Here are all the options parts for the Xray XT4
Reference 06323355
Brand: XRAY
ALU MULTI ADJUSTABLE REAR UPRIGHT - SWISS 7075 T6 - 323355
Reference 06323356
Brand: XRAY
ALU MULTI ADJUSTABLE REAR UPRIGHT - LOW - 323356
Reference 06325341
Brand: XRAY
REAR ADJUSTABLE DRIVE AXLE LB - HUDY SPRING STEEL™ - 325341
Reference 06362280-O
Brand: XRAY
ALU CONICAL SHIM 3x6x2.0MM - ORANGE (10) - 362280-O
Reference 06362474
Brand: XRAY
ANTI-ROLL BAR 1.4 MM - 362474
Reference 06362476
Brand: XRAY
ANTI-ROLL BAR 1.6 MM - 362476
Reference 06363511
Brand: XRAY
LEXAN REAR WING 1.5MM (2) - 363511
Reference 06930508
Brand: XRAY
BALL-BEARING 5x8x2.5 STEEL SEALED - OIL (2) - 930508
Reference 06303125-K
Brand: XRAY
ALU SHIM 3x6x3.0MM - BLACK (10) - 303125-K
Reference 06325390
Brand: XRAY
ALU SHIM 10x12x2MM (2) - 325390
Reference 06362480
Brand: XRAY
ANTI-ROLL BAR 2.0 MM - 362480
Reference 06365471-O
Brand: XRAY
ALU DRIVE SHAFT SAFETY COLLAR - ORANGE (3) - 365471-O