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    Shimano 105 Di2 Groupset
    News

    All-new Shimano 105 Di2 Unveiled

    Jason MitchellBy Jason MitchellJune 29, 2022No Comments3 Mins Read

    During the media presentation for an upcoming aero race bike (more on that tomorrow), the product team said it was only compatible with electronic groupsets, then went on to say there will be three options from Shimano. I mentally double-clicked on that little slip-up, then got official word just days later from Shimano that Shimano 105 Di2 was a reality. Now, Shimano’s legendary Di2 system is available go the masses in the same way that SRAM Rival eTap AXS has been. Things are now equal between the two component giants with wireless and semi-wireless offerings for 105, Ultegra and Dura-Ace. 

    What do we know about Shimano 105 Di2?

    For the 40th anniversary of the affordable 105 group, Shimano is making the biggest leap yet. you’ll recall that Shimano’s renowned Di2 system was significantly improved last year with the all-new Ultegra and Dura-Ace groups. For the first time ever, Shimano has gone Di2 with their affordable, everyday groupset. On paper, it looks to best Rival AXS by a few hundred grams, but does cost about $400 more and doesn’t look to include any power meter options at launch. 

    • Same semi-wireless setup as Ultegra and Dura-Ace (wired derailleurs/battery and wireless hoods)
    • Optimized 12-speed gearing with wide-range Hyperglide cassettes (11-34 or 11-36)
    • Hollowtech II cranksets with 50/34 and 52/36 chainring options
    • Refined ergonomics and buttons
    • Quiet and maintenance-friendly disc brake systems with 10% wider pad clearance
    • Double coin cell batteries in each hood for years of use between changing
    • Levers feature adjustable reach
    • Bluetooth connectivity to head units (Wahoo or Garmin) and Shimano Di2 app
    • Uses previous-generation Di2 front derailleur body
    • No extra buttons atop the hoods, or expansion ports
    • New 32 and 46 mm deep carbon wheelsets
    • Weight: ~3067 grams (full groupset with wires and BB)
    • MSRP: ~$1886.00
    Shimano 105 Di2 Drivetrain
    The business end of the all-new Shimano 105 Di2 group.
    Shimano 105 Di2 - Hood Front View
    Streamlined design with excellent hand placement and alloy levers.
    Shimano 105 Di2 - Hood Side View
    Larger Di2 buttons with the same ergonomics as Ultegra and Dura-Ace.
    Shimano 105 Di2 - Front Derailleur
    The front and rear mechs are wired to a central battery.
    Shimano 105 Di2 - Rear Derailleur
    The rear derailleur has a charging port built-in.
    Shimano Di2 Weights - Dura-Ace, Ultegra and 105 Comparison
    Detailed weight comparison between Dura-Ace, Ultegra and 105 Di2 groups.

    All-new RS710 Carbon wheelsets 

    In addition to the all-new 105 Di2 groupset, Shimano is releasing the C32 and C46 wheelsets with respectable weights, solid specs and killer pricing. Both wheels feature 21mm internal widths and come tubeless-ready out of the box. Here are a few more specs:

    • Optimized carbon layup with a hooked bead design
    • Available in 32mm and 46mm depths
    • Both feature 21mm internal and 28mm external widths
    • Tubeless-ready
    • Weight: 1502 grams for C32 and 1610 grams for C46
    • MSRP: $1049.99
    Shimano WH-RS710 C32 Rear Wheel
    The low-depth C32 is built for all-around use.
    Shimano WH-RS710 C46 Rear Wheel
    The C46 is still light and aerodynamically faster.

    More Info: Visit Shimano Bike

     

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    Jason Mitchell
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    A native of the Pacific Northwest, Jason quickly developed a love for the outdoors and a thing for mountains. That infatuation continues as he founded this site in 1999 -- sharing his love of road biking, mountain biking, trail running and skiing. That passion is channeled into every article or gear review he writes. Utah's Wasatch Mountains are his playground.

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