Shimano's SLX 15mm through-axle hub is ready for the trails. This rock-solid hub features smooth-rolling and easy to service cup-and-cone bearings. The stout design minimizes fork flex, improves steering precision and builds into a super-solid wheel, perfect for today's long-travel, yet lightweight forks. All-mountain durability ensures that whether you're hammering uphill or sticking sick landings this robust hub will hold up ride after ride. Plus Shimano's Center Lock spline makes mounting the disc-brake rotor super easy.