Here are all the options parts for the Xray XB4 2020 and olders
Reference 06365875
Brand: XRAY
COMPOSITE 3-PAD SLIPPER CLUTCH SPUR GEAR 75T / 48 - 365875
Reference 06972030
Brand: XRAY
SILICONE O-RING 3x2 (10) - 972030
Reference 06323357-M
Brand: XRAY
COMPOSITE UPRIGHT REAR - LOWER POSITION - MEDIUM - 323357-M
Reference 06335031
Brand: XRAY
DIFF BEVEL & SATELLITE GEARS FOR O-RINGS - SET - 335031
Reference 06303122-O
Brand: XRAY
ALU SHIM 3x6x1.0MM - ORANGE (10) - 303122-O
Reference 06362112
Brand: XRAY
COMPOSITE SUSPENSION ARM FRONT LOWER - 362112
Reference 06364981
Brand: XRAY
COMPOSITE CENTER DIFF SPUR GEAR 81T / 48 - 364981
Reference 08106053
Brand: HUDY
SET OF REPLACEMENT DRIVE SHAFT PINS 2.5x10 (10) - 106053
Reference 06930815
Brand: XRAY
BALL-BEARING 8x14x4 STEEL SEALED - OIL (2) - 930815
Reference 06363114-H
Brand: XRAY
SUSPENSION ARM REAR LOWER RIGHT - 3-HOLE - HARD - 363114-H
Reference 06363124-H
Brand: XRAY
SUSPENSION ARM REAR LOWER LEFT - 3-HOLE - HARD - 363124-H
Reference 06362112-G
Brand: XRAY
COMPOSITE SUSPENSION ARM FRONT LOWER - GRAPHITE - 362112-G