SKU: 49738722747

Shimano GRX ST-RX400/BR-RX400 Hydraulic Disc Brake and Brake/Shift Lever - Left, 2x10-Speed, Flat Mount, Finned Resin Pads, Black

Sale price$117.48 Regular price$130.53
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Ships within 48 hours · Estimated delivery Jul 25 - Jul 30

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Description

Shimano GRX ST-RX400/BR-RX400 Hydraulic Disc Brake and Brake/Shift Lever - Left, 2x10-Speed, Flat Mount, Finned Resin Pads, BlackThe Shimano GRX ST RX400 10 speed hydraulic disc brake lever provides greater control on mixed terrain. Gravel inspired Dual Control shift brake lever and bracket ergonomics Anti slip brake lever Same light shifting operation as top tier systems Tooled reach adjust allows for lever to be adjusted to fit multiple hand sizes and riding preferences Compatible only with FD 4700 and FD RX400 front derailleurs, and RD RX400 and RD 4700 rear derailleurs

The Shimano GRX ST-RX400 10-speed hydraulic disc/brake lever provides greater control on mixed terrain.
  • Gravel inspired Dual Control shift/brake lever and bracket ergonomics
  • Anti-slip brake lever
  • Same light shifting operation as top tier systems
  • Tooled reach adjust allows for lever to be adjusted to fit multiple hand sizes and riding preferences
  • Compatible only with FD-4700 and FD-RX400 front derailleurs, and RD-RX400 and RD-4700 rear derailleurs

Product Specifics

  • Pad Compound: Resin
  • Defined Color: Black
  • Brake Lever Use: Left
  • Color: Black
  • Brake Caliper Mount: Flat Mount
  • Rotor Included: No
  • Hydraulic Hose Length: 1000
  • Hydraulic Fluid Type: Mineral Oil
  • Rear Der/Shifter Compatibility: Shimano Road
  • Drivetrain Speeds: 10
  • Front Der/Shifter Compatibility: Shimano Road



Today's Stock Status

10+ Available to ship in 2-4 Business Days





UPC: 192790450179
EAN: Not available
Manufacturer Part Number: IRX400DLF6SC100A
LD0642
155810-Q0-L



Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 49738722747

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4.7 ★★★★★
Based on 29 reviews
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Product Reviews
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Verified Purchase
Jenna Smeyne
New York, US
★★★★★ 1
Super wide
Size: 13 Little Kid, Color: Taupe
They are oddly very wide. Great for kids with wide chunky feet but for us it was not cute
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 18, 2026
K
Verified Purchase
Kindle Customer
Natrona Heights, US
★★★★★ 2
Nice but runs small
Size: 7 Big Kid, Color: Navy
The sandals are nice and not to hard or flimsy but they are cut very small.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 22, 2026
A
Alexandria Knox
Cuba, US
★★★★★ 4
Solid Kids Sandals, Overpriced Like Most Kids Shoes 🌞
Size: 11 Little Kid, Color: Brown, Size: 11 Little Kid, Color: Brown
My son hasn’t worn these yet since it’s December in Indiana and sandals + snow obviously don’t mix. 😂 So this review is based on first impressions rather than long term wear. That said, these seem wider than a lot of typical kids’ sandals, which I REALLY appreciate since we tend to have wider feet in our family. #hobbitfeet The quality feels pretty decent overall. They’re described as lightweight, and while they’re not insanely lightweight, they do have enough weight to feel semi-sturdy and not flimsy or cheap. I like the style and color, and I think they’ll work well for my son once warmer weather hits. My main complaint is the price. At just under $24 at the time of this review, it feels a little high for kids’ sandals and for what these are. I really feel like $20 MAX would make more sense. Kids shoes are almost always priced like adult shoes, even though they clearly use less material, and that’s hard for me to understand and wrap my mind around. Overall, these seem solid for daily wear, I just wish the price was a bit more reasonable and affordable.
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Reviewed in the United States on December 31, 2025
J
Job
San Leandro, US
★★★★★ 5
Great basic and timeless design
Size: 12 Little Kid, Color: Brown
These sandals are a great find! They’re super easy to get on and off thanks to the Velcro straps, which is a huge win for little ones learning to be more independent. The fit is adjustable and secure, so they stay in place well during all kinds of play. The cork-style footbed is comfortable and gives good support, and the overall design feels sturdy enough to handle everyday wear. They’re lightweight but still durable, and have held up really well so far. They also have a classic, versatile look that goes with just about everything, perfect for summer outfits. Overall, a reliable, comfortable sandal that’s great for active kids. Would definitely buy again!
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Reviewed in the United States on April 24, 2026
N
Nicole
Lake Worth, US
★★★★★ 5
Great option for boys or girls
Size: 13 Little Kid, Color: Black, Size: 13 Little Kid, Color: Black
This is really more of a unisex option for a sandal. I have sandals that look like this, and both of my children have worn this style. I ordered these for my daughter, with the plan to pass them down to my son if they're not too worn when she outgrows them. The style is very minimalistic, so it goes with lots of outfits. All the straps are easily adjustable, so you can get a good fit. I would say the length is true to size, but the width is maybe a bit wide. Nevertheless, the adjustable straps really help them fit well. They feel really sturdy and I appreciate that the sole has cushion to it. My daughter has worn these every day since I got them out of the closet and they're holding up well.
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Reviewed in the United States on February 19, 2026

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