Here are all the options parts for the Xray X4
Reference 06306198
Brand: XRAY
T4'19 GRAPHITE + BRASS FULLY ADJUSTABLE BATTERY HOLDER - 306198
Reference 06301011
Brand: XRAY
X4 GRAPHITE CHASSIS 2.2MM - 301011
Reference 06301012
Brand: XRAY
X4 ALU SOLID CHASSIS 2.0MM - SWISS 7075 T6 - 301012
Reference 06301072
Brand: XRAY
X4 GRAPHITE UPPER DECK - SPLIT FRONT - 2.0MM - 301072
Reference 06301073
Brand: XRAY
X4 GRAPHITE UPPER DECK - SPLIT REAR - 2.0MM - 301073
Reference 06302571
Brand: XRAY
X4 GRAPHITE STEERING PLATE SET - 302571
Reference 06302824
Brand: XRAY
X4 ANTI-ROLL BAR - FRONT 1.4 MM - 302824
Reference 06302825
Brand: XRAY
X4 ANTI-ROLL BAR - FRONT 1.5 MM - 302825
Reference 06305307
Brand: XRAY
X4 ECS BB DRIVE SHAFT 59MM - SET - 305307
Reference 06305317
Brand: XRAY
X4 ECS BB DRIVE SHAFT 59MM (2) - 305317
Reference 06305337
Brand: XRAY
X4 CVD BB DRIVE SHAFT 52MM (2) - 305337
Reference 06305407
Brand: XRAY
X4 CVD BB DRIVE SHAFT 52MM - HUDY SPRING STEEL™ - SET - 305407