SHIMANO ULTEGRA - DI2 - Triathlon/TT - DUAL CONTROL LEVER - Rim Brake - SLR-EV - 11-speed For time trial and triathlon use, the SHIMANO ULTEGRA ST-R8060 levers reduce drag thanks to their aerodynamic design. The one-button layout integrates seamlessly with SHIMANO's SYNCHRONIZED SHIFT. ~Reduced drag through a better aerodynamic design Eliminated the switch box of ST-6871 to make the design smaller and shorter ~Intuitive shifting control Keep a firm grip when shifting Single button on each side of the shifting lever only works with SYNCHRONIZED SHIFT PRODUCT SPECIFICATIONS MODEL NO ST-R8060-L SERIES ULTEGRA R8050 Series Average weight 138 ( /pair) Firmware update by E-TUBE PROJECT ✔ Port for remote sprinter shifter (pcs) 0 Brake lever_Clamp band (mm) INNER DIA. 19.0 - 22.5 Brake lever_Reach adjust ✔ Brake lever_SLR-EV ✔ Shifter type TT/Triathlon DUAL CONTROL LEVER Di2 connectivity wired_Di2 shifting ✔ SD300 connector (pcs) 0 SD300 port (pcs) 0 SD50 connector (pcs) 0 SD50 port (pcs) 1 PRODUCT SPECIFICATIONS MODEL NO ST-R8060-R SERIES ULTEGRA R8050 Series Average weight 138 ( /pair) Firmware update by E-TUBE PROJECT ✔ Port for remote sprinter shifter (pcs) 0 Brake lever_Clamp band (mm) INNER DIA. 19.0 - 22.5 Brake lever_Reach adjust ✔ Brake lever_SLR-EV ✔ Shifter type TT/Triathlon DUAL CONTROL LEVER Di2 connectivity wired_Di2 shifting ✔ SD300 connector (pcs) 0 SD300 port (pcs) 0 SD50 connector (pcs) 0 SD50 port (pcs) 1 READY STOCK, PUCHONG, MALAYSIA.