Here are all the options parts for the Xray T4 2018 and olders
Reference 06303128-K
Brand: XRAY
ALU SHIM 3x6x6.0MM - BLACK (10) - 303128-K
Reference 06305880
Brand: XRAY
OFFSET SPUR GEAR 110T / 64 - 305880
Reference 06965012
Brand: XRAY
E-CLIP 1.2 (10) - 965012
Reference 06302590
Brand: XRAY
ALU DUAL SERVO SAVER SCREW M3x7 - SWISS 7075 T6 (2) - 302590
Reference 06305255
Brand: XRAY
ECS BB SC DRIVE SHAFT CASE - HUDY SPRING STEEL™ - 305255
Reference 06305256
Brand: XRAY
ECS BB SC ALU DRIVE SHAFT SLEEVE - SWISS 7075 T6 - 305256
Reference 06305395
Brand: XRAY
ECS BB SC DRIVE SHAFT PIN 2 x 8.4 (2) - 305395
Reference 06302348
Brand: XRAY
COMPOSITE C-HUB FRONT BLOCK, LEFT - 6° DEG. - 302348
Reference 06303360
Brand: XRAY
COMPOSITE UPRIGHT 0° OUTBOARD TOE-IN - GRAPHITE - 303360
Reference 06305136
Brand: XRAY
ALU SOLID AXLE DRIVESHAFT ADAPTERS - HARD COATED (2) - 305136
Reference 06305351
Brand: XRAY
"ALU WHEEL HUB - OFFSET ""-0.75MM"" - BLACK (2) - 305351"
Reference 06305434
Brand: XRAY
HIGH-PERFORMANCE LOW FRICTION KEVLAR DRIVE BELT FRONT 3 x 513 MM - 30