Here are all the options parts for the Xray NT1 2018 and olders
Reference 06338281
Brand: XRAY
XRAY PROGRESSIVE SPRING-SET C=3.7-4.7 - REAR (2) - 338281
Reference 06338287
Brand: XRAY
XRAY SPRING-SET C=4.5 - MEDIUM-MEDIUM-HARD - REAR (2) - 338287
Reference 06338288
Brand: XRAY
XRAY SPRING-SET D=1.9 (35 LB) LIGHT-RED - HARD - REAR (2) - 338288
Reference 06338296
Brand: XRAY
XRAY SPRING-SET C=4.0 - MEDIUM - REAR (2) - 338296
Reference 06338297
Brand: XRAY
XRAY SPRING-SET C=5.0 - MEDIUM-HARD - REAR (2) - 338297
Reference 06338500
Brand: XRAY
XCA (XRAY CENTRIFUGAL-AXIAL) CLUTCH SET - 338500
Reference 06338501
Brand: XRAY
XCA (XRAY CENTRIFUGAL-AXIAL) CLUTCH SET - HIGH DYNAMIC - 338501
Reference 06338502
Brand: XRAY
XCA (XRAY CENTRIFUGAL-AXIAL) CLUTCH SET - REVERSE - 338502
Reference 06338510
Brand: XRAY
XCA UNIVERSAL CLUTCHBELL - HUDY STEEL - 338510
Reference 06338512
Brand: XRAY
ALU CLUTCH BELL - SWISS 7075 T6 (7MM) - HARD COATED - 338512
Reference 06338515
Brand: XRAY
XCA ALU 7075 T6 HARDCOATED PINION GEAR - 15T (1ST) - 338515
Reference 06338518
Brand: XRAY
XCA ALU 7075 T6 HARDCOATED PINION GEAR - 18T (1ST) - 338518