Here are all the options parts for the Xray T4 2018 and olders
Reference 06930509
Brand: XRAY
BALL-BEARING 5x9x3 STEEL SEALED - OIL (2) - 930509
Reference 06305242
Brand: XRAY
DRIVE SHAFT REPLACEMENT PLASTIC CAP 3.5 MM - ORANGE - STRONG (4) - 30
Reference 06359210
Brand: XRAY
XRAY PREMIUM SILICONE OIL 100 cSt --- Replaced with #106310 - 359210
Reference 06305778
Brand: XRAY
OFFSET SPUR GEAR 78T / 48 - HARD - 305778
Reference 06302665
Brand: XRAY
COMPOSITE BALL JOINT 4.9MM - CLOSED WITH HOLE (4) - 302665
Reference 06303123-O
Brand: XRAY
ALU SHIM 3x6x2.0MM - ORANGE (10) - 303123-O
Reference 06305870
Brand: XRAY
OFFSET SPUR GEAR 100T / 64 - 305870
Reference 06305880
Brand: XRAY
OFFSET SPUR GEAR 110T / 64 - 305880
Reference 06308264
Brand: XRAY
XRAY 4S SPRING-SET PROGRESSIVE C=2.5-2.8 (2) - 308264
Reference 06303125-K
Brand: XRAY
ALU SHIM 3x6x3.0MM - BLACK (10) - 303125-K
Reference 06305862
Brand: XRAY
OFFSET SPUR GEAR 92T / 64 - 305862
Reference 06303128
Brand: XRAY
ALU SHIM 3x6x6.0MM (10) - 303128