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Derailleurs (back)

See the new Shimano XTR rear mech in action

Last week we brought you news of the Shimano XTR rear mech with its novel approach to solving chainslap.

A clutch ‘stabiliser’ system, basically a switch at the pulley cage which increases the spring tension, is intended to only allow small movements for chain growth but drastically cuts down the range of movement when you’re rattling down a steep and rough descent.

Hit play on the video above to see it in action.

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