Trek Car Back Radar Rear Bike Light

In stock

The CarBack helps you ride with more confidence with a radar that detects rear-approaching vehicles and a rear light that's visible from up to 2 km away.

Know what's coming

Ride with extra confidence with the Trek CarBack Radar Rear Light. The CarBack's radar helps detect rear-approaching vehicles from up to 240 m and provides audio and visual alerts through paired GPS head units for increased on-bike awareness.

Built with integrated best-in-class Daytime Running Lights that are visible from up to 2 km away, the CarBack is a must-have for every cyclist riding on shared roads.

Product details

  1. CarBack can detect and alert riders of rear-approaching vehicles from up to 240 m away
  2. Compatible with most cycling GPS computers
  3. Pair CarBack with the Trek Accessory app to see a vehicle's rear-approaching and passing distance on your smartphone
  4. Designed with focus, flash and range to be daytime-visible from up to 2 km away
  5. Four light-flash modes: Day Flash 90LM, Day Steady 25LM, Night Steady 5LM and Night Flash 5 LM
  6. Visible fuel gauge LEDs make it easy to see the CarBack's 7+ hour battery status
  7. IPX7 waterproof rating to confidently ride through wet conditions
  8. Includes Quick Connect Plus rear mount and USB-C charging cable


Regular price £99.00 inc. VAT
Regular price -42% £169.99 Sale price £99.00 inc. VAT

The CarBack helps you ride with more confidence with a radar that detects rear-approaching vehicles and a rear light that's visible from up to 2 km away.

Know what's coming

Ride with extra confidence with the Trek CarBack Radar Rear Light. The CarBack's radar helps detect rear-approaching vehicles from up to 240 m and provides audio and visual alerts through paired GPS head units for increased on-bike awareness.

Built with integrated best-in-class Daytime Running Lights that are visible from up to 2 km away, the CarBack is a must-have for every cyclist riding on shared roads.

Product details

  1. CarBack can detect and alert riders of rear-approaching vehicles from up to 240 m away
  2. Compatible with most cycling GPS computers
  3. Pair CarBack with the Trek Accessory app to see a vehicle's rear-approaching and passing distance on your smartphone
  4. Designed with focus, flash and range to be daytime-visible from up to 2 km away
  5. Four light-flash modes: Day Flash 90LM, Day Steady 25LM, Night Steady 5LM and Night Flash 5 LM
  6. Visible fuel gauge LEDs make it easy to see the CarBack's 7+ hour battery status
  7. IPX7 waterproof rating to confidently ride through wet conditions
  8. Includes Quick Connect Plus rear mount and USB-C charging cable


Ordering Bikes to the UK
£25.00 delivery on all bikes orders to the UK

Please allow up to two weeks for bike deliveries

Ordering all other products to the UK
Orders under £200.00 - Standard Shipping £7.99
Orders over £200.00 - Free Shipping

View our Shipping Policy for full information on shipping options

You may return new items that are unused and in original packaging,within 30 daysof delivery for a full refund minus our original shipping costs to get the goods to you is applicable. In the event we sent you the incorrect item(s) then we will pay the return shipping costs.

Please view our Returns Policy for full details

Found this bike at a better price somewhere else? We will try our best to match that price. Simply send us an email with a link or photo of the price and we will be in touch with our offer.

Email us at: servicecourse@saintpiran.co.uk