Fulcrum Wind 40C Wheelset Saddle Bags Low Power Mode When Low Power Mode When the battery power is lower than 10% Using the same technology of the SlideCage but for front bottle insertion and featuring a bottle size adjustment nose the Topcage delivers great performance and fits to all plastic drinking bottles It promises braking like never before thanks to the AC3™ laser treatment on the braking track: laser processing allows the traces of resin to be eliminated from the surface in contact with the pads with a precision never seen before 2 mm Inner Rim Width (Channel) ETRTO 17C Tyre Width From 25 mm to 50 mm Braking System Caliper Braking Surface Brakes Options “3K” carbon fiber braking surface