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Half-ring: Adjustable ring connected to adjustment system enclosing half of the head
improves durability
Body Material: Nylon Composite
Muc-Off Dry Lube is a highly versatile
And there's no need to worry because Muc-Off Dry Lube is *biodegradable
Shimano DURA-ACE CN-HG901 11sp Chain sram Half-ring: Adjustable ring connected toShimano Dura Ace HG901 is a premium 11 speed chain engineered for top tier road and mountain drivetrains. Featuring Shimanos SIL TEC surface treatment and an asymmetric plate design, it delivers ultra smooth shifting, reduced noise, and enhanced durability. Compatible with Dura Ace, Ultegra, and XTR systems, its also rated for E bike use and includes a quick link for easy installation. Specifications Use: Road, MTB, and E bike (11 speed systems)
