Here are all the options parts for the Xray X1 2018 and olders
Reference 06303141-O
Brand: XRAY
ALU SHIM 3x5x1.0MM - ORANGE (10) - 303141-O
Reference 06305968
Brand: XRAY
NARROW ALU PINION GEAR - HARD COATED 18T / 64 - 305968
Reference 06305969
Brand: XRAY
NARROW ALU PINION GEAR - HARD COATED 19T / 64 - 305969
Reference 06305970
Brand: XRAY
NARROW ALU PINION GEAR - HARD COATED 20T / 64 - 305970
Reference 06305971
Brand: XRAY
NARROW ALU PINION GEAR - HARD COATED 21T / 64 - 305971
Reference 06305972
Brand: XRAY
NARROW ALU PINION GEAR - HARD COATED 22T / 64 - 305972
Reference 06305973
Brand: XRAY
NARROW ALU PINION GEAR - HARD COATED 23T / 64 - 305973
Reference 06305974
Brand: XRAY
NARROW ALU PINION GEAR - HARD COATED 24T / 64 - 305974
Reference 06305975
Brand: XRAY
NARROW ALU PINION GEAR - HARD COATED 25T / 64 - 305975
Reference 06305976
Brand: XRAY
NARROW ALU PINION GEAR - HARD COATED 26T / 64 - 305976
Reference 06305977
Brand: XRAY
NARROW ALU PINION GEAR - HARD COATED 27T / 64 - 305977
Reference 06305979
Brand: XRAY
NARROW ALU PINION GEAR - HARD COATED 29T / 64 - 305979