Tiso picked 12/12/12 to announce their new 12 speed, wireless electronic group and if the soundtrack to the video is any indication of well it works; well, then it’s awesome! Props too for another group to compete with Shimano, SRAM, and Campy.
Shifting operation is controlled via a wireless radio and/or wireless bluetooth signal. Commands are activated using buttons integrated into the brake levers. The cassette sprockets are made of titanium and weigh about 150 grams, despite having that extra 12th sprocket (11-29). The derailleurs utilizes a micromotor with encoder for the operation and control; the unit is powered by AAA batteries.
I saw some of Tiso’s kit at Interbike and it’s all very nicely machined. This group works with Campagnolo, Shimano and SRAM.
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