Black Oxide Coating Ceramic Bearings

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Oaken Bearings

Unlock the True Potential

CRODER's G5 grade ceramic bearings, with our exclusive BKCoating, are the definitive performance upgrade for your wheel hubs, bottom bracket, and suspension pivots.

BLACK OXIDE COATING CERAMIC BEARINGS

6802-2RS Black Oxide Coating Bearing - 15x24x5mm

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6802-2RS Black Oxide Coating Bearing - 15x24x5mm

NT$650

NT$700

6803-2RS Black Oxide Coating Bearing - 17x26x5mm

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6803-2RS Black Oxide Coating Bearing - 17x26x5mm

NT$650

NT$700

6902-2RS Black Oxide Coating Bearing - 15x28x7mm

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6902-2RS Black Oxide Coating Bearing - 15x28x7mm

NT$650

NT$700

6903-2RS Black Oxide Coating Bearing - 17x30x7mm

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6903-2RS Black Oxide Coating Bearing - 17x30x7mm

NT$650

NT$700

6805-2RS Black Oxide Coating Bearing - 25x37x7mm

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6805-2RS Black Oxide Coating Bearing - 25x37x7mm

NT$650

NT$700

6806-2RS Black Oxide Coating Bearing - 30x42x7mm

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6806-2RS Black Oxide Coating Bearing - 30x42x7mm

NT$650

NT$700

15267-2RS Black Oxide Coating Bearing - 15x26x7mm

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15267-2RS Black Oxide Coating Bearing - 15x26x7mm

NT$650

NT$700

17287-2RS Black Oxide Coating Bearing - 17x28x7mm

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17287-2RS Black Oxide Coating Bearing - 17x28x7mm

NT$650

NT$700

18307-2RS Black Oxide Coating Bearing - 18x30x7mm

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18307-2RS Black Oxide Coating Bearing - 18x30x7mm

NT$650

NT$700

HUB & WHEELS BEARING KITS

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CADEX Bearing Wheel Kit

NT$3,750

NT$4,000

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DT SWISS Bearing Wheel Kit

NT$3,750

NT$4,000

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ZIPP Bearing Wheel Kit

NT$3,750

NT$4,000

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MAVIC Bearing Wheel Kit

NT$3,750

NT$4,000

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VISION Bearing Wheel Kit

NT$3,750

NT$4,000

Bearing Specifications

BEARING NO.	ID	OD	W
OAK-6802-CB	15	24	5
OAK-6803-CB	17	26	5
OAK-6805-CB	25	37	7
OAK-6806-CB	30	42	7
OAK-6902-CB	15	28	7
OAK-6903-CB	17	30	7
OAK-15267-CB	15	26	7
OAK-17287-CB	17	28	7
OAK-18307-CB	18	30	7
OAK-30407	30	40	7

備註:
ID = Inner ring dimension
OD = Outer ring dimension
W = Bearing width

Engineering a Better Bearing

We use only the highest-quality Grade 5 (G5) silicon nitride ceramic balls.
A proprietary surface treatment, our BKCoating provides a robust protective layer on the bearing races.
Every CRODER bearing is manufactured to exacting tolerances to ensure a perfect, secure fit in your frame or components.

Complete Your Drivetrain Ecosystem

Bottom Brackets

Wheelset

SPIRIT Crankset

WHY CRODER ?

Born from Passion. Proven by Performance.

We are cyclists, engineers, and designers united by an uncompromising passion.

Founded in Taichung, the heart of global cycling innovation, every CRODER component is born from this spirit.

DISCOVER CRODER

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Oaken Bearings

Unlock the True Potential

BLACK OXIDE COATING CERAMIC BEARINGS

HUB & WHEELS BEARING KITS

Bearing Specifications

Engineering a Better Bearing

Complete Your Drivetrain Ecosystem

WHY CRODER ?

Born from Passion. Proven by Performance.

BLOG

When Should I Upgrade My Crankset?

Understanding Bicycle Crankset Types: A Comprehensive Guide

Crankset Parts Breakdown: The Pieces That Make You Go!

FAQ

Are ceramic bearings really worth the upgrade?

What is the difference between ceramic and steel bearings?

What does "2RS" on a bearing mean, and how does Black Coating compare?

What is the difference between BB30 and PF30 bottom brackets?

How do I find the right bearing for my bike?

What's the difference between a 6902 and a 6802 bearing?

Is the 6806 the official "BB30 Bearing"?

What is BB386EVO?

Do I need special tools to install press-fit bearings?

How often should I service or replace my ceramic bearings?