Shimano GRX RD-RX820 Rear Derailleur - 12-Speed, Direct Mount, One Spec, Shadow Plus Design, 36t Max Low

By: Shimano

Out of stock



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  • The Shimano RD-RX820 rear derailleur is compatible with 11-34t and 11-36t 12-speed cassettes, providing a wide gear range so you can spin a comfortable cadence no matter the terrain type. This rear derailleur also features an integrated chain stabilizer that delivers quieter shifting and more secure chain management during rough rides. The chain tensioner has an ON/OFF switch for outings on smooth surfaces.
    • Silent and secure rear shifting on rough terrain
    • Adjustable chain stabilizer prevents chain slap and drops
    • Shimano Shadow RD+ offers less distraction, a quiet drive train, reduced chain slap and a solution for chain drop
    • ON/OFF stabilizer switch matches terrain for smooth and reliable shifting on mixed surfaces
    • Compatible with HG 12-Speed Chains
    Item Specifications
    Chain Wrap Capacity (teeth) 42
    Drivetrain Speeds 12
    Largest Cog 36
    Rear Der/Shifter Compatibility Shimano Road
    Rear Derailleur Mount Type 10x1 Standard
    Rear Derailleur Mount Type Shimano Rear Direct Mount
    Weight 270
    Shimano GRX RD-RX820 12-Speed Rear Derailleur Rear Derailleur UPC: 192790303611
  • United States Shipping:

    Everything in the entire store ships for free to the USA, it's that simple, no catch. The free service will likely be USPS or FedEx depending on the size of the package. Please see our USA Shipping Options page for more info. Everything ships pretty darn fast since we have a shop/shipment center on the West and East Coast.

    International Shipping:

    International shipping is available on 99% of our products. Shipping cost can be calculated on the cart page or during checkout. We are experts at international shipping so please buy with confidence. We have great prices on Usps Priority & Express services, all services will include a tracking number. Please see our International Shipping Options page for more info.

    Returns:

    We offer a 45 day return period on all new items. We want our customers to be happy and returns to be easy. Please see our Return Policy FAQ's page for more info.



Sku: RD0091

Mpn: IRDRX820


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