Shimano Ultegra FC-6603 Chainring
Best replacement component for enthusiasts seeking smooth triple drivetrain shifting.
A reliable replacement inner ring designed to restore smooth shifting to older triple cranksets. It provides the exact fit and durability needed to keep a 10-speed drivetrain running like new.
$21.49
More Ultegra options
Shimano Ultegra 6800 Chainring
$149.99
Shimano Ultegra 6800 Chainrings
$190.00
Shimano Ultegra 6700 Chainring
$99.99
Shimano Ultegra R8000
$23.99
Shimano Ultegra 6800 Chainring
$115.00
Shimano Ultegra R8000 Chainring
$25.00
Shimano Ultegra R8000 Chainring
$20.00
Shimano Ultegra R8000 Chainring
$115.00
Shimano Ultegra Chainring
$29.99
Shimano Ultegra 6800 Chainring
$18.99
Shimano Ultegra FC-6800
$58.00
Shimano Ultegra FC-6800 Chainring Bolt and Cap
$39.53
Shimano Ultegra Chainring
$22.00
Shimano Ultegra 6800 Chainring
$190.00
Shimano FC-08 Chainring
$125.00
Shimano Ultegra 6800 Chainring
$171.00
Shimano Ultegra R8000 Chainring
$209.99
Shimano Ultegra FC-R8000 Chainring
$25.00
Shimano Ultegra FC-6503 Chainring
$21.49
Shimano Ultegra FC-R8000 Chainring
$147.00
Shimano Ultegra FC-08 Chainring
$125.00
Shimano Ultegra FC-R8000 Chainring
$22.50
Shimano Ultegra FC-6800 Chainring
$22.50
Who it's for
- Road cyclists seeking reliable performance during demanding climbs
- High-mileage riders who prioritize component longevity and value
- Touring cyclists and climbers needing a broader range of gear ratios
Who should skip it
- Modern bike owners looking for current drivetrain replacement parts
- Weight-conscious racers aiming for the lightest possible bike build
- Maintenance-focused riders needing immediate off-the-shelf availability for repairs
Performance breakdown
Shifting Precision
Ramp and pin profiles ensure crisp, reliable transitions under load.
Material Durability
Hard-anodized aluminum resists wear from high-torque climbing efforts.
Compatibility
Perfectly matched for Shimano 10-speed triple drivetrain ecosystems.
Weight Efficiency
Lightweight construction minimizes rotational mass without sacrificing structural integrity.
Installation Ease
Standard bolt pattern makes swapping this ring a straightforward maintenance task.
Finish Quality
Classic silver aesthetic maintains the original look of vintage Ultegra groupsets.
Key Specs
Material
Aluminum
Number of Teeth
30
BCD
74 mm
Chainring Position
Inner
Chain Compatibility
Shimano 10, SRAM 10
Color
Silver
Know before you buy
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Ask Metto anything about the Shimano Ultegra FC-6603 Chainring before you decide.
