Kool Stop Cross Brake Pads. Features: Forged alloy holder with automatic alignment to fit any rim angle Compatible with most Shimano and Avid cyclocross rim brake systems The included Dura 2 pads are thicker for longer life, 7.65mm contact for narrower rims, with cut outs to reduce weight and grooved for water displacement Triple: Kool Stop's most aggressive compound combination for controlled braking in all conditions Lightweight at 39 grams a pair Specifications: Brake Type: Rim Brake Intended Brake Use: Cantilever Compound: Triple Compound Configuration: Pad & Shoe Pad Attachment Style: Smooth or Threaded Post Color: Silver