Here are all the options parts for the Xray X4F
Reference 06303140-O
Brand: XRAY
ALU SHIM 3x5x2.0MM - ORANGE (10) - 303140-O
Reference 06303141-O
Brand: XRAY
ALU SHIM 3x5x1.0MM - ORANGE (10) - 303141-O
Reference 06303143
Brand: XRAY
ALU SHIM 3x5x0.25MM (10) - 303143
Reference 06303144-O
Brand: XRAY
ALU SHIM 3x5x4.0MM - ORANGE (10) - 303144-O
Reference 06305380
Brand: XRAY
ALU WHEEL SHIM OFFSET 0.75MM (2) - 305380
Reference 06305779
Brand: XRAY
OFFSET SPUR GEAR 79T / 48 - HARD - 305779
Reference 06305884
Brand: XRAY
OFFSET SPUR GEAR 114T / 64 - 305884
Reference 06305912
Brand: XRAY
NARROW ALU PINION GEAR - HARD COATED 12T / 48 - 305912
Reference 06305913
Brand: XRAY
NARROW ALU PINION GEAR - HARD COATED 13T / 48 - 305913
Reference 06305914
Brand: XRAY
NARROW ALU PINION GEAR - HARD COATED 14T / 48 - 305914
Reference 06305915
Brand: XRAY
NARROW ALU PINION GEAR - HARD COATED 15T / 48 - 305915
Reference 06305916
Brand: XRAY
NARROW ALU PINION GEAR - HARD COATED 16T / 48 - 305916