Ultegra chainring FC-R8100/P 52 teeth 12s

New product Used

Shimano Ultegra chainring

Reference
In stock 2 Items
Condition New

€83.99

Condition

Number of teeth

Number of speed

Fixture

Quantity

In Stock

1/ FC-R8100/P version

for a 2x12-speed drivetrain
designed to work with a 36-tooth chainring
4-arm BCD 110 mm
52 teeth (external position) or 36 teeth (internal position)
colour black
new in damaged packaging

2/ FC-6800 version:

for a 2x11-speed drivetrain
designed to work with a 34-tooth chainring
4-arm BCD 110 mm
50 teeth (external position)
colour anthracite
new without packaging

3/ FC-6800 version :

pour a drivetrain 2x11 speed
designed to work with a 34-tooth chainring
4-arm BCD 110 mm
50 teeth (external position)
colour anthracite
used in medium condition

4/ FC-6800 version :

for a drivetrain 2x11 speed
4 arm BCD 110 mm
34 teeth (internal position)
colour anthracite
used in good condition

5/ FC-6700 version:

for a 2x10-speed drivetrain
Type B
5-arm BCD 130 mm
52 teeth (external position)
colour anthracite
used in average condition (significant wear)

6/ FC-6700 version:

for a 2x10-speed drivetrain
F-type
designed to work with a 34-tooth chainring
5-arm BCD 110 mm
50 teeth (outer position)
light gray color
average condition, 50% wear

7/ FC-6700 version:

for a 2x10-speed drivetrain
type B
designed to work with a 39-tooth chainring
5-arm BCD 130 mm
52 teeth (outer position)
anthracite color
average condition, 50% wear

Bicycle chainring

Description

Shimano Ultegra chainring: performance and reliability for your road bike drivetrain

When it comes to high-performance road bike drivetrains, the Shimano Ultegra chainring stands out as a trusted benchmark. As a central component of the crankset, it plays a key role in smooth pedaling, precise gear shifting, and overall efficiency. Whether you're a racer, sportive rider, or dedicated enthusiast, choosing an Ultegra chainring ensures excellent value for weight, performance, and durability.

A key element in the Shimano drivetrain system

The Shimano Ultegra chainring is part of the Ultegra groupset — Shimano's second-highest range, just below the renowned Dura-Ace. Engineered for optimal performance, it benefits from technologies passed down from pro-level components: precision machining, surface treatments for longevity, increased stiffness, and ultra-smooth gear changes. It’s designed to integrate seamlessly into 11 or 12-speed drivetrains (depending on the generation — R8000 or R8100), with perfect synchronization between the front derailleur, chain, and cassette.

Ultegra chainring technical features

Materials: lightweight and stiff aluminum alloy, sometimes combined with steel teeth on outer rings for added durability.
Compatibility: available in 50/34, 52/36, and 53/39 double chainring setups, with specific bolt circle diameters (110 mm for compact, 130 mm for older standards).
HG (Hyperglide) technology: tooth profiling optimized for smooth and rapid front shifts.
Mounting: 4-arm spider (asymmetric on newer versions) for optimal power transfer.
Weight: lightweight construction without compromising strength — ideal for climbers and powerful riders.

Why choose a Shimano Ultegra chainring ?

The Ultegra chainring is designed for riders who demand top-level performance without the premium price tag of pro-level gear. Its rigid structure ensures better power transmission, especially during sprints or uphill climbs. The tooth design, combined with Shimano’s advanced shifting system, guarantees smooth and responsive gear changes even under load.

Its compatibility with other Shimano drivetrain components (chain, crankset, cassette) makes it a smart, cohesive choice for anyone looking to optimize their groupset. Durability is another key strength: Ultegra chainrings resist wear well thanks to high-quality materials and refined finishes.

When to replace your Ultegra chainring

Like any drivetrain component, your Shimano Ultegra chainring will eventually wear out. Worn teeth, chain skipping, or inconsistent gear changes are signs that it may be time for a replacement. To maintain a smooth, quiet drivetrain, it’s best to regularly check the condition of your chainrings, especially if you ride frequently or in wet conditions.

Conclusion

Whether you're upgrading or replacing worn components, the Shimano Ultegra chainring is a reliable choice to enhance your road bike drivetrain. Combining mechanical precision, pedaling efficiency, and long-lasting durability, it offers high-end performance at a more accessible price point. When paired with a well-maintained chain and cassette, it ensures you get the most out of every ride.