Fully butted M4 alloy frame for lightweight confidence over the roughest trails Custom-tuned SR Suntour 80 or 100mm-travel suspension fork with hydraulic damping, proprietary Spike Valve, lockout with lightweight magnesium lowers, and alloy steerer delivers the supple ride qualities of a high-end fork Light and durable double-walled alloy rims are tough enough to handle the rough stuff. Specialized The Captain Sport tyres lend a perfect knob pattern for diverse conditions SR Suntour replaceable-ring crankset uses Shimano's sealed cartridge bearing, Octalink-splined, BB interface for reliable power transfer and ease of service Tektro Draco hydraulic disc brakes with dual pistons and forged callipers assure precision braking and durability Shimano Alivio 9-speed rear derailleur and Rapidfire trigger shifters for reliable, high-end performance; Shimano 9-speed, 11-34t cassette offers gearing options for a variety of terrain types Shimano 9-speed, 11-34t cassette offers gearing options for a variety of fitness levels