Jagwire SwitchbackTriZone Cartridge brake shoes are Linear-Pull and Cantilever Compatible.TriZone inserts feature Jagwires patented dimplesThat reduce brake squeal Inserts and cartridges useTheShimano standard Post MountType: Smooth Pad Use: Standard Brake Fit: Cantilever
Bought these because they were on-sale. I normaly ride Kool Stops (red) but this store didnt have nay in stock. Decided to try these and they are just as stong, if not stronger that the Kool Stops. I think I will keep buying the Trizones. Great concept!