Here are all the options parts for the Xray T4 2018 and olders
Reference 06305776
Brand: XRAY
OFFSET SPUR GEAR 76T / 48 - HARD - 305776
Reference 06305822
Brand: XRAY
ALU PINION GEAR - HARD COATED 22T / 64 --- Replaced with #305972 - 30
Reference 06305874
Brand: XRAY
OFFSET SPUR GEAR 104T / 64 - 305874
Reference 06305876
Brand: XRAY
OFFSET SPUR GEAR 106T / 64 - 305876
Reference 06305882
Brand: XRAY
OFFSET SPUR GEAR 112T / 64 - 305882
Reference 06305918
Brand: XRAY
NARROW ALU PINION GEAR - HARD COATED 18T / 48 - 305918
Reference 06305925
Brand: XRAY
NARROW ALU PINION GEAR - HARD COATED 25T / 48 - 305925
Reference 06305927
Brand: XRAY
NARROW ALU PINION GEAR - HARD COATED 27T / 48 - 305927
Reference 06305928
Brand: XRAY
NARROW ALU PINION GEAR - HARD COATED 28T / 48 - 305928
Reference 06305929
Brand: XRAY
NARROW ALU PINION GEAR - HARD COATED 29T / 48 - 305929
Reference 06305931
Brand: XRAY
NARROW ALU PINION GEAR - HARD COATED 31T / 48 - 305931
Reference 06305932
Brand: XRAY
NARROW ALU PINION GEAR - HARD COATED 32T / 48 - 305932