Hayes Dominion A4 Disc Brake Pads Semi-Metallic T106 Model=Seat Mast Toppers Ergonomic design works well with

Ergonomic design works well with integrated road shift/brake levers or bar-end shifters

Maximum recommended load 33lbs (15kg)

Logic Threadless HeadsetOversize lower bearing to handle loads

Generally do not spin as smoothly as retainer bearings due to their maximum complement of ball bearings (MAX)

Hayes Dominion A4 Disc Brake Pads Semi-Metallic T106 Model=Seat Mast Toppers Ergonomic design works well withHayes Dominion A4 Disc Brake Pads Semi Metallic T106. Dominion replacement disc brake pads are used to maintain optimal performance with Hayes disc brakes. TECH SPECS Compound Semi Metallic Heat Sink No Backing Plate Material Steel