I put a B&M LineTec with brake light on the back of a Brompton last month as the Brompton light had broken. It lasted 9 months which is longer than the previous Brompton light.
Anywho, on Tuesday I was cycling home from Glasgow and noticed that the B&M stand light function wasn't working and neither was the brake light. It's not easy to check the brake light.
Last night on the way to Tesco for milk and chips (it's Airdrie) I figured it out.
The light has switch which allows you to turn it off, This is handy in train stations as they don't like red lights and was one of the reasons I got this light. I assumed that all it did was temporarily turn off the light till the next time the wheel turned and energised the circuit. No, it seems to toggle the light into a different state where the stand light and brake light don't work but the light will come on when the wheel turns. As I left Tesco, laden with milk and chips, I tapped the wee switch and all was well. The light stays on when I stop and allows all following traffic to know that I am slowing down.
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