Do these Dura-Ace pads perform noticably better than Ultegra pads in an "Ultegra brake set"?

There is not a noticeable difference.

Are these for carbon or aluminum rims?

Aluminum. Carbon rims need special pads. They usually come with the wheels.

I'm not sure if these are the right pads for me- the dimensions listed here , I suspect are wrong (3 in X 4 in?).

You're right, they aren't 3" x 4", maybe 3/8" by 2 1/2".

Will these fit Ultegra BR-6800 brakes?

I really don't know but why not take the old pads off and compare them to the picture? I would suggest that if your brakes are of fairly new design, they will fit.

Shimanobrake Shoes | Desertcart INDIA

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Description

🚴‍♀️ Upgrade your ride with brakes that stop on a dime—because every second counts!

BUILT TO LAST - Crafted from premium metal materials to endure intense road conditions and keep you confidently in control.
TRUSTED BY PROS - Join thousands of cyclists who rely on Shimano’s genuine parts for consistent, high-performance braking.
SEAMLESS COMPATIBILITY - Engineered specifically for Shimano Dura-Ace, Ultegra, and 105 brake systems—no guesswork, just perfect fit.
EFFORTLESS INSTALLATION - Plug-and-play design lets you swap brake shoes in minutes with just a metric Allen wrench—no mechanic needed.
RELIABLE STOPPING POWER - Experience factory-fresh braking performance that holds strong over thousands of miles and vertical climbs.

Shimano R55 C3 Brake Shoes are genuine replacement pads designed for Dura-Ace, Ultegra, and 105 road bike brakes. Featuring a durable metal build and easy plug-and-play installation with lock-tite bolts, these pads restore factory-level braking performance, trusted by cyclists worldwide for reliability and longevity.

Specifications

ASIN	B003LHQ93G
Best Sellers Rank	#165,427 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #350 in Bike Brake Pads
Bike Type	Road Bike
Brand	SHIMANO
Brand Name	SHIMANO
Color	Black
Customer Reviews	4.7 out of 5 stars 680 Reviews
Global Trade Identification Number	00689228284876, 04524667284871, 06892280717280
Included Components	Brake Shoe and Pad
Item Dimensions L x W x H	9.5"L x 5"W x 1"H
Item Type Name	R55c3 Replacement Cartridges (pack Of 2)
Item Weight	4.54 g
Manufacturer	Shimano
Manufacturer Part Number	8FN 9809
Material	Metal
Material Type	Metal
Model Number	8FN 9809
Number of Pieces	1
Product Dimensions	9.5"L x 5"W x 1"H
UPC	689228071728 689228284876
Unit Count	1.0 Count
Warranty Description	Limited Warranty

Reviews

A**R

19.11.2025

D**E

3.05.2016

J**R

26.04.2013

M**F

5.12.2024

J**O

14.07.2025

B**G

31.10.2025

K**L

23.06.2024

V**O

11.09.2013

S**M

9.05.2024

B**B

1.07.2018

ひ**ん

10.03.2025

P**T

4.01.2019

Ｖ**Ｒ

16.07.2025

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All products are sourced from US, UK, and UAE. Our prices include international shipping costs, customs duties, payment processing fees and logistics handling to ensure smooth delivery to India. We handle all customs clearance so you don't face any hidden charges later.

Buy anything from 5,000+ international stores. One checkout price. No surprise fees. Join 2M+ shoppers on Desertcart.

₹ 2600

Duties & taxes included

In stock

Sold byAmazon IndiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to India.

Secure transaction

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Fast, free shipping, member pricing & priority support.

Join PRO →

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Anjali K.

The product quality is outstanding. Exactly what I needed for my work.

1 month ago

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The product exactly matches the description. Very satisfied with my purchase.

5 days ago

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SHIMANOBrake Shoes

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