S-sun L121R rear light review

Powerful, wide-visibility flasher

Our rating 
5.0 out of 5 star rating 5.0
GBP £19.99 RRP
S-sun L121R

Our review

Best for all-round visibility
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With a bright red LED in the end but a clear cap designed to reflect a lot of that light back down into the clear-red plastic body, this little gem is visible from anywhere, and at quite a distance thanks to its power. 


It takes an odd number of batteries, so if you’re running rechargeables it’s annoying as most chargers only work with even numbers. That little annoyance aside though, this is the visible-everywhere light to rule them all.

Product Specifications


Name L121R
Brand S-Sun

No Of Batteries Required 3
Available Colours Transparent
Type of Battery Required AAA Alkaline