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Shimano

Shimano GRX RD-RX400 Rear Derailleur 36T Max (for 10-speed)

Shimano GRX RD-RX400 Rear Derailleur 36T Max (for 10-speed)

$119.90 NZD
$119.99 NZD $119.90 NZD
Rouleur Online Price Sold out
Taxes included. Shipping calculated at checkout.

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Pickup available at Rouleur Cycles - 41 Selwyn Street, Onehunga

Usually ready in 2-4 days
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SHIMANO GRX - Rear Derailleur - SHIMANO SHADOW RD+ - 10-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.

 

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
    • Switch stabilizer ON/OFF to match the terrain
    • Gravel-tuned clutch tension
  • Compatible with current 10s road DUAL CONTROL LEVER
  • Wide range front gearing
    • Maximum front T difference: 16T
  • Top sprocket: Max. 11T/Min. 11T
  • Low sprocket: Max. 36T/Min. 32T
  • Total capacity: 41T

 

PRODUCT SPECIFICATIONS

MODEL NO RD-RX400
SERIES GRX 10-speed
Color Series color
Average weight 303
Rear speeds 10
Compatible chain HG-X 10-speed
Top-normal spring type|SHIMANO SHADOW RD+ ✔
Mount|Direct attachment (conventional) ✔
Mount|Direct mount ✔
Cable adjuster ✔
Max. front difference 16T
Total capacity 41T
Low sprocket|Max. 36T
Low sprocket|Min. 32T
Top sprocket|Max. 11T
Top sprocket|Min. 11T
Fluoric coated link bushings 4
Pulley|Teeth 11T
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.

Trusted NZ Bike Experts – Locally owned & operated with years of experience helping Kiwi riders get the most out of their bikes.

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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