SYNC Core Cables and Housing BB Bearing Steel BB Shell

BB Bearing Steel BB Shell Type BB86 BB Shell Width 86mm Crank Spindle Diameter 24mm Cup Diameter 41mm Interface Hollowtech II Primary Color Grey

Spring type: Top normal

Non-aero chainrings can be installed with a single tool

Silicon rubber strap

SYNC Core Cables and Housing BB Bearing Steel BB ShellThe central piece of the smart light SYNC system Pair up to 7 lights and use the SYNC Core's power button or the smartphone app to turn all lights on off Premium textured polycarbonate body 500 Lm output 5 modes offer maximum visibility, day or night Run time: High: 2hrs; Flashing: up to 100hrs Attributes Battery Type USB rechargeable Bracket FlexTight Light Type LED Lumen Range 401 600 Output 500 lumens Position Front Primary Color Black Rechargeable