Big bore aluminum back shock body is redesigned for fundamental control and satisfaction improvements. The utmost effective bore shocks improve landings and provide better control of surface unevenness and bumps to boost traction. Fits: XT2’24, XT4’24 368392 Front Big Bore Conical Spring Set L=49mm - 2 Dots (2) an array of Big Bore conical springs to suit the top Bore shocks. The springs, just like other XRAY springs, are manually determined, plumped for, and matched into pairs to ensure precisely equal size and damping faculties. Each springtime is laser-engraved with stripes to demonstrably suggest its tone.