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Shimano

Shimano GRX RD-RX810 Rear Derailleur (for 2x11-speed)

Shimano GRX RD-RX810 Rear Derailleur (for 2x11-speed)

$179.00 NZD
$209.99 NZD $179.00 NZD
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SHIMANO GRX - Rear Derailleur - SHIMANO SHADOW RD+ - 34T max low sprocket - 11-speed

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 and ON/OFF switch for the chain tensioner. The RD-RX810 rear derailleur is compatible with road cassettes with a 34T low sprocket max.

 

FEATURES

  • Silent and uninterrupted rear shifting on rough terrain
    • Adjustable chain stabilizer prevents chain slapping and drops
      • SHIMANO SHADOW RD+
  • Smooth and reliable mixed surface shifting
    • Toggle clutch ON/OFF to match the terrain
    • Switch stabilizer ON/OFF to match the terrain
    • Gravel-tuned clutch tension
  • Compatible with current road DUAL CONTROL LEVER
  • Maximum front difference: 17T
  • Top sprocket: Max. 11T/Min. 11T
  • Low sprocket: Max. 34T/Min. 30T
  • Total capacity: 40T

 

PRODUCT SPECIFICATIONS
MODEL NO    RD-RX810
SERIES    GRX 11-speed
Color    Series color
Average weight    255
Rear speeds    11
Compatible chain    LINKGLIDE, HG 11-speed
Top-normal spring type|SHIMANO SHADOW RD+    ✔
Mount|Direct attachment (conventional)    ✔
Mount|Direct mount    ✔
Cable adjuster    ✔
Max. front difference    17T
Total capacity    40T
Low sprocket|Max.    34T
Low sprocket|Min.    30T
Top sprocket|Max.    11T
Top sprocket|Min.    11T
Fluoric coated link bushings    4
Pulley|Guide pulley bearing    ✔
Pulley|Tension pulley bearing    ✔
Pulley|Teeth    13T
Pulley|Sunken type pulley screw    ✔
B-axle|Hollow axle    ✔

Click & Collect – Free
Order online & collect at our Onehunga store.

NZ Shipping Costs

  • General Items: $8/item
  • Bikes & Frames: $100 (North Island) / $120 (South Island)
  • Large/Bulky Items: $30 (North Island) / $60 (South Island)
  • Helmets: $20 (North Island) / $25 (South Island)

Rural: Extra fee applies — select “Rural Delivery” at checkout.

International Orders – Contact info@rouleurcycles.co.nz for a quote.

Bike Shipping

  • Fully assembled, tuned & safety‑checked before dispatch.
  • Carefully boxed (minimal reassembly required).
  • Recommend mechanic check before first ride.

Timeframes

  • General: 3–5 working days (+1–2 for rural)
  • Bikes: 5–7 working days (up to 10 remote) + prep time for build/boxing
  • Delays may occur during holidays or courier disruptions.

Tracking & Issues

  • Tracking emailed once dispatched.
  • Contact the courier first for delays. Need help? Email or call us.
  • Report damaged/lost parcels within 3 days.

No PO Boxes – Physical addresses only.

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Custom Builds & Personal Fitting – From road to e‑bikes, we tailor every build to your riding style and goals.

Fast, Reliable Shipping – In‑store stock ships next business day. Supplier stock delivered in as little as 3–5 days.

After‑Sales Support That Rides With You – From servicing to upgrades, our workshop team is here for the long haul.

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