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Shimano XTR RD-M9100 Mid Cage Rear Derailleur -12 speed


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Shimano XTR RD-M9100 Rear Derailleur - 11/12 speed


XTR - Rear Derailleur - Mid Cage - SHIMANO SHADOW RD+ - 12-speed

The XTR M9100 series of derailleurs brings a new level of drivetrain silence thank to decreased tension in the low gear position and an added bumper on the pulley cage. Larger 13T pulleys increase efficiency and chain management while compatibility with SHIMANO's new 12-speed cassettes boosts range.

  • Enhance shifting performance
  • Optimized for new drive system
  • Silent drivetrain
  • Decreased rear derailleur tension at low gear position, to prevent high chain tension at low gear
  • Add bumper at rear derailleur pulley cage
  • Bigger 13T pulley
  • Low profile design
  • Low sprocket combination
  • 10-45T (12-speed)


    MODEL NO RD-M9100-GS
    SERIES XTR M9100 Series
    Color Series color
    Average weight 237 g
    B-Axle_Hollow axle
    Compatible chain CN-M9100
    Direct attachment (Conventional)
    Fluoric coated link bushings 8
    Low sprocket_Max. 45T
    Low sprocket_Min. 45T
    Max. front difference 0T
    Pulley_G pulley bearing Sealed Bearing
    Pulley_Sunken type pulley bolt
    Pulley_Teeth 13T
    Pulley_T pulley bearing Sealed Bearing
    Pulley cage GS
    Rear speeds 12
    Top-Normal Spring Type SHIMANO SHADOW RD+
    Top sprocket_Max. 10T
    Top sprocket_Min. 10T
    Total capacity 35T

    Delivery Method

    Below $65

    Above $65

    Delivery Time





    Express Delivery 



    1-3 Business Days

    Premium Delivery



    4-8 Hours

    *Note: Delivery time is based on date of pick up, not date of order.


    1. Orders that qualify for free shipping will be sent via postage or express courier at our discretion. No tracking infomation/insurance will be provided for postage services. 

    2. Packing and processing would take an estimate of 1-2 days. A tracking email will be sent once your order is processed and ready for pickup.

    3. Pick up is done between Monday - Friday. | Exclude public holidays 

    4. Delivery is done between Monday - Friday 9am - 7pm, Sat 9am - 1pm.  

    5. No delivery to restricted Areas such as: 1.Changi Airport / 2.Alps Ave / 3.Sentosa / 4.Jurong Island /5.Army Camps / etc...

    6. No changes to delivery address can be made after order is processed.

    7. Delivery time may be delayed due to unforseen operations issues. (Vehicle breakdown, festive season resulting in backlog, etc...)

    8. Compensation is capped at $100 for any lost or damaged parcel where the liability is due to our delivery partners. *Discretion of our delivery partner.

    9. Parcels exceeding 160 cm (L+B+H) or 15 kg will incurr additional charges. Alternatively, you may choose to self collect. Customers will be notified accordingly.

    For delivery locations outside of Singapore, please contact us.

    Shimano XTR RD-M9100 Mid Cage Rear Derailleur -12 speed
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