Will 2017 be the year of the dropper post? All new KS Lev Circuit wireless post leads the dropper revolution Share on Facebook Share on Twitter Share on Pinterest Share on Whatsapp Share on Reddit Email to a friend By Jon Woodhouse Published: September 1, 2016 at 1:30 pm The KS Lev Circuit is the first wireless post from the Taiwanese brand Jon Woodhouse / Immediate Media Adding a battery unit to power the actuator on the collar means a little bit more insertion depth is needed Jon Woodhouse / Immediate Media The battery is said to last around 600 cycles, which equates to around 4-5 rides Jon Woodhouse / Immediate Media Charging is via a USB port at the bottom of the post Jon Woodhouse / Immediate Media The remote is powered by a coin cell battery and is mounted using the Southpaw underbar clamp Jon Woodhouse / Immediate Media