generation
I was poking around Shimano's web site today looking at my brakes (Shimano GRX BR-RX400) and the replacement pads available for them. The resin ones state they are "Resin (5th Generation)", and the number is L05A. The number on the pads I have now is L03A, so I assume that means I have 3rd generation resin pads today. Does anyone know what advantages the newer generations provide?
08-05-24 | 02:23 PM
#2
Senior Member
Joined: Sep 2017
Posts: 10,382
Likes: 14,925
I was poking around Shimano's web site today looking at my brakes (Shimano GRX BR-RX400) and the replacement pads available for them. The resin ones state they are "Resin (5th Generation)", and the number is L05A. The number on the pads I have now is L03A, so I assume that means I have 3rd generation resin pads today. Does anyone know what advantages the newer generations provide?
__________________
08-05-24 | 03:25 PM
#3
Facts just confuse people
Joined: Jul 2017
Posts: 19,422
Likes: 7,115
From: Mississippi
Bikes: Tarmac Disc Comp Di2 - 2020
Essentially newer is better. What more do you need to know. If it's what Shimano currently recommends for that model of brake then why not get the latest recommendation instead of the older recommendation's. Although if you can't find the newest and need pads now, go with any of the older generations that apply.
08-07-24 | 06:46 PM
#4
Thread Starter
Full Member
Joined: Sep 2015
Posts: 215
Likes: 128
From: St. Louis, Missouri
Bikes: Trek Émonda SL 5, Trek Checkpoint SL 5, Giant Trance X 2, Trek Farley
08-07-24 | 09:48 PM
#5
Senior Member
Joined: Apr 2009
Posts: 39,897
Likes: 3,865
From: New Rochelle, NY
Bikes: too many bikes from 1967 10s (5x2)Frejus to a Sumitomo Ti/Chorus aluminum 10s (10x2), plus one non-susp mtn bike I use as my commuter
__________________
FB
Chain-L site
An ounce of diagnosis is worth a pound of cure.
Just because I'm tired of arguing, doesn't mean you're right.
“One accurate measurement is worth a thousand expert opinions” - Adm Grace Murray Hopper - USN
WARNING, I'm from New York. Thin skinned people should maintain safe distance.
FB
Chain-L site
An ounce of diagnosis is worth a pound of cure.
Just because I'm tired of arguing, doesn't mean you're right.
“One accurate measurement is worth a thousand expert opinions” - Adm Grace Murray Hopper - USN
WARNING, I'm from New York. Thin skinned people should maintain safe distance.
08-07-24 | 10:08 PM
#6
Senior Member
Joined: Oct 2013
Posts: 8,290
Likes: 3,691
From: Mich
Bikes: RSO E-tire dropper fixie brifter
It might have wireless hdmi now. The old friction tech being hardwired can be a real drag at times...
I think the difference is compound. It might last longer, but it not be as grippy compared to the older version.
I think the difference is compound. It might last longer, but it not be as grippy compared to the older version.
__________________
-YMMV
-YMMV
08-08-24 | 06:57 AM
#7
Senior Member
Joined: Oct 2008
Posts: 3,060
Likes: 822
From: in a house
Bikes: Specialized Aethos, Specialized Diverge Comp E5 and 2025 Spesh Tarmac SL8 Expert
08-08-24 | 09:00 AM
#9
Facts just confuse people
Joined: Jul 2017
Posts: 19,422
Likes: 7,115
From: Mississippi
Bikes: Tarmac Disc Comp Di2 - 2020
I'm on my original L03A's and pushing 7000 miles on them. They still have a lot of life between where they are now and the 0.5 mm that Shimano recommends replacement at. And one does need to do that because that is the thickness of the legs on the spring that goes down the sides of each pad.
I bought some L04C metal pads when I was at 2000 miles just to be ready for the 4000 miles replacement others told me they got. Since I'm not a high mileage rider, they are now several generations out of date. Not that it really matters. They still will do what they were made to do. However in the mean time I've changed my mind about going to metal. With the long life of what I've gotten out of the resin, I just plan to get what ever the newest generation I can find of resin when I get almost to 0.5mm.
