SILCA Ultimate Brake and Drivetrain Cleaner Size:16 oz abrasion resistant TPU lugs for the 210000013556 abrasion resistant TPU lugs for the best balance of pedaling performance and off the bike capability and are designed with an internal fracture notch which allows the hanger to fracture and bend below the point of damage for the carbon frame to eliminate the risk of frame damage under the hardest of impacts Eliminate oil and dirt from your drivetrain in 3 5 minutes and watch the cleaner foam to a purplish red color as in encapsulates and removes that oil and dirt Eliminates brake squeal and will not attack wax on paint or drivetrain