Frog Rear Bike Light
Lumens are a measure of the total amount of visible light from a light source. The higher the lumen rating the “brighter” the light will appear. Lux is a similar method to measure light across a surface area that is often used in European markets.
The rebirth of an iconic bicycle light, the Frog Rear Bike Light: bright, versatile & fun. A design that millions of riders around the world have come to love. Powerful enough for everyday commuting or used to complement an exisiting lighting set-up.
The rebirth of an iconic bicycle light, the Frog Rear Bike Light: bright, versatile & fun. A design that millions of riders around the world have come to love. Powerful enough for everyday commuting or used to complement an exisiting lighting set-up.
Taking cues from Knog’s more advanced lights, Frog is designed with Chip on Board LED technology, enabling a high intensity light that's compact, low profile and packed with features.
- Punchy 20 lumen output
- Integrated flexible mounting system
- 9 eye-catching modes
- Water resistant with IP65 rating
- Super lightweight at just 20 grams
- USB-C rechargeable (cable not included)
- Curved lens provides side illumination
- Battery level indicator
- Up to 60 hour runtime
- Simple one-button operation
- Available in 6 fun-loving colours
| MODE | LUMENS | RUNTIME |
| High |
7 |
3 hrs |
| Low |
1 | 15 hrs |
| Side Flash |
11 | 4 hrs |
| Full Bright |
20 |
7 hrs |
| Back To Front |
5 | 13 hrs |
| Front To Back |
8 | 6 hrs |
| Side To Side |
6 | 5 hrs |
| Rotation |
6 | 13 hrs |
| Eco |
4 | 60 hrs |
- Frog Rear Bike Light
PLEASE NOTE:
- Orders cannot be amended once placed.
- Orders are dispatched from Melbourne, Australia.
- EU & UK orders are inclusive of Duties & Taxes.
- Please note that international orders outside of the UK & EU may be subject to additional customs and duty charges to be paid by the receiver. Knog has no control or liability in regards to these charges.
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We're not able to ship to the United States from this site due to the continued tariff changes. Shop on Knog's US Store for Free Shipping over US$65 and enjoy fast delivery.
2025 CHRISTMAS CUT OFF DATES
Need Knog delivered by December 24th? Here's when you need to order by.
All International Delivery
- DHL Express: Order by Tuesday 16th December 2025
Australia
- VIC, NSW, QLD, SA & TAS: Order by Wednesday 17th December 2025
- WA & NT: Order by Tuesday 16th December 2025
OUR SHIPPING RATES
Australia
- Standard A$10 (3-6 business days)
- Free Standard Delivery when you spend over A$100
Europe
- €20 Premium Delivery via DHL Express (4 - 7 business days)
- FREE when you spend over €100
United Kingdom
- £15 Premium Delivery via DHL Express (4-7 business days)
- FREE when you spend over £100.
- Please note shipping to Northern Ireland is not currently available
Asia + Canada
- US$15 Premium Delivery via DHL Express (4-7 business days)
- FREE when you spend over US$100.
New Zealand
- A$15 Premium Delivery via DHL Express (4 - 7 business days)
- FREE when you spend over A$100
United States
Please note we're not able to ship to the United States from this site due to the continued tariff changes. Shop on Knog's US Store for Free Shipping over US$65 and enjoy fast delivery.
Returns & Exchanges
We stand behind everything we make and want you to be happy. If for any reason you're not satisfied with your purchase, return it within 30-days for a full refund. For more information, please see our Returns & Warranty page.
