The Shimano Ultegra SW-R671 Di2 2x10/11 Speed Remote Triathlon Time Trials Bar End Shifter have a 2 Button design for mounting on the aero handlebar.
FEATURES 2 button design programmable EW-SD50 each 60cm
SPECIFICATIONS Use: Road, TT, Triathlon Model: SW-R671 Type: Remote Triathlon shifter Current 2 button design Handlebar mounting: DH Bar left/right Mounting: (inner-¸ 19.0-22.5mm, outside-¸ 22.2-24.0mm) Gear: 2-speed, 10-speed, 11-speed right/left programmable Master unit: No Firmware update by E-tube Project: Yes E-tube port (pcs): 0 E-tube connector (pcs): 2 Connector for remote sprinter shifter (pcs): 0 Port for remote sprinter shifter (pcs): 0 Weight 100g (pair) Scope of delivery 1 Shimano SW-R671 Di2 2x10/11-speed Remote Triathlon Shifter Set incl. EW-SD50 each 60cm Technologies: SEIS SHIMANO ELECTRONIC INTELLIGENT SYSTEM
The SEIS innovative shift technology is still based on the SHIMANO INDEX SYSTEM (SIS) that has proved its superior gear changing characteristics over the years. The big difference is that in this case, the shifting action is provided for by electronics instead of mechanics. This electronic shifting system has been extensively tested over past two years by several professional riders in all conditions possible, such as rain, mud, low temperatures, cobble stone roads and combinations of all of these at the same time. Shifting is executed by simply pressing the button. No power is needed to shift, which gives important advantages since it is easier now to always keep a tight grip on the handlebar and to keep your concentration on riding instead on shifting. The shift system allows accurate and effortless shifting in difficult circumstances like when you have cold hands or when you are completely exhausted. Furthermore, the shifting performance will never be affected by contaminated or stretched cables since the shifting signal is transferred electronically. The operating buttons work similarly to mechanical Dual Control Levers so you dont need to re-program your mind for a new system.
E-Tube E-Tube platform offers optimum flexibility on your bike. E-TUBE transmits interactive signals and power supply to each parts by Plug & play� connection. E-TUBE is no rust, no stretch, no freeze and it ensures advanced low maintenance. And SM-PCE1 connects between PC and components to update firmware. Digital device stay the latest version with updating firmware for improve function.
Shimano Item # UPC Left ISWR671L UPC : 689228727656
Right 2 x 10/11 Speed ISWR671R UPC : 689228727663
Left & Right 2 x 10/11 Speed ISWR671P UPC : 689228728332
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