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                                                        1. ZT310-R rear inner  mudguard | 
                                
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                                                        2. Buffer rubber of flanging bushing (φ8.5×φ14×1) | 
                                
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                                                        3. Flanging bushing φ6.2×φ8.4×3.5+φ14×1.5 | 
                                
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                                                        4. Flanging bushingφ6.4×φ9×8+φ18×2(environmental color) | 
                                
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                                                        5. Non-standard bolt M6×16 (304 stainless steel) | 
                                
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                                                        6. GB16674 M6×16 Hexagon flange bolts (9.8 grade/environmental color Zinc) | 
                                
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                                                        7. ZT310-X1 adjustable chain decal | 
                                
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