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GRX Rx810 11 Speed Rear Derailleur

Sale priceRs. 10,050.00

Earn up to Rs. 502.50 cashback with Club House


Color: Black
Cage: Medium
Description

The Shimano GRX RX810 11-Speed Rear Derailleur is built specifically for gravel riding — a discipline that demands reliable shifting across wide gear ranges, often on loose, dusty, or wet terrain. Whether you're tackling the Sahyadri foothills near Pune, the switchbacks above Ooty, or long gravel stretches outside Hyderabad, this derailleur is engineered to keep your drivetrain working cleanly when conditions get rough.

Use Cases

Daily training. Reliable use across Indian training conditions — heat, humidity, and rough tarmac.

Race day. Performance-grade construction for competitive efforts.

Long rides. Built for full-day rides across Western Ghats, Sahyadri, or Nilgiri climbs.

Our Take

Shimano's GRX groupset represents a serious commitment to gravel-specific engineering, and the RX810 rear derailleur sits at the top tier of that range. For Indian riders dealing with monsoon mud, Rajasthan dust, and the variable surfaces between Bangalore and Coorg, the GRX RX810 offers a meaningful step up in shifting confidence over adapted road components. At Rs. 10,050, it is a smart long-term investment — better components mean longer service intervals and fewer roadside stops.

Sizing for Indian Riders

This is a drivetrain component, so fit is about compatibility rather than body measurements. Confirm your existing groupset is 11-speed and that your shifters are GRX or Shimano road-compatible. In India's heat above 35°C, cable-actuated mechanical systems like this one are easier to field-service than electronic alternatives — a practical advantage on remote rides in Leh or the Western Ghats.

Compatibility Notes

The RX810 is an 11-speed mechanical rear derailleur designed for Shimano GRX and compatible road groupsets. It works with Shimano 11-speed cassettes and GRX or Ultegra-class shifters. Not compatible with 10-speed or 12-speed drivetrains. Mixed-brand setups with SRAM shifters are generally not recommended. Keep cables clean and replace housing annually if riding through monsoon seasons regularly.

Pairs Well With

Complete your gravel drivetrain build by pairing this derailleur with a matching GRX front derailleur or single-ring crankset, an 11-speed gravel-range cassette, quality 11-speed chain, and a wet-condition chain lubricant suited to Indian monsoon riding. A cable and housing set is also worth having on hand.

Explore the full Shimano collection at Cobbled Climbs | Learn more at Shimano

Specifications

Specification Detail
Brand Shimano
Product Type Derailleur
Shipped From Mumbai, India

Explore the full Shimano collection at Cobbled Climbs

Why buy from Cobbled Climbs

  • 100% genuine — authorised Shimano retailer in India
  • Free delivery on orders above Rs. 2,500
  • Cash on delivery available nationwide
  • 7-day easy returns
  • Shipped from Mumbai
  • Expert advice — built for Indian cycling conditions

Frequently Asked Questions

What is the Shimano GRX RX810 11-Speed Rear Derailleur best used for?

The GRX RX810 is designed specifically for gravel riding — mixed-surface routes, forest tracks, and rough tarmac. It is ideal for Indian riders exploring unpaved roads in Coorg, the Aravalli trails near Delhi, or the rocky paths around Lonavala and Khandala, where wide gear range and chain-retention under load matter more than pure road performance.

How does Shimano GRX sizing and compatibility work for this derailleur?

This is an 11-speed component, so your entire drivetrain — cassette, chain, and shifters — must be 11-speed Shimano-compatible. GRX RX810 works with GRX and Ultegra-class 11-speed shifters. Before ordering, confirm your cassette's largest sprocket falls within the derailleur's maximum capacity. When in doubt, share your current build details with the Cobbled Climbs team for advice.

Will the Shimano GRX RX810 hold up in Indian monsoon conditions and summer heat?

Yes. The GRX range is built for all-weather, all-surface use, making it well-suited to Indian monsoon riding. Clean and re-lube your chain weekly during the rains and switch to a wet-condition lubricant. At 35°C+ heat in cities like Pune, Chennai, or Hyderabad, the mechanical cable system is simpler to maintain than electronic options and resists heat-related battery concerns.

How does the Shimano GRX RX810 compare to a standard road rear derailleur?

Compared to Shimano Ultegra or 105 road derailleurs, the GRX RX810 handles wider-range cassettes better and includes Shadow RD+ technology to reduce chain slap on rough terrain. Road derailleurs are optimised for tighter cassette ranges and smooth tarmac. For gravel, forest roads, or any mixed-surface riding common outside Indian cities, the GRX-specific design is the better choice.

Is the Shimano GRX RX810 worth Rs. 10,050 in India, and what warranty applies?

At Rs. 10,050, the GRX RX810 offers top-tier gravel-specific performance at a reasonable price for a flagship mechanical derailleur. Quality drivetrain components reduce maintenance frequency and repair costs over time — important given the wear acceleration from Indian dust and monsoon conditions. Shimano provides a standard manufacturer's warranty; contact Cobbled Climbs for warranty support and claims assistance.

