COD available for orders upto ₹20,000

FREE Shipping on orders above ₹2000

Shimano GRX RD-RX400 10-Speed Rear Derailleur

Reliable Shifting for Mixed-Terrain Adventures

  • Rear
Regular price ₹5,010
Delivery estimateEnter your pincode for delivery dates
  • Free shipping over ₹2,000Delivered across India
  • 100% genuineAuthorised dealer, manufacturer warranty
  • Cash on deliveryOn orders up to ₹20,000
  • Secure checkoutUPI, cards and net banking
Not sure about size or compatibility? Ask TBA Guide WhatsApp us

The Shimano GRX RD-RX400 rear derailleur is designed for 10-speed drivetrains, delivering reliable and precise shifting across mixed terrains. Its integrated chain stabilizer mechanism ensures consistent performance, even on rough trails or gravel paths.

Quieter Rides on Any Surface: Engineered with an innovative chain tensioner, this derailleur reduces chain slap and noise, offering a quieter and more enjoyable ride. The On/Off switch allows you to control the stabilizer function, adapting to both smooth roads and rugged trails with ease.

Durable Construction for Adventure: Built for gravel and mixed-terrain adventures, the RD-RX400 features a robust design to withstand challenging conditions. Its durable construction ensures long-lasting performance, no matter where your rides take you.

Smooth and Efficient Shifting: With Shimano's trusted precision engineering, the GRX derailleur provides smooth and reliable shifts, helping you maintain cadence and momentum during climbs, descents, or rapid terrain changes.

The RD-RX400 is compatible with a wide gear range, making it ideal for riders looking to tackle diverse terrains. Whether on gravel roads, trails, or urban streets, this derailleur is a dependable choice for any 10-speed setup.

Product details

Specifications

Model No: RD-RX400
Series: GRX
Color: Series Color
Rear Speeds: 10
Compatible Chain: HG-X 10-speed
RD Construction|Shimano Shadow RD+: Yes
Mount|Direct Attachment (Conventional): Yes
Mount|Direct Mount: Yes
Cable Adjuster: Yes
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
Sunken Type Pulley Screw: Yes
B-Axle|Hollow Axle: Yes
Average Weight: 303 g

Features

  • Smooth Shifting on Any Terrain: Ensures silent and reliable rear shifting, even on rough surfaces, for uninterrupted performance.
  • Chain Stabilization: Adjustable chain stabilizer prevents chain slap and drops, with an On/Off switch to adapt to varying terrains.
  • Wide Compatibility: Supports 10-speed road Dual Control Levers and wide-range front gearing for versatile setups.
  • Gravel-Tuned Design: Features a gravel-specific clutch tension for better chain control on mixed surfaces.
  • Optimized Gear Range: Handles a maximum front difference of 16T, top sprocket max. 11T, low sprocket max. 36T, and a total capacity of 41T.

Technology

  • Shimano Shadow RD+: Reduces chain slap and noise for a quieter and distraction-free ride. The derailleur stabilizer minimizes chain drops while being lighter and more efficient than roller-type chain devices.

Warranty and support

Covered by the manufacturer's warranty. Warranty claims go through us and we deal with the brand for you.

Shimano warranty terms

Questions after delivery? Ask TBA Guide or WhatsApp us.

Shipping and returns

We ship across India. Shipping is free on orders above ₹2,000 and ₹99 below that. Cash on delivery is available on orders up to ₹20,000, with a COD charge that depends on the order value. For a delivery estimate, enter your pincode in the box above the add-to-cart button: it shows the courier's own estimate for your address, not a promised date. If a parcel is held up we chase the courier until it is delivered. Full shipping policy

Most Shimano products take a little longer to ship.

Returns can be started within 7 days of delivery on unused items in their original condition with all tags and packaging. Apparel, helmets, gloves and similar items are returnable; wetsuits and products discounted by more than 5% are not. Compatibility questions are not grounds for a return unless our listing was wrong, so ask us before you order if you are unsure. Return shipping is arranged by you; on an accepted return you can choose an exchange, store credit or a refund after shipping and transaction charges. Orders can be cancelled only until they are processed. Full return and refund policy