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Shimano XTR Di2 M9050 upgrade-kit 1-speed external battery (SM-BTR1 with SM-JC40 and SM-BMR2)

31805 / 2015

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  • Derailleurs arrière
  • shift lever right
  • Display unit
  • Battery
  • Junction
  • Battery holder
Dans le cas d’un groupe complet contenant des articles dont vous n’avez pas besoin (exemple pédalier), il faut ajouter le groupe complet à votre panier, et ensuite aller voir le panier. Vous pourrez retirer chaque article du groupe depuis le panier.
Pièces optionnelles
Merci de faire attention : les prix et disponibilités affichés ci-dessus sont reliées aux pièces des groupes complets et non uniquement des pièces optionnelles. Si vous rajoutez des pièces optionnelles vous verrez le prix final dans le panier.
  • Attention:
    • Shimano EW-SD50 Di2 must be ordered separately as they are not included in delivery. - Please measure your frame in case to determine the required wire lengths. - You can simply return wires if the ordered length is not correct or if you ordered more cables then necessary. - For this specific groupset configuration you need 4 wires.
    • If you want to learn more about possible groupset configurations or if you want to get an overview just have a look at page 15 to 17 from this document.


    Rediscover control. Rediscover efficiency. Discover Di2.

    Shimano's XTR M9050 Di2 shifting system brings the seamless control and instant response that only digital shifting can provide to the M9000 Rhythm Step drivetrain. This ushers in the digital age for mountain bikers, giving them control over their ride experience, no matter their discipline, like never before.

    Pairing Di2 with close gear steps means that shifting becomes a reflex. Decreased shift effort and superior ergonomics allow you to shift without decreasing your grip on the handlebar, keeping you in perfect control of both your bicycle and your effort. Your on-bike readiness will reach new heights with XTR Di2. As soon as the thought of a shift springs to mind, you can instantaneously react.

    The programmable, customizable, expandable E-tube Di2 platform brings a quantum leap in personalization to mountain biking. XTR Di2 is going to change the way you ride. How it changes is entirely up to you.



    Shimano's new XTR Di2 M9050 family features the optional Shimano Synchronized Shift, allowing for customizable synchronized front and rear shifting via a single FIREBOLT shifter. By simplifying the rider interface, shifting a mountain bike will have never felt so natural.

    The M9050 derailleurs communicate gear position and automatically execute front and rear shifts when a rider asks for a sequentially larger or smaller gear. This improves efficiency by minimizing time spent on smaller chainrings and cogs.

    Thanks to the programmable options with the Di2 platform, riders can choose when front shifts occur based on terrain and personal preferences. An audible alarm will warn of an upcoming front derailleur shift so that a rider can choose to remain in a given gear. Additionally, on a mountain bike with both front and rear FIREBOLT shifters installed, the rider can manually override shifts at any time, creating perfect cadence control. With Shimano Synchronized Shift your experience on a mountain bike has never been this intuitive, this personalized, this connected or this focused.

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    • Rear derailleur
    • Right/rear shifter
    • Display unit
    • Battery SM-BTR1 + battery holder BMR2
    • Junction JC40
    • WITHOUT electrical wires
  • La liste suivante montre un groupe pré-configuré - vous pouvez retirer chaque article du panier.
    Derailleurs arrièreImage Description
    • XTR Di2 RD-M9050 rear derailleur long cage [RD-M9050-SGS]EN STOCK
    • XTR Di2 RD-M9050 rear derailleur medium cage [RD-M9050-GS]EN STOCK
    shift lever rightImage Description
    • XTR Di2 SW-M9050 shift lever rightEN STOCK
    Display unitImage Description
    • XTR Di2 SC-M9050 display unitEN STOCK
    • Dura-Ace Di2 SM-BTR1 batterydisponible en 1-3 jours de semaine
    • Dura-Ace/Ultegra Di2 SM-JC40 junction external routingdisponible en 1-3 jours de semaine
    Battery holderImage Description
    • SM-BMR2 battery holder screw M4x10 for external cable routing (short;10mm)EN STOCK
    • SM-BMR2 battery holder screw M4x10 for external cable routing (short;16mm)EN STOCK
    • SM-BMR2 battery holder screws M4 and cable binder for external cable routing (long)EN STOCK
    • SM-BMR2 battery holder screws M4 and cable binder for internal cable routing (long)EN STOCK
    Pièces optionnelles
    (vous recevez ces pièces pour un meilleur prix dans le cas d'un achat de groupe complet)
    Merci de faire attention : les prix et disponibilités affichés ci-dessus sont reliées aux pièces des groupes complets et non uniquement des pièces optionnelles. Si vous rajoutez des pièces optionnelles vous verrez le prix final dans le panier.
    • XTR BR-M9000 Race disc brake I-Spec front
    • XTR BR-M9000 Race disc brake I-Spec rear
    • XTR BR-M9020 Trail disc brake I-Spec front
    • XTR BR-M9020 Trail disc brake I-Spec rear
    • XTR PD-M9000 SPD
    • XTR PD-M9020 Trail SPD
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