Details

The Shimano GRX RX810 is an 11-speed mechanical rear derailleur from Shimano's dedicated gravel groupset. Designed for gravel and mixed-surface riding, it delivers precise, consistent shifting across wide-range cassettes. Built with Shimano's Shadow RD+ technology to reduce chain slap on rough terrain. Compatible with 11-speed Shimano drivetrains. Mechanical actuation using standard Shimano cable pull. Suitable for single-chainring and double-chainring setups when paired with appropriate GRX components.

Specifications

Specification Detail Brand Shimano Product Type Rear Derailleurs Shipped From Mumbai, India

Fitting

This derailleur is a drivetrain component — compatibility, not body size, determines fit. Confirm your drivetrain is 11-speed before ordering. The RX810 is compatible with Shimano GRX and Shimano road 11-speed shifters using standard cable pull. Check your cassette's largest sprocket size falls within the derailleur's specified capacity range. If upgrading from a road groupset, verify chainline and cage length suit your intended cassette and chainring combination.

The Story Behind The Brand

Shimano is the world's leading cycling component manufacturer, founded in Japan in 1921. From entry-level to professional racing, Shimano's drivetrain, braking, and pedal systems set the global benchmark for reliability and engineering precision. The GRX groupset, launched in 2019, is Shimano's first dedicated gravel-specific range.

Loyalty Program

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Shipping + Returns + Refunds

Shipping:
We ship all orders within 48 hours, excluding Sundays and public holidays. Delivery typically takes 3 to 5 days depending on your location.

Returns:
If your item arrives damaged, incorrect, or doesn’t fit, you may request a return within 7 days of delivery. Email us at support@cobbledclimbs.com with your order details. Items must be unused and returned in original packaging with all tags and labels intact.

Sale Item Guidelines:
Products purchased on sale are final sale and not eligible for return or exchange. Please double-check sizing, fit, and product details before purchasing.

Please note:
We follow a no money refund policy. Eligible returns are offered store credit or exchange only.

Crash Replacement

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Frequently Asked Questions

Does Cobbled Climbs ship GRX Rx810 11 Speed Rear Derailleur across India?
Yes, Cobbled Climbs ships GRX Rx810 11 Speed Rear Derailleur to all major cities across India including Mumbai, Delhi, Bangalore, Chennai, Pune, Hyderabad, Kolkata, and Ahmedabad. Orders above ₹2,500 qualify for free shipping. Standard delivery takes 3–5 business days. Express delivery is available at checkout for most pin codes.
Is the GRX Rx810 11 Speed Rear Derailleur on Cobbled Climbs 100% authentic?
Yes. Cobbled Climbs is an authorised retailer for Shimano in India. Every product, including GRX Rx810 11 Speed Rear Derailleur, is sourced directly from the brand or their official distributors. All products come with original brand packaging, tags, and warranty documentation.
What is the return and exchange policy for GRX Rx810 11 Speed Rear Derailleur?
Cobbled Climbs offers a 30-day return and exchange policy on GRX Rx810 11 Speed Rear Derailleur. The item must be unused and returned in its original packaging with all tags attached. To initiate a return, email support@cobbledclimbs.com with your order number. Size exchanges are processed free of charge on the first request.
Is GRX Rx810 11 Speed Rear Derailleur currently in stock?
This product is currently out of stock. Use the Notify Me button on this page to receive an email as soon as it is back in stock.
What payment methods are accepted?
Cobbled Climbs accepts all major payment methods including UPI (GPay, PhonePe, Paytm), credit and debit cards (Visa, Mastercard, RuPay), net banking, and EMI options on select cards. All transactions are secured with SSL encryption.
Does GRX Rx810 11 Speed Rear Derailleur come with a manufacturer warranty?
GRX Rx810 11 Speed Rear Derailleur by Shimano comes with the manufacturer's standard warranty as specified in the product details on this page. For warranty claims in India, contact Cobbled Climbs at support@cobbledclimbs.com and we will coordinate with Shimano on your behalf.
How do I find the right size for GRX Rx810 11 Speed Rear Derailleur?
Shimano uses European or international sizing which can run slim compared to Indian sizing. We recommend checking the size chart on this product page and measuring yourself before ordering. If you are between sizes, sizing up is generally recommended for comfort. For sizing assistance, email support@cobbledclimbs.com with your measurements and we will advise.
Can I get a price match if I find GRX Rx810 11 Speed Rear Derailleur cheaper elsewhere?
Cobbled Climbs offers competitive pricing on all products including GRX Rx810 11 Speed Rear Derailleur. If you find the same product at a lower price from another authorised Indian retailer, contact us at support@cobbledclimbs.com with the link and we will do our best to match it. Price matching applies only to authorised retailers selling genuine products, not grey market or parallel import listings.