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S311
S311
S311
S311
S311
S311
S311
S311
S311
S311
S311
S311

S311

Rechargeable battery type
Compliant with StVZO (German Road legal)

diameter(center): 27.2

length: 350

color: matt black

$100.00

In stock, ready to ship

Delivery and Returns

We offer fast and reliable shipping on all orders. Enjoy fast delivery on orders with delivery times ranging from 3-7 business days.

Need it sooner? Upgrade to express shipping at checkout for an additional fee.

Not completely satisfied with your purchase? No worries! We accept returns. Items must be in their original condition with tags attached. For more details, check out our full delivery and returns policy.

Matador® offers in-house repairs on all products whenever possible and takes lifecycle into account when designing and building products to enable efficient repair. No matter how it happened, where you bought it, or how old your product is, email our customer service team to request a repair

Patented seatpost with an integrated seat rail clamp. The seatpost tube features 5 holes in which the LEDs are enclosed. The USB 2.0 charging port is located in the lower section of the seat rail clamp. The port is accessible from the outside and can be closed using a transparent silicone cover.

  • Diameter (㎜) : 27.2 / 30.9 / 31.6
  • Length (㎜) : 350 (D 27.2 / D 30.9 / D31.6)
    400 (D 30.9)
  • Color surface finish : Polished Silver / Matt Black
  • Seatpost Type : 2 bolt clamp, offset 9mm, mechanical stopper
  • Seapost material : Aluminum 6061 T6

  • Lens Type : Protruding
  • Light Module : 2 wide angle red LEDs,
  • 3 high brightness red LEDs
  • Brightness : 12 cd
  • Power source : Lithium-polymer battery 3.7V, 800mAh, 801473 with protection.
  • Light Duration(fully charged battery) : 5 LED : 10 hours
    3 LED : 15 hours
  • Charging Time : 2.5 h

  • Approval Code : K-1595
  • Seatpost test standard : ISO 4210 City, Mountain
  • Compliant with standard or directive : CE, RoHS, UN3481, StVZO §22a TA Nr.14b (Rear lights for bicycles), IPX5
  • Package Contents : Rear light seatpost, USB charge cable (200cm)

The second top LED functions as a button and is used to operate the rear light.
Light modes : Off → 5 LEDs → 3 LEDs → Long press to switch off

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The Details

  • Diameter:

    27.2mm ⁄ 30.9mm ⁄ 31.6mm

  • Seatpost Length:

    350mm (D 27.2 ⁄ D 30.9 ⁄ D31.6), 400mm (D 30.9)

  • Seatpost Type:

    2 bolt clamp, offset 9mm, mechanical stopper

  • Seapost material:

    Aluminum 6061 T6

  • Approval Code:

    K 1595

  • Brightness :

    12 cd

  • Power Source:

    Lithium-polymer battery 3.7V, 800mAh, 801473 with protection.

S311

The S311 is a powered by a built in, non-removable, rechargeable battery. This is a product that is charged with the included 2m long charging cable.
StVZO version available in Germany, only continuous mode is provided. S311 has the top two lenses protrude, a side view is always provided for safety. The StVZO version restricts the minimum insertion position so that the mechanical stopper does not go down any further as the top three lenses must always be exposed.

Charge state

Charge state

  • Low battery alert : Indicated by a blue LED integrated into the micro-USB port. As soon as this LED lights up, the battery still has enough capacity to power the LEDs for 1 more hour in accordance with the regulation. The micro-USB port is covered with a transparent silicone cap so that the blue LED is visible.
  • Charging : Micro-USB 2.0 port integrated in the seat rail clamp with a transparent silicone cover for splash-water protection.
    Charging voltage: 5V
    Charging current: 0.5A – 2.0A
    In order to reach the full load capacity, it takes about 2.5 hours. During charging, the first led flashes in RED. The flashing stops, changes to continuous red light on when the battery is completely charged. When the battery is fully charged, remove the cable from the USB port. Should the product become excessively hot during charging, stop the charging process. Never charge the battery when the USB port is wet. Full charge and discharge cycles 500.
  • Charging time : 2.5 hours

Integrated lights

Lights are in frame. Light skin’s special design brightens the way ahead.
Turn them on and off with a simple tap. Be seen by others on the road, everaware of your surroundings.

Special seatpost design of S311

Patented seatpost with an integrated seat rail clamp.

The seatpost tube features 5 holes in which the LEDs are enclosed.    

S311’s USB 2.0 charging port is in the lower section of the seat rail clamp.

The port is accessible from the outside and can be closed using a transparent silicone cover.

Cable

S311E or S311D’s cable with a connector extends out of the lower end of the seatpost tube for connection to the electrical system of the e-bike or the bicycle dynamo.

ASSEMBLY

Use the correct diameter corresponding to your bicycle frame. Use the appropriate tool to fasten the saddle support. The minimum insertion length into the frame is 100mm. The rear light must be aligned so that it shines backward. The connector of built-in light seatpost and the connector of power source should be compatible, which must be ascertained before the purchase of the product. 

S311 Shipping

Shipping Weight

  • 27.2 – 350L : 0.66kg
  • 30.9 – 350L : 0.68kg
  • 30.9 – 400L : 0.70kg
  • 31.6  – 350L : 0.68kg

Shipping Dimension

430*65*80

Safety instructions

At startup, the product must be dry. Remove any moisture before riding. After installation, test that the seatpost does not drop under load. Take care that the LEDs are not covered by a bag or clothing when riding. Do not make any independent changes to the product. Do not try to open the product.

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