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Shimano 105 RD-R7100 derailleur, 12-wheel, OEM

70.99 €
RRP 83.99 €
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From 30.01.2026 (Friday) Check availability
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Delivery method on Monday 02.02.2026
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Delivery method on Monday 02.02.2026
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Shimano 105 RD-R7100 derailleur

Shimano 105 RD-R7100 is a mechanical 12-speed derailleur designed for road bikes that offers a clean shifting experience. This model is a tribute to mechanical gear shifting technology, emphasizing handwork and ingenuity. No worries about technology or charging batteries, just your pedal power, your shifting technique and the road ahead. Reliable and consistent shifting, time and time again. It brings a large range of gears and low gradation, which will be appreciated especially by cyclists who want to conquer every hill and ride at high speeds.
Product features
It offers a wide range of gears and low gear ratio
Reliable and consistent shifting, time and time again
The ideal choice for cyclists who appreciate mechanical precision
Product details
Groupset Shimano 105
Gears 2x12, 1x12
Control type mechanical
Min./Max. the size of the large cassette pinion 34T/36T
Min./Max. the size of a small cassette pinion 11T/11T
Range 41T
MAX number of teeth of the largest sprocket 36 teeth
Max. difference between chainring teeth 16 teeth
Technology Shadow RD
Weight 249 g
product ID 291000
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WARNING
For information about installing, adjusting, and replacing products that are not found in the user's manual, please consult the place of purchase or a distributor. A dealer's manual for professional and experienced bicycle mechanics is available on our website (https://si.shimano.com).
For safety, be sure to read this “user's manual” thoroughly before use, follow it for correct use, and save it so that you can refer to it at any time.
The following instructions must always be followed in order to prevent personal injury and physical damage to 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.
CAUTION - Failure to follow the instructions could result in personal injury or physical damage to equipment and the environment.

WARNING
- Do not disassemble or modify the product. This may cause the product to malfunction, you may fall unexpectedly and be seriously injured.
- Never use alkali or acid-based solvents such as rust removers. If a solvent is used, the chain may break and cause serious injury.
- Clean the chain regularly with a suitable chain cleaner. The intervals between maintenance depend on the circumstances of use and riding.
- Check that the chain is not damaged (deformed or cracked), does not skip or show any other anomalies, such as arbitrary gear changes. If any problems occur, contact the place of purchase or a distributor. The chain may break and you may fall.

Shimano
Road Shimano
Japanese manufacturer produces road, mountain, gravel, trekking, BMX and e-bike groupsets. They also offer a whole series of components and apparel. Their range goes from wheels, footwear, eyewear to backpacks. Shimano is a traditional manufacturer known for their quality work, which is why they are the favourite choice of amateurs and professionals.
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