Product DescriptionTermModelSpecificationFrame 20inch folding silverfish battery box middle tube : 420mm BB: 120mm. Rear wide: 170mm, Double branch ladder piece, disc brake( attached with folding wrench)ForkSuspension fork20inch 4.0 tire, Stem unicrown 28.6* down-tube 31.8mm Disc brake ,wide 1......
| Term | Model | Specification |
| Frame | 20inch folding silverfish battery box middle tube : 420mm BB: 120mm. Rear wide: 170mm, Double branch ladder piece, disc brake( attached with folding wrench) | |
| Fork | Suspension fork | 20inch 4.0 tire, Stem unicrown 28.6* down-tube 31.8mm Disc brake ,wide 135mm |
| Handlebar | TRANZ-X | 25.4*600mm |
| Stem | 701 | Fold to the left, fold stem |
| Saddle | ttz-026 | Vacuum saddle with clamp |
| Seat post | 27.2*300mm suspension | |
| pedal | Fold pedal | |
| Tyre | 20*4.0 | |
| Front hub | 36 holes 13# disc brake | |
| Rim | 20inch Al alloy rim | |
| Spoke | 13# Black brass cap | |
| Crankset | 52T*165mm aluminum crank , steel gear chainring | |
| Freewheel | TZ-500 | 7pcs 14-28T |
| Chain | TB-50 | 7PCS 126 |
| Brake lever | All aluminum outage throttle , high-grade adjusting screw | |
| Front Brake | Mechanical disc brake, support 140-160, 160mm disc | |
| Rear brake | Mechanical disc brake, support 160-180, 160mm disc | |
| Front derailleur | TX-30-7R | 7s shifter, right |
| Rear derailleur | TZ-500 | 7s rear shifter long guide |
| Motor | 250w motor | 20 "36V 250W, 36 holes, 12# bar, single wire disc brake 7 speed, brushless and teethless, wide170mm, maximum load speed 35 km/h |
| Sensor | Left, 12 magnetic steel, double hall | |
| Display | 866LCD | 36V ,display headlamp switch ,5gear |
| Controller | 9tube | 36V lithium battery, assitant, throttle 5, dual Hall sensor Protocol 2, high electric brake |
| Battery | 360wh | 36V 12AH,13*5=65 single capacity 2500 |
| Charger | 36V2A, Canon head, power plug customer customize plug | |
| Front light | D-021 | Horn , headlamp, waterproof line |
| Rear light | Night light, high electric brake | |
| G.W. | 33kg | |
| N.W. | 31kg | |
| Carton size | 147*28*77cm (85%) | |
| 20GP | 98pcs | |
| 40HQ | 212pcs |










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