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The Stingray comes with a tamper-sensitive alarm that activates by removing the light and recharges itself, so it never runs out on the go
The patent pending system uses a smart motion sensor that sets off a 120 decibel siren if anyone tries to move your bike, and to disengage it you simply reconnect the  light to its mount. 
 
 
The alarm, that doubles up as a cradle for the light, requires no maintenance itself because its battery charges via the light (which is a standard affair via USB). Even so, the alarm battery lasts up to a month without having to reconnect the torch, if you really need to leave your bike locked up for that long. 
 
The light has a strong aluminium body and has a max strength of 300 lumens, with 15 hours of life on a low light setting. It's also just 120g so easy to carry when you've locked your bike up. The motion sensor on the stingray is internal, so it's impossible to hack, and the aluminium strap to attach the cradle to your bike is locked with a custom key, making it very difficult to remove.  
 
stingray alarm.JPG

stingray alarm.JPG

The alarm activates when you remove the light
 
 
Stingray's developer was inspired to invent a better bike security system after having bikes of his own stolen more than once, and the product has been in development for two years. The concept of a light/alarm combo isn't completely unique, most notably appearing on the Cycliq Fly12 which is also a camera (click here for a review); however it's nearly £250, and you can bag a Stingray via Kickstarter for £50 as an early backer. This offer is described as a 'massive discount' on the eventual RRP, and for a £125 backing you can get two plus a whole host of accessories. 
 
You can find out more at bouh.co.uk or visit their Kickstarter campaign page for the Stingray, which currently has 13 days left to go. 

After cobbling together a few hundred quid during his student days off the back of a hard winter selling hats (long story), Jack bought his first road bike at the age of 20 and has been hooked ever since.  He joined road.cc in 2017, having previously worked for 220 Triathlon magazine. Jack's preferred events are time trials, sportives, triathlons and pogo sticking (the latter being another long story), and on Sunday afternoons he can often be found on an M5 service station indulging in his favourite post-race meal of 20 chicken nuggets, a sausage roll, caramel shortbread and a large strawberry milkshake.