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                                                        1. ZT310-T black rear wheel rim(4.5×17) | 
                                
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                                                        2. ZT310 tire pressure wireless built-in sensor | 
                                
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                                                        3. ZT310 tire pressure sensor (straight head M10/reinforced) | 
                                
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                                                        4. ZT350 tire pressure sensor N (M10 straight head) | 
                                
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                                                        5. 160/60R17 CM638R 69S TL E4 IMARK | 
                                
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                                                        6. ZT250-R rear wheel hollow shaft Φ20×302 | 
                                
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                                                        7. ZT250-R rear wheel hollow shaft nut | 
                                
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                                                        8. ZT310 rear wheel right sleeve φ20×φ28×φ38×18.5 | 
                                
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                                                        9. ZT310-R1 rear brake disc (230×4.5) | 
                                
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                                                        10. Non-standard inner hex bolt M8×25 (environmental color) | 
                                
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                                                        11. ABS induction ring (60 teeth) | 
                                
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                                                        12. DF30 wheel speed sensor(deactivated) | 
                                
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                                                        13. Wheel speed sensor(A) | 
                                
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                                                        14. Non-standard bolt M6×16 (304 stainless steel) | 
                                
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                                                        15. Wheel speed sensor clamp | 
                                
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                                                        16. GB276 deep groove ball bearing 6204-2RS-C3 | 
                                
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                                                        17. Oil seal TC φ28×φ47×7 | 
                                
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