SHIMANO BR-R451 DUAL-PIVOT REAR BRAKE CALIPER has_product_type The X9 9-speed chain from

The X9 9-speed chain from KMC without directional dependency for 9-speed derailleur systems

Features All Terrain Cycles 'Proud to be Yorkshire' Jersey

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Formulated with Teflon fluoropolymer

SHIMANO BR-R451 DUAL-PIVOT REAR BRAKE CALIPER has_product_type The X9 9-speed chain fromWith a longer drop to make it compatible with larger tyre sizes, the R451 Brake Calliper (57mm Drop) delivers fast pad to rim engagement and powerful stopping ability. It's also compatible with a wide range of Shimano's drop bar levers. The super SLR dual pivot design of the Shimano R451 road bike brake keeps operating friction to a minimum, improving braking performance. The 57mm drop is measured from the central mounting bolt to a virtual point