Big bore aluminum back surprise body is redesigned for fundamental control and satisfaction improvements. The top bore shocks improve landings and offer 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) a myriad of Big Bore conical springs to suit the top Bore shocks. The springs, just like other XRAY springs, are by hand determined, chosen, and matched into pairs to ensure correctly equal size and damping characteristics. Each springtime is laser-engraved with stripes to demonstrably recommend its tone.