Shimano GRX RX820 12-spd Rear Derailleur

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Description

Shimano GRX RX820 12-spd Rear DerailleurThe Shimano GRX RX820 12 speed rear derailleur is designed for gravel use with 2x drivetrains and a wide range road bike cassette. It has quiet, reliable shifting and excellent chain security. RD RX820 is compatible with 34 and 36 teeth on the largest cassette sprocket. It also features Shadow Plus technology, an integrated chain stabiliser, which prevents the chain from slapping on rough surfaces and thus counteracts chain drop. The function can also

they are a convenient solution to protect your bike from quick theft in one easy step

are durable yet lightweight

when you’re feeling a little zesty on your next road tour

MATERIAL: 1800 / 840 denier nylon

These are 6 mm long so they work perfectly with any bolt on single chainring that does not have threaded standoffs

Length: 60mm

The BBT-18 is a heavy duty

Fits wheel dimensions 3-5” to enable transport of fatbikes

Flat Protection: Armadillo

You know how annoying it is to look at your cleaned and gleaming wet bike and feel all proud of your hard work

the ratchet drive internals are precise and sturdy

Commuting in the city