Here are all the options parts for the Xray X4
Reference 06305784
Brand: XRAY
SPUR GEAR 84T / 48 - 305784
Reference 06305242
Brand: XRAY
DRIVE SHAFT REPLACEMENT PLASTIC CAP 3.5 MM - ORANGE - STRONG (4) - 30
Reference 06930508
Brand: XRAY
BALL-BEARING 5x8x2.5 STEEL SEALED - OIL (2) - 930508
Reference 06305778
Brand: XRAY
OFFSET SPUR GEAR 78T / 48 - HARD - 305778
Reference 06303181-M
Brand: XRAY
X4 CFF REAR LOWER ARM - MEDIUM - LEFT - 303181-M
Reference 06302180-M
Brand: XRAY
X4 CFF FRONT LOWER ARM - MEDIUM - RIGHT - 302180-M
Reference 06302133-M
Brand: XRAY
X4 CFF™ UPPER ARM - MEDIUM - FR/RL - 302133-M
Reference 06302240-H
Brand: XRAY
X4 COMPOSITE HUB - HARD - 302240-H
Reference 06305862
Brand: XRAY
OFFSET SPUR GEAR 92T / 64 - 305862
Reference 06353561
Brand: XRAY
ALU REAR WING SHIM (2) - 353561
Reference 06302180-H
Brand: XRAY
X4 CFF FRONT LOWER ARM - HARD - RIGHT - 302180-H
Reference 06302181-H
Brand: XRAY
X4 CFF FRONT LOWER ARM - HARD - LEFT - 302181-H