Here are all the options parts for the Xray XB4 2020 and olders
Reference 06365201
Brand: XRAY
ECS FRONT DRIVE SHAFT 81MM WITH 2.5MM PIN - HUDY SPRING STEEL™ - SET-
Reference 06365223
Brand: XRAY
FRONT ECS DRIVE SHAFT 81MM WITH 2.5MM PIN - HUDY SPRING STEEL™ - 3652
Reference 06306208
Brand: XRAY
ALU SERVO MOUNT - BOTH SIDES THREADED - 306208
Reference 06362551
Brand: XRAY
SERVO SAVER PIVOT SHAFT +2MM (2) - 362551
Reference 06363314
Brand: XRAY
ALU LOWER SUSP. HOLDER 3° REAR-FRONT - NARROW - 7075 T6 - 363314
Reference 06364182
Brand: XRAY
SLIPPER CLUTCH SPRING C=46 - BLACK - 364182
Reference 06364912-G
Brand: XRAY
COMPOSITE GEAR DIFFERENTIAL CASE - LARGE VOLUME - GRAPHITE - 364912-G
Reference 06364920-G
Brand: XRAY
COMPOSITE GEAR DIFFERENTIAL COVER - LARGE VOLUME - GRAPHITE - 364920-
Reference 06361108
Brand: XRAY
XB4'20 ALU CHASSIS - SWISS 7075 T6 (2.5MM) - 361108
Reference 06368022
Brand: XRAY
ALU SHOCK SPRING RETAINING COLLAR -2MM (4) - 368022
Reference 06365202
Brand: XRAY
ECS FRONT DRIVE SHAFT 83MM WITH 2.5MM PIN - SET - 365202
Reference 06365224
Brand: XRAY
ECS DRIVE SHAFT 83MM WITH 2.5MM PIN - 365224