X
Mon-Sat 8am-5pm PT
FREE SHIPPING ON ORDERS OVER $50More info
JOIN OUR EMAIL LISTSign Up
Bike Tires Direct logo. Link to homepage.
Serving cyclists
since 2002
CLICK HERE to join our Email List and get 15% off your first order*
*Restrictions Apply. Click for details.

Crumbs

Product Images

Shimano GRX RD-RX812 11-Speed Rear Derailleur
Click Here for Larger Image

Shimano GRX RD-RX812 11-Speed Rear Derailleur

(1)

Pricing and Order Section

Mfg PartNum: IRDRX812
$119.99
MSRP: $119.99
That's off
In Stock
Ships Free!
Earn $2.40 in VIP credit. Click to Learn More.
240
POINTS
This color/size is not eligible for VIP points
Price matches are is not eligible for VIP points
 

Description

Shimano GRX Rear Derailleur — RD-RX812

With an integrated chain stabilizer mechanism, the SHIMANO GRX derailleur provides a quieter experience and shifting security and precision on mixed terrain. For rides on smooth surfaces, the derailleur features an ON/OFF switch for the chain tensioner. The RD-RX812 rear derailleur is compatible with MTB cassettes with a 42T low sprocket max.

Features:

  • For 1x drivetrains
  • Adjustable chain stabilizer prevents chain slapping and drops
  • Switch stabilizer ON/OFF to match the terrain
  • Gravel-tuned clutch tension
  • Silent and uninterrupted rear shifting on rough terrain
  • Smooth and reliable mixed surface shifting
  • Compatible with current road DUAL CONTROL LEVER
  • Top sprocket: Max. 11T/Min. 11T
  • Low sprocket: Max. 42T/Min. 40T
  • Total capacity: 31T

  • B-Stock - This product has one or more B-Stock units available. These units can be purchased at a discount (see option select). B-Stock units were returned from other customers and may have missing or damaged packaging materials. These units are otherwise as new. The full manufacturer warranty applies. Click Here for more information.

    The product weight specified is an approximate weight based on the manufacturer's specifications (if available) or our measurement of one or two examples. For most products, the weight will typically vary by 5% to 10%.

    Specifications

    Mfg PartNum: IRDRX812 

    Discipline: Gravel 

    Mfg PartNum: IRDRX812 

    Mfg PartNum: RD-RX812 

    Series: SHIMANO GRX 11-speed 

    Weight: 267 g

    Compatible chain: HG-EV 11-speed/HG-X11 

    Low sprocket: 42T (max) / 40T (min) 

    Rear Speeds: 11 

    Top-Normal Spring Type: SHIMANO SHADOW RD  

    Top sprocket: 11T (Max/Min) 

    Total Capacity: 31T 

    Actuation: Mechanical 

    Mount Type: Standard Rear Hanger 

    Speed: 11 

    Reviews

    Ordered by Most Relevant First
    5 stars
    4 stars
    3 stars
    2 stars
    1 stars
    (1)
    (0)
    (0)
    (0)
    (0)
    (100%)
    (0%)
    (0%)
    (0%)
    (0%)
    Reviewed 7/27/2024
    by Anonymous
    Competitive Racer
    Central Oregon
    Value Rating
    Overall Rating
    Does its job

    No complaints, just works

    Was this review useful to you? Yes/No
    Thank you for your feedback.
    additional content loading
    additional content loading
    additional content loading

    We are committed to delivering outstanding value and service to our customers, every day.
    Try us today to see why so many of our customers come back again and again.

    *Orders received before 3:00PM Pacific time are shipped the same day (Mon-Fri). Orders over $50
    are shipped free (USA only, excluding AK and HI). Some exceptions apply. See Shipping for details. 1

    5741 NE 87th Ave (I-205 exit 23B) Portland, OR 97220 | 800-682-0570 | [email protected]