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KT Machinery & Bearings
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ONI Bearing


ONI BEARING Performance

Highly rated for their supreme low-torque performance, these
bearings are used on the race bikes of MATRIX POWERTAG, one of
Japan's leading road bike racing teams.

Well-received by riders of this team, ONI BEARINGS have been
praised as being “incomparably lighter” and “especially nimble when
coming out of corners,” and are expected to make further
contributions to the team's performance this season.
* “POWERTAG” is a registered trademark of MATRIX Inc.

SMOOTHESTRolling Resistance In The Industry

ONI BEARINGS are recommended for long rides, as they provide about six times longer continuous wheel rotation than wheel manufacturer original bearings. They also provide smooth rolling resistance that ensures stability when coming out of corners and during riding.

LOWESTTorque In The Industry

ONI BEARINGS have achieved the lightest pedaling in the industry because they feature significantly lower torque than wheel manufacturer original bearings.

AMAZINGDurability!

Rotational performance that remains unchanged in endurance tests equivalent to 100,000 km of use

<Test Results>
<Test Conditions>
  • Bearing: 6903 (17×30×7)
  • Load: 500 N (twice the anticipated load during riding)
  • Rotational speed: 600r/min-1(equivalent to 80 km/h)

We conducted stand-alone endurance tests on ONI BEARINGS.
After 1250 Hours (approx.100,000 km) ride, ONI BEARINGS kept the same rotational performance without abrasion. It kept the same performance as the new one.
*We do not guarantee for the 100,000 km ride.

Even without maintenance, performance remained the same after one season of use by a professional rider

<Test Conditions>
  • Tested bearings: ONI BEARINGS used for one season in 2022 by five professional riders

We provided ONI BEARINGS to the MATRIX POWERTAG professional riding team, after which we disassembled the ONI BEARINGS after being used for one season to investigate their state of wear and other conditions. Despite a grueling race for one season, it kept the same performance as the new one.

SIGNIFICANT TIME REDUCTION!Effective Even On Hill Climbs!!

We conducted time comparisons by having professional riders perform road tests using both
the wheel manufacturer's original bearings and ONI BEARINGS.
Tests were performed using the same measurement conditions for both bearings.
<Measurement Results>
  Wheel manufacturer original bearings ONI BEARINGS
Power
(w)
Average 291.5 290.5
max 478.0 434.5
<Measuring Method>

Power was measured with power pedals, while other data was collected using a bike computer.
Time comparisons were performed twice—both with and without ONI BEARINGS.

<Measurement Conditions>
  • Test rider: Professional rider from MATRIX POWERTAG (62.8 kg)
  • Bicycle: Time Alpe d'Huez 01 (7.8 kg)
  • Wheels: Mavic Cosmic SLR 32
  • Tires: Continental Grand Prix 4000S25C
  • Tubes: TIOGA; Air pressure: 4.5 bar
  • Brakes: Disc; Front 160 mm, Rear 140 mm
  • Power pedals: Wahoo POWRLINK ZERO (dual-sided pedals)
  • Bike computer: Wahoo ELEMNT ROAM (WFCC4)
  • Riding conditions: Sustained riding at 290 W (watts)
  • Measurement distance: 3.8 km × 4 times (with ONI BEARINGS × 2 times, wheel manufacturer original bearings × 2 times)

<Course Details>

PRODUCT

 
Product name
ONI BEARINGS for Road Bike Wheels
Supported wheels

Compatibility Table
It may install to other wheels which are not listed on this compatibility table. Please contact the listed shops.

Bearing Dimension

Introducing each bearing's dimension.

Price

For Our Global Sales Contact.

 
Product name
ONI BEARINGS for Bottom Bracket
Supported BB

Compatibility Table
It may install to other wheels which are not listed on this compatibility table. Please contact the listed shops.

Bearing Dimension
Price

For Our Global Sales Contact.


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