Here are all the options parts for the Xray X4F
Reference 06308029
Brand: XRAY
ULP ALU PROGRESSIVE SHOCK SYSTEM - SET (2) - 308029
Reference 06305870-O
Brand: XRAY
OFFSET SPUR GEAR 100T / 64 - ORANGE - 305870-O
Reference 06305578-O
Brand: XRAY
FIXED PULLEY FOR LAYSHAFT WITH BEARINGS 20T - GRAPHITE (2) - 305578-O
Reference 06302590
Brand: XRAY
ALU DUAL SERVO SAVER SCREW M3x7 - SWISS 7075 T6 (2) - 302590
Reference 06302821
Brand: XRAY
X4 ANTI-ROLL BAR - FRONT 1.1 MM - 302821
Reference 06305256
Brand: XRAY
ECS BB SC ALU DRIVE SHAFT SLEEVE - SWISS 7075 T6 - 305256
Reference 06303120
Brand: XRAY
SET OF ALU SHIM (0.5MM, 1.5MM, 2.5MM) - 303120
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
Reference 06305772
Brand: XRAY
OFFSET SPUR GEAR 72T / 48 - HARD - 305772
Reference 06305784
Brand: XRAY
SPUR GEAR 84T / 48 - 305784
Reference 06305878
Brand: XRAY
OFFSET SPUR GEAR 108T / 64 - 305878