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LINDEN

<BK-02>Ultra-lightweight Compact Rear Light

<BK-02>Ultra-lightweight Compact Rear Light

Regular price ¥3,300 JPY
Regular price ¥3,300 JPY Sale price ¥3,300 JPY
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Item number: SKU:49660946022160(-11240424)

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Overview

The LINDEN BK-02 is an ultralight, compact rear light weighing approximately 5g. This Japanese-made model features automatic flashing in the dark, approximately 10-minute USB-C charging, and up to 24 hours of operation, making it suitable for commuting, long rides, and as a secondary light for randonneuring.
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■PHOTO COLLECTION

  • Product Description
  • Specifications
  • Returns, Delivery & Shipping

LINDEN BK-02 | Ultra-Lightweight Rear Light with Automatic Flashing in Darkness

Weighing only about 5g, this thumb-sized rear light is easy to attach to both helmets and bikes.

For nighttime rides, routes with many tunnels, or rides where you want to enhance visibility even during the day, the LINDEN BK-02 is a Japanese-made rear light with an ultra-compact and ultra-lightweight design that makes it easy to install.

Equipped with a light sensor that automatically flashes in the dark, it reduces the hassle of switching it on and off in tunnels or dimly lit paths. A quick 10-minute USB-C charge provides long operating hours, making it a reliable item for daily use, long rides, and as a sub-light for brevets.

 

Features

  • Ultra-compact and ultra-lightweight rear light, weighing approximately 5g
  • Compact design makes it easy to attach to bikes and helmets
  • Automatically flashes in the dark, smartly handling tunnels and night rides
  • USB-C charging allows for a quick 10-minute charge
  • Approximately 24 hours of operation on a full charge
  • High-intensity red LED improves visibility from behind
  • Waterproof specification for riding in the rain
  • Careful craftsmanship unique to Japanese products

 

SPECIFICATIONS

  • Size: Approximately 35 x 13 x 10mm
  • Weight: Approximately 5g (main unit)
  • LED: High-intensity red LED
  • Battery: Lithium-ion capacitor (LIC)
  • Charging Terminal: USB-C (5V, PD compatible)
  • Charging Time: Approximately 10 minutes
  • Operating Time: Approximately 24 hours
  • Mode: Flashing (automatic on/off with light sensor)
  • Number of Charge Cycles: Approximately 20,000 cycles (component data)
  • Waterproofing: Rain resistant
  • Country of Origin: Japan
  • Accessories: 1 set of Velcro straps, USB cap, instruction manual

 

Upon seeing it in person, you'll first be surprised by how small and light this rear light is. Its thumb-sized form factor means you're unlikely to notice its weight when attached to a helmet, and it doesn't detract from the aesthetics of your bike.

The automatic flashing in the dark is very convenient for routes with many tunnels or for rides in the evening and beyond. With a short charging time and long operating hours, this model is easy to recommend for everyday use, as well as for long rides and as a sub-light for brevets.

– – – – Mounting Method – – – – Please use the included Velcro tape to attach the device to a helmet or vehicle. – – – – Accessories – – – – – Velcro tape (1 pair) – USB cap (1 pc) – Instruction manual – – – – Standards/Specifications – – – – Ultra-compact automatic flashing rear warning light LED: High-brightness red LED Battery: LIC (Lithium-ion capacitor) Charging terminal: USB-C type (5V), also chargeable with PD-compatible power supplies Charging current: 400mA or less Charging cycles: 20,000 times (according to component manufacturer data) Operating time: Approximately 24 hours (excluding low battery) Mode: Flashing Sensor: Built-in light sensor Charging time: Approximately 10 minutes Waterproofing: Rainproof Size: Approx. 35 x 13 x 10mm Weight: Approx. 5g (main unit only) Country of origin: Japan ※ Specifications are subject to change without notice. – – – – Precautions – – – – The adhesive surface of the included Velcro tape is very strong. The peeled surface may become rough or printing may fade. The sensor reacts well to sunlight. It may not turn off in bright indoor light, but this design is intended to prevent malfunctions from tunnel lighting or car headlights. If you experience what appears to be a malfunction during use, stop using the device immediately. This product is small and lightweight, so please be careful to prevent children and pets from accidentally ingesting it.

◆Returns and Exchanges

Please inspect your order as soon as possible after it arrives.

  • Parts, apparel, accessories, and other cycling goods may be returned or exchanged. Return and reshipping costs are covered either by the customer or by our store, depending on the circumstances.
  • Complete bicycles cannot be returned or exchanged for reasons of customer preference. We will only accept returns in the event of a product defect or damage during delivery.

View our Return and Exchange Policy


◆“In-store Stock” and “Special Order” Items

  • “In-store Stock” items are currently available at an Eirin store or in our warehouse. Each item will be inspected before being dispatched.
  • “Special Order” items are ordered from the manufacturer or an authorized Japanese distributor. After the item arrives, we conduct a final inspection before dispatch.

※If “In-store Stock” is unavailable, please select “Special Order.” We will contact you by email once the item has arrived from the supplier.
※If the manufacturer or distributor is also out of stock, the item cannot currently be purchased. Select the “Notify me when available” button to receive a restock notification.


◆From Order to Delivery

From order confirmation to delivery

※① If an item is out of stock, we will contact you by email and ask whether you would like to change or cancel the item.
※② Items cannot be added, changed, or cancelled after the order has been confirmed.
※③ Once your order has been dispatched, we will email you with the shipping confirmation and tracking number.

Customers who have not received an email from us


◆Shipping Carrier

Orders are generally shipped by Seino Transportation.
Another shipping carrier may be used depending on the contents of your order or the delivery area.


◆Pickup at Eirin Stores in Kyoto City

  • Shipping is free when you collect your order from one of our street-front stores in Kyoto City.
  • Complete bicycles generally require approximately 1-2 weeks for assembly and inspection before pickup.
  • Some parts and apparel are stored in our warehouse and may require approximately 1-5 days before they are ready for pickup.

※Due to system limitations, the following payment methods are available for store pickup orders:
Shop Pay, Credit Card, Bank Transfer, and JACCS Financing
Customers wishing to use another payment method should select standard delivery instead of store pickup.


◆Pickup at a Seino Transportation Branch

Seino Transportation branch pickup service

※Shipping for complete bicycles is free when the bicycle is collected from an eligible Seino Transportation branch.

  • This service is available only for complete bicycles. Parts, cycling goods, apparel, and accessories are not eligible.
  • For purchases under ¥55,000 including tax and excluding payment fees, the shipping charge is reduced to half of the standard rate.
  • Different charges apply to Hokkaido, Okinawa, and remote islands. These charges are still lower than residential delivery rates.

Seino Branch Pickup Details

List of Seino Transportation Branches


◆Shipping Fees

The total shipping charge for your order will be calculated automatically and displayed at checkout after you enter your delivery address.

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Store Information

■Cycle Hatena
  • Cycle Hatena

  • Address  367 Masuya-cho, Marutamachi-agaru, Kawaramachi-dori, Kamigyo-ku, Kyoto
    Phone   075-585-5955
    Business Hours   12:00 PM - 8:00 PM
    Closed  Excluding the Obon period, New Year holidays, and event dates

    View Store Details

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■Eirin Marutamachi Store
  • Eirin Marutamachi Store

  • Address  338-2 Takashima-cho, Kamigyo-ku, Kyoto City
    Phone  075-231-3598
    Business Hours  Mon-Sat: 11:00-20:00 Sunday: 12:00-20:00
    Closed  Bon Festival and New Year's holidays

    View Store Details

    View on Google Maps

 
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