SHIMANO Cranks Ultegra FC-R8100 175mm 50/34z. 12-k. with power meter

Optimal balance of stiffness, strength, weight and rotational performance. HOLLOWGLIDE shifter structure reduces weight but maintains strength for better power transfer and faster, more precise shifting.
Integrated, waterproof and rechargeable lithium-ion battery. Endurance up to 300+ hours of riding depending on ANT+/Bluetooth®LE settings. Double-sided power measurement with an accuracy of ± 1.5%. When measuring, the software automatically compensates for temperature changes. Recommended center composition: SM-BBR60, SM-BB7241B Used technologies: Hollowtech II, Hollowglide, Bluetooth, ANT+, E-tube Type: ROAD, Total package weight: 1535g, Crank length: 175 mm, 12 speed, Number of teeth: 50/34 teeth, Hollowtech II, 68/70mm, black, without cover, Converter material: aluminum (upper), aluminum (lower), Converter pitch: 110mm/110mm

LEAVE TIME BEHIND
Escape the everyday stereotype, discover endless possibilities and a sense of freedom. Find out what really matters and get ahead of the times with the new Ultegra.

Safety Notice
CAUTION
For product installation, setup and replacement information not found in the user manual, you will be provided at the point of purchase or distributor. The dealer's manual intended for professional and experienced bicycle mechanics can be found on our website (https://si.shimano.com).
For safety, please read this "user manual" carefully before use, follow it for proper use, and save it for future reference.
The following instructions must be followed at all times to avoid personal injury and physical damage to the equipment and the environment. The instructions are classified according to the degree of danger or damage that may occur if the product is used incorrectly.
DANGER - Failure to follow the instructions will result in death or serious injury.
WARNING - Failure to follow the instructions could result in death or serious injury.
WARNING - Failure to follow the instructions could result in personal injury or physical damage to the equipment and surroundings.

DANGER
- When charging the battery, use the designated charging cable. Use of any other items may cause fire, overheating, leakage or damage to the connected PC.
- Avoid getting the charging cable wet and do not touch or hold it when it is wet or when your hands are wet. Failure to do so may result in operational problems or electric shock.
- Use an AC adapter with a USB port with a voltage of 5.0V DC and a current of at least 0.5A DC. If you use an adapter with a current rating of less than 0.5A, the AC adapter may heat up and cause fire, smoke, heating, damage, electric shock, or burns.
- Do not heat the battery or throw it into a fire. Failure to do so may result in fire or rupture.
- Do not use or leave the battery in hot or humid places where the battery may be exposed to direct sunlight, in a closed vehicle on a hot day, or near a heater. Failure to do so may result in fire, burns, or other injuries due to leakage, overheating, or rupture.
- Do not disassemble or modify the battery; also, do not apply solder directly to the battery terminals. Failure to do so may result in fire, burns, or other injuries due to leakage, overheating, or rupture.
- Do not touch the metal clips with metal objects such as hairpins. Failure to do so may result in short circuits, overheating, burns, or other injuries.
- If liquid leaking from the battery gets into your eyes, immediately rinse the affected area with water without rubbing your eyes, and then seek medical help. Failure to do so may result in blindness.

WARNING
- Do not disassemble or modify the product. It may cause the product to malfunction, you may fall unexpectedly and be seriously injured.
- Before riding the bicycle, check that the crank arms are not cracked. If there are any cracks, the crank arm may break and you may fall off the bike.
- Be careful not to catch parts of your clothing on the chain while riding, otherwise you may fall off the bike.
- Always hold the plug of the cable when connecting or disconnecting the charging cable. Failure to do so may result in fire or electric shock.
- Do not leave this product in an extremely high temperature environment, such as in a closed vehicle on a hot day, or near a
heater. This may lead to the explosion of the built-in battery or the leakage of flammable liquid or gas from it.
- Do not expose this product to extremely low air pressure. Doing so could cause the built-in battery to explode or leak flammable liquid or gas. Air transportation of this product is not a problem.
- If the following symptoms occur, stop using the device and contact the place of purchase. A fire or electric shock may occur.
* If there is a pungent smell of smoke coming from the power plug or the plug becomes hot.
* there may be a bad connection inside the power plug.
- If there is a buzzing sound during charging with the USB port AC adapter, do not touch the device, the bicycle, or the AC adapter. If struck by lightning, electric shock may occur.
- Do not use a USB hub to connect the cable to the USB port of the PC. Charging failure or fire may occur due to overheating.
- Be careful not to damage the charging cable. Do not damage, modify, forcefully bend, twist, or stretch them, place them near hot objects, place heavy objects on them, or tie them tightly together. If used in a damaged condition, fire, electric shock or short circuit may occur.
- If the battery is not fully charged after 4 hours of charging, stop charging. Failure to do so may result in fire, rupture, or overheating.
- Follow all federal, state, and local environmental regulations when disposing of this product because it contains a battery. Disposing of this product in a fire or a hot oven or mechanically crushing or cutting it may cause the built-in battery to explode.
- Do not immerse the product in fresh or salt water, etc., and prevent the terminals from getting wet. Failure to do so may result in fire, bursting or overheating.
- Do not use the battery outside the specified operating temperature ranges. If the battery is used or stored at temperatures outside these ranges, fire, injury, or operational problems may occur. Operating temperature ranges are listed below.
1. During discharge: -10 °C - 50 °C
2. During charging: 0 °C - 45 °C
- Do not subject the product to strong impact or throw it. Failure to do so may result in cracking, overheating, or problems during operation.
- Do not use the battery if it shows liquid leakage, discoloration, deformation, or other unusual signs. Failure to do so may result in cracking, overheating, or problems during operation.
- If the leaking liquid touches your skin or clothing, wash it off immediately with clean water. Leaked liquid may damage the skin.
- Keep the magnet supplied with this product away from magnetic cards, medical devices, inspection instruments, etc. This may cause data loss or malfunction.

CAUTION
- Be careful not to touch the gear teeth. There is a possibility of injury.
- Store in a safe place out of the reach of small children to prevent accidental ingestion.
- This product contains a powerful magnet and should be handled with care. There is a danger of catching and injuring the hand or fingers.
- Avoid the grease sticking to the metal clamps. This may cause wiring failure.
- Do not leave the charging cable connected while performing maintenance

Manufacturer Information
Shimano INC
3-77 Oimatsu-cho, Sakai-ku, Sakai City, Osaka 590-8577, Japan
Telephone Number: +81-72-223-3210 / FAX:+81-72-223-3258
WEB: shimano.com
Email: contactshimano@shimano-eu.com

EU representative:
Shimano Europe BV
High Tech Campus 92, 5656 AG Eindhoven, the Netherlands
Tel: +31-40-2612222
WEB: shimano.com
Email: contactshimano@shimano-eu.com
EU contact: https://bike.shimano.com/information/distributors-list.html