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Shimano GRX FC-RX820-2 HTII cranks, 2x12, 48x31T

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Shimano GRX FC-RX820-2 HTII cranks

Gravel cycling has its roots in simplicity, inclusiveness and curiosity. Everyone from beginners to grizzled veterans rely on Shimano GRX, the first gravel-specific set - for smooth shifting, reliable braking and exceptional off-road comfort.
Product details
Groupset Shimano GRX
Gears 2x12
Crank length 170 mm, 172.5 mm, 175 mm
Axis type 24 mm (Shimano/FSA...)
Material Aluminium alloy
Technical designation FC-RX820-2-12
Converters 48/31T
Technology HOLLOWTECH II
Chainline 47 mm
Q-Factor 151 mm
Spacing 110/80 mm
Recommended chain 12-speed HG
Package contents right crank with axle and gears, left crank, nut
Weight 721 g (172.5 mm)
Recommendation. central composition threaded: SM-BBR60, pressfit: SM-BB72
product ID 244669
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comment Product question

WARNING
For assistance with installation, adjustment, and replacement of products not found in the user's manual, please consult the place of purchase or a distributor. A dealer's manual intended 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 back to it at any time.
The following instructions should always be followed in order to prevent personal injury, physical damage to equipment and the surrounding area. 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 surrounding area.

WARNING:
Do not disassemble or modify the product. This may cause the product to not operate correctly, and you may fall unexpectedly and be seriously injured.
Before riding the bicycle, check that the crank arms are not cracked. If there are cracks, the crank arm may break and you may fall off the bicycle.
Be careful that parts of your clothing do not get caught in the chain during riding. If they do, you may fall off the bicycle.

CAUTION:
Be careful and do not touch the gear teeth. There is a danger of injury.

Shimano
Road and gravel 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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