Here are all the options parts for the Xray X4F
Reference 06305870
Brand: XRAY
OFFSET SPUR GEAR 100T / 64 - 305870
Reference 06305784
Brand: XRAY
SPUR GEAR 84T / 48 - 305784
Reference 06302665
Brand: XRAY
COMPOSITE BALL JOINT 4.9MM - CLOSED WITH HOLE (4) - 302665
Reference 06305866
Brand: XRAY
OFFSET SPUR GEAR 96T / 64 - 305866
Reference 06301322-H
Brand: XRAY
FRONT BODY MOUNT SET 6MM - HARD - XRAY
Reference 06305778
Brand: XRAY
OFFSET SPUR GEAR 78T / 48 - HARD - 305778
Reference 06305578-O
Brand: XRAY
FIXED PULLEY FOR LAYSHAFT WITH BEARINGS 20T - GRAPHITE (2) - 305578-O
Reference 06305395
Brand: XRAY
ECS BB SC DRIVE SHAFT PIN 2 x 8.4 (2) - 305395
Reference 06302240-M
Brand: XRAY
X4 COMPOSITE HUB - MEDIUM - 302240-M
Reference 06930508
Brand: XRAY
BALL-BEARING 5x8x2.5 STEEL SEALED - OIL (2) - 930508
Reference 06302590
Brand: XRAY
ALU DUAL SERVO SAVER SCREW M3x7 - SWISS 7075 T6 (2) - 302590
Reference 06305257
Brand: XRAY
ECS BB SC DRIVE SHAFT COUPLING - HUDY SPRING STEEL™ - 305257