Here are all the options parts for the Xray X4
Reference 06305781
Brand: XRAY
OFFSET SPUR GEAR 81T / 48 - HARD - 305781
Reference 06305869
Brand: XRAY
OFFSET SPUR GEAR 99T / 64 - 305869
Reference 06305878
Brand: XRAY
OFFSET SPUR GEAR 108T / 64 - 305878
Reference 06305882
Brand: XRAY
OFFSET SPUR GEAR 112T / 64 - 305882
Reference 06308029
Brand: XRAY
ULP ALU PROGRESSIVE SHOCK SYSTEM - SET (2) - 308029
Reference 06308275
Brand: XRAY
XRAY 4S SPRING-SET C=2.5 (2) - 308275
Reference 06308277
Brand: XRAY
XRAY 4S SPRING-SET C=2.9 (2) - 308277
Reference 06308286
Brand: XRAY
XRAY 4S SPRING-SET C=2.6 (2) - 308286
Reference 06960031
Brand: XRAY
ALU NUT M3 (10) - 960031
Reference 06306410
Brand: XRAY
ALU UNIVERSAL MOUNT - 306410
Reference 06306551
Brand: XRAY
XRAY PURE TUNGSTEN CHASSIS WEIGHT 12g - 306551
Reference 06305138
Brand: XRAY
SOLID AXLE ECS BB DRIVESHAFT ADAPTER (2) - 305138