Here are all the options parts for the Xray X4
Reference 06306222
Brand: XRAY
X4 ALU SERVO MOUNT - BLACK - ONE-PIECE - 306222
Reference 06306280
Brand: XRAY
X4 ALU SERVO MOUNT HOLDER - REARWARD - 306280
Reference 06306281
Brand: XRAY
X4 ALU SERVO MOUNT HOLDER - FORWARD - 306281
Reference 06302063-K
Brand: XRAY
T4 ALU ADJUSTMENT BALL-BEARING HUB - BLACK (2) - 302063-K
Reference 06302821
Brand: XRAY
X4 ANTI-ROLL BAR - FRONT 1.1 MM - 302821
Reference 06305316
Brand: XRAY
X4 ECS BB DRIVE SHAFT 58MM (2) - 305316
Reference 06305338
Brand: XRAY
X4 CVD BB DRIVE SHAFT 54MM (2) - 305338
Reference 08293086
Brand: HUDY
HUDY PURE TUNGSTEN WEIGHT THIN - 24.5x24.5MM - 15g - 293086
Reference 06309004
Brand: XRAY
X4 SET OF BALL-BEARINGS (25) - 309004
Reference 06308083
Brand: XRAY
XLP SHOCK ABSORBER MEMBRANE (4) - 308083
Reference 06303121-O
Brand: XRAY
ALU SHIM 3x6x0.5MM - ORANGE (10) - 303121-O
Reference 06304971
Brand: XRAY
GEAR DIFF OUTDRIVE ADAPTER - HUDY SPRING STEEL™ (2) - 304971