Shimano GRX RD-RX812 Rear Derailleur - 11-Speed Long Cage BLK With Clutch For 1x 42t Low Sprocket Max

SKU: RD0605

Regular price
$145.00
Sale price
$145.00
Regular price
$145.00
Expected Ship Date: Mon May 25
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Description
Shimano GRX RD-RX812 Rear Derailleur - 11-Speed Long Cage Black With Clutch For 1x 42t Low Sprocket Max. The Shimano GRX 11-speed rear derailleur has an integrated chain stabilizer mechanism that provides a quieter experience shifting security and precision on mixed terrain. For rides on smooth surfaces the derailleur features an ON/OFF switch for the chain tensioner. The Shimano Shadow RD+ adjustable chain stabilizer provides silent and uninterrupted rear shifting on rough terrain.
  • Adjustable Shimano RD+ chain stablizer prevents chain slapping and drops
  • Gravel-tuned clutch tension provides smooth and reliable mixed surface shifting
  • Compatible with Shimano road Dual Control Levers
  • Compatible with Shimano LinkGlide and HG 11-speed chains
    • TECH SPECS
    Largest Cog 42
    Color Black
    Rear Der/Shifter Compatibility Shimano Road
    Rear Derailleur Mount Type Shimano Rear Direct Mount
    Rear Derailleur Mount Type 10x1 Standard
    Drivetrain Speeds 11
    Weight 267
    Chain Wrap Capacity (teeth) 31
    Cage Length Long

    Product Images Disclaimer
    Product images are for reference only and may not reflect the exact specifications, color, or components of the item offered for sale. Please refer to the product description and specifications for the most accurate details. If you have questions before purchasing, contact us and we’ll be happy to confirm.

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    Born from a lifelong passion for all things bikes, AMG Cyclery is a small, family-run bike shop and community hub in Seaside, California. Founded by Alex and Alisa Gonzales, we believe cycling is for everyone — whether you’re chasing personal bests, heading out for a Sunday cruise, or just discovering two wheels for the first time. We build bikes that fit your style, service them with precision, and welcome every rider who walks through our doors. With a focus on community, craftsmanship, and riding culture, our shop has even been featured on The Radavist — a reflection of the unique bikes and vibrant energy you’ll find here.