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ULTEGRA DUAL-SIDED POWER METER CRANKSET 2X12s
FC-R8100-P
ULTEGRA DUAL-SIDED POWER METER CRANKSET 2X12s
FC-R8100-P

Scientific training requires accurate measurement and user-friendliness, and the new ULTEGRA R8100 power meter has both. Its dual-sided measurement is accurate within 2.0% and zero offset calibration is a quick and easy process. Perhaps most importantly, its long battery life, easy recharge, and ANT+ and Bluetooth®LE connectivity makes using and recording your workouts easier than ever.

Color
Series color

Scientific training requires accurate measurement and user-friendliness, and the new ULTEGRA R8100 power meter has both. Its dual-sided measurement is accurate within 2.0% and zero offset calibration is a quick and easy process. Perhaps most importantly, its long battery life, easy recharge, and ANT+ and Bluetooth®LE connectivity makes using and recording your workouts easier than ever.

BENEFIT

Integrated, waterproof, and rechargeable Li-ion battery

FEATURE

Up to 226+ hours of ride time * Depending on ANT+/Bluetooth®LE settings

BENEFIT

Accurate data collection

FEATURE

±2.0% strain gage accuracy throughout the entire calibration range

FEATURE

Proprietary strain gauge

BENEFIT

Possible to start quickly

FEATURE

Simple zero offset calibration with switch on transmitter

BENEFIT

Active temperature compensation

FEATURE

Software automatically compensates for temperature changes

BENEFIT

The provision of new force vector data makes it the optimal training tool to analyze and improve pedal stroke efficiency

BENEFIT

With SHIMANO CONNECT Lab, you can analyze and visualize your training and power data

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FEATURED TECHNOLOGY

HOLLOWTECH II
HOLLOWTECH II

Providing the best balance of stiffness, strength, weight and rotating performance
The concept of HOLLOWTECH II technology is focused on producing a superior crankset which will maximize a rider's power transfer. The rigidity of the crankset ensures pedaling efficiency while its weight a key element of the crankset you want light aids in cycling longer distances over which the rider needs to pedal more. Naturally SHIMANO strove for the optimum balance between the conflicting needs of stiffness while producing a lightweight crank.
HOLLOWTECH technology is an ultra-lightweight hollow crankarm created by SHIMANO with the company's own proprietary forging technology that also maintains rigidity. The addition of HOLLOWTECH II technology integrates the bottom bracket axle with the right crankarm for more stiffness and a weight savings toa chieve a high-dimensional balance. Its outboard bottom bracket bearing system provides better weight distribution and more pedaling stability allowing for more efficient power transfer.
The HOLLOWTECHII crankset has been developed by pursuing the optimum balance of stiffness &rotating performance in a lightweight and beautiful crankset design.
POWER METER TECHNOLOGY
POWER METER TECHNOLOGY

There's more to going fast than just pedaling harder.
Speed is Science.
Introducing the new power meter from SHIMANO.
Accurately visualize your pedal stroke with the Force Vector feature.
Analyzing your pedaling enables you to train more effectively.
Become the fastest rider you can be with a SHIMANO power meter.
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