Shimano E Tube D Fly 2 Port Junction Di2 Wireless Unit Category_Tubular Tape SPECIALIZED ANGI INTEGRATION ELEMNT ROAM Length 80mm SPECIALIZED ANGI INTEGRATION ELEMNT ROAM works in conjunction with the Specialized Ride App 5'2" below 42 CM SMALL MODEL NO EW WU111 SERIES DURA ACE R9150 Series Remarks * ANT private has compatibility with ANT+ cycle computer but not freely open profile ** Display function depends on the specification of cycle computer Wireless system ANT private * Firmware update by E TUBE PROJECT ✔ SD50 port (pcs) 2 SD300 port (pcs) 0 SD50 connector (pcs) 0 SD300 connector (pcs) 0 Compatible system Bluetooth®LE corresponding master unit Function ** Gear position ✔ Function ** Di2 Battery level ✔ Function ** Adjust mode display ✔ Function ** Suspension mode ✔ Function ** Shift mode ✔ TECHNOLOGIES