The most common seatpost size is 27.2mm. You can check out Bikepedia.com to search for your bike and view the technical data for your seatpost size. Or, download our Seatpost Measuring Guide and print it to determine your seatpost size.
Blink Steady lights ship out the day we receive your order. Domestic (US) orders usually make it in 3 to 5 Business days. Sometimes 2! International orders can take up to several weeks - but we're working on that.
You’ll get the light itself, 2 name brand AAA batteries and a 2mm allen wrench and Torx wrench for installation. All lights now come with both Torx and Allen screws and wrenches.
Nope. Our light stays on when it senses ANY motion at all, even the little sways and fidgety movements when at a stoplight, and stays on for 1 minutes after it's stopped completely. Not to worry.
Blink / Steady is small and sleek because it does not incorporate a universal clamp. We're cooking something up though and when it's ready we'll be sure to let you know.
No. The setscrew that attaches the Blink / Steady to your seat-tube has a soft nylon tip. You can tighten it all you want and it won't leave a mark.