The package contains: either 

Y8FN98090 = 1 pair of new brake pads (2 piece with bolts) 

OR

Y8FN98092 = 2 pairs of new brake pads (4 piece with bolts)

Genuine Shimano brake pads R55C3 for Dura Ace - top class pads all weather

The Shimano R55C3 brake pads are compatible with older Dura Ace, Ultegra, 105 and other Road bike or cantilever brakes. They deliver first-class braking performance in both dry and wet conditions. The R55C3 brake pads always cut a good figure when raced.

Specifications:

Brake Type: side-pull brake, cantilever

Cartridge Type: yes

Models:

black / universal

Conditions: dry, wet

Brake Pad Compound: R55C3

Rim Brake Track: aluminium

Manufacturer Part Number: Y8FN98090 (1 PAIR) OR Y8FN98092 (1 SET)

Made in: Japan

Compatibility:

Dura Ace BR-R9110-F, BR-R9110-R, BR-R9110-RS, BR-R9100-F, BR-R9100-RS, BR-9010-F, BR-9010-R, BR-9010-RS, BR-9000, BR-7900, BR-7800, BR-7700

Ultegra BR-R8010-F, BR-R8010-R, BR-R8010-RS, BR-R8000, BR-6810-F, BR-6800, BR-6700, BR-6600, BR-6500

105 BR-R7000, BR-5810-F, BR-5810-RS, BR-5800, BR-5710, BR-5700, BR-5600, BR-5501, BR-5500, BR-R650, BR-R600, BR-R561, BR-R560, BR-CX70

 COMPATIBLE SERIES

DURA-ACE R9100 Series, DURA-ACE 9000 Series, DURA-ACE 7900 Series, ULTEGRA R8000 Series, ULTEGRA 6800 Series, ULTEGRA 6700 Series, ULTEGRA 6600 Series, ULTEGRA 6500 Series, SHIMANO 105 R7000 Series, SHIMANO 105 5800 Series, SHIMANO 105 5700 Series, CYCLOCROSS / ON-ROAD DISC BRAKE, SHIMANO

Features:

first-class braking performance in wet and dry conditions

for racing

Useful Youtube short clip

How To Replace Rim Brake Pads | GCN Tech Basic Road Bike Maintenance

https://www.youtube.com/watch?v=4qAosYtV7bQ&ab_channel=GCNTech