Big bore aluminum rear shock body is redesigned for overall handling and performance improvements. The big bore shocks improve landings and provide better control over surface unevenness and bumps to improve traction. Fits: XT2’24, XT4’24 368392 Front Big Bore Conical Spring Set L=49mm - 2 Dots (2) A range of Big Bore conical springs to fit the Big Bore shocks. The springs, like all other XRAY springs, are manually measured, selected, and matched into pairs to guarantee precisely equal length and damping characteristics. Each spring is laser-engraved with stripes to clearly indicate its firmness.