Avid Elixir CR Hydraulic Bicycle Disc Brake (160mm, Front) Adapter: 160 millimeter, Brake Lever Actuation: Hydraulic, Brake Lever Use: Left,Right, Brake Mount: 74/51 millimeter Rotor Size: 160mm, Weight: 375g, Weight: 385g, Weight: 188g Brake Reach: Disc, Brake System Color: Black, Brake System Color: black/carbon, Brake Usage F/R: Front Cable: Mountain, Caliper Type: 74mm Post Mount, Caliper Type: 74mm Post Mount,51mm I.S, Disc Mount Type: 51mm I.S. Front,74mm Post Mount Hose Length: front (850mm), Hub/Brake Compatibility: 6-Bolt Disc, Hydraulic Hose Length: 850 millimeter