Garmin Tactix 7 Smartwatch Pro Ballistics Edition model x night60disc Shimano Dura Ace RD 7100 Rear Derailleur Shimano Dura Ace RD 7100 Rear Derailleur 6 Speed Short Cage It’s Convertible to Campagnolo or SRAM XD with optional driver bodies preloaded tactical activity and a kill switch to erase user data and location Built in Applied Ballistics® calculator for shooting solutions and compatibility with the AB Synapse™ Garmin app where you can create custom ballistic profiles Navigate the outdoors with preloaded TopoActive and ski maps providing the highest level of positional accuracy from Garmin Training and performance features with more than 30 built in sports apps