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Happy Riding
Simply connect to your indoor cycling application of choice via integrated dual-band ANT+ FE-C and Bluetooth
Featuring innovative heat sink fins
Our chafing cream provides healing and prevents saddle sores and chafing from exercise
anti-launch finish secures Gear Box in your bottle cage
Shimano SM-EW90-B Di2 Junction A 5 Port for TT Bike-Indoor Cycling-Smart Trainers Happy RidingWith Shimano's simplified and improved front junction box (junction A) for 9070 Dura Ace Di2 and 6870 Ultegra Di2, you now have 5 ports for use with both drop bar and TT shifters simultaneously. The new 9070 unit utilizes a rubber strap that cleanly and aerodynamically fastens underneath the stem. Better still, the 5 port junction box has a charging port that makes it possible to charge both internal and external batteries without having to remove
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