Shimano GRX RD-RX400 GRX 10-speed rear derailleur, Shadow+, for double, Black

Shimano GRX RD-RX400 GRX 10-speed rear derailleur, Shadow+, for double, Black

5.0 (5)

Shimano GRX RD-RX400 GRX 10-speed rear derailleur, Shadow+, for double, Black

Overall Rating: 2.3 / 5 (average from multiple review sources, as of 18 Oct 2026)
Based on a total of 48,210 customer reviews from independent review platforms.

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Cheapest Total Price
Only 6 left in stock (more on the way).
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£32.99
Free Delivery

Shimano Grx Rx400 Shadow Rd+ Direct Rear Derailleur Black 10s / Max 36t 10s Black / Grey

Overall Rating: 3.9 / 5 (average from multiple review sources, as of 18 Oct 2026)
Based on a total of 43,251 customer reviews from independent review platforms.

Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.

All brand names and logos are the property of their respective owners.

Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
Cheapest Price
1 working day(s)
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£32.99
Delivery from £6.99

Shimano GRX Rear Derailleur 10 Speed Shadow+ Double 36T Gravel Mech RX400

Overall Rating: 1.2 / 5 (average from multiple review sources, as of 17 Oct 2026)
Based on a total of 24,155 customer reviews from independent review platforms.

Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.

All brand names and logos are the property of their respective owners.

Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
Will usually delivered within 1 - 2 working days of receiving cleared payment.
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£34.79
Free Delivery

Shimano GRX Rear Derailleur 10 Speed Shadow+ Double 36T Gravel Mech RX400

Overall Rating: 1.2 / 5 (average from multiple review sources, as of 17 Oct 2026)
Based on a total of 24,155 customer reviews from independent review platforms.

Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.

All brand names and logos are the property of their respective owners.

Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
Will usually delivered within 1 - 2 working days of receiving cleared payment.
Other Other PayPal PayPal Wallet Wallet Mastercard Mastercard Visa Visa Apple Pay Apple Pay Diners Club Diners Club
£34.79
Free Delivery

Shimano GRX RD-RX400 GRX 10-speed rear derailleur, Shadow for double

Overall Rating: 1.2 / 5 (average from multiple review sources, as of 17 Oct 2026)
Based on a total of 24,155 customer reviews from independent review platforms.

Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.

All brand names and logos are the property of their respective owners.

Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
Will usually delivered within 2 - 4 working days of receiving cleared payment.
Other Other PayPal PayPal Wallet Wallet Mastercard Mastercard Visa Visa Apple Pay Apple Pay Diners Club Diners Club
£34.95
Free Delivery

Shimano GRX RX400 Rear Derailleur - 10 Speed - Black / 10 Speed

Overall Rating: 4.5 / 5 (average from multiple review sources, as of 17 Oct 2026)
Based on a total of 81,011 customer reviews from independent review platforms.

Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.

All brand names and logos are the property of their respective owners.

Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
2-3 days
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£39.95
Delivery from £3.95

Shimano GRX RD-RX400 10 Speed Shadow+ Double Rear Mech

Overall Rating: 1.2 / 5 (average from multiple review sources, as of 17 Oct 2026)
Based on a total of 24,155 customer reviews from independent review platforms.

Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.

All brand names and logos are the property of their respective owners.

Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
Will usually delivered within 2 - 5 working days of receiving cleared payment.
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£40.93
Free Delivery

Shimano GRX RD-RX400 Rear Mech

Overall Rating: 4.9 / 5 (average from multiple review sources, as of 18 Oct 2026)
Based on a total of 11,685 customer reviews from independent review platforms.

Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.

All brand names and logos are the property of their respective owners.

Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
2-4 working days
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£44.99
Free Delivery

Rear Derailleur 2x10 Speeds GRX RX400 36T Max SHIMANO Bicycle

Overall Rating: 1.2 / 5 (average from multiple review sources, as of 17 Oct 2026)
Based on a total of 24,155 customer reviews from independent review platforms.

Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.

All brand names and logos are the property of their respective owners.

Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
Will usually delivered within 16 - 34 working days of receiving cleared payment.
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£51.70
Delivery from £17.23
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Shimano GRX RD-RX400 GRX 10-speed rear derailleur, Shadow+, for double, Black

Cheapest offer

Material: Other Quiet and smooth shifting system for uneven terrain Package dimensions: 9.8 L x 17.6 H x 12.6 W (Zm) Adjustable chain stabilizer prevents the chain from jumping out Smooth and reliable shifting in changing ground conditions Department: unisex
£32.99
Only 6 left in stock (more on the way).
amazon.co.uk

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Shimano GRX RD-RX400 GRX 10-speed rear derailleur, Shadow+, for double, Black - Details

▶ Finding you the best price!

We have found 9 prices for Shimano GRX RD-RX400 GRX 10-speed rear derailleur, Shadow+, for double, Black. Our price list is completely transparent with the cheapest listed first. Additional delivery costs may apply.

Shimano GRX RD-RX400 GRX 10-speed rear derailleur, Shadow+, for double, Black - Price Information

  • Cheapest price: £32.99
  • The cheapest price is offered by amazon.co.uk. You can order the product there.
  • The price range for Shimano GRX RD-RX400 GRX 10-speed rear derailleur, Shadow+, for double, Black is £32.99 to £84.73, with a total of 9 offers.
  • Payment methods: The online shop amazon.co.uk supports: Direct debit, Mastercard, Visa
  • Delivery: The shortest delivery time is Only 6 left in stock (more on the way). working days offered by amazon.co.uk.

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User reviews

Our reviews come from Trustami, a service that automatically collects, links, and verifies reviews from various sources such as Google, eBay, Amazon, and Trusted Shops. This gives users a transparent overview of a manufacturer's customer satisfaction.

5.0 out of 5 stars

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Amazon.co.uk Customer

I converted my bike into a gravel bike and can only recommend the gearing. When it comes to the price, you might want to do a Google search.

via trustami

Amazon.co.uk Customer

Great 10 speed rear derailer and fast delivery *****

via trustami

Ebay.de Customer

Excellent quality and design. Good value.

via trustami

Amazon.co.uk Customer

I am upgrading a gravel bike to a gear mech with a clutch. Make sure the GRX10speed is compatible with your shifters ie shimano 4700s.

via trustami

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