BOX One Prime 9 Chain DLC - Black Model=Thumb-Tap Shifters Compatible with SRAM 3-Bolt Direct

Compatible with SRAM 3-Bolt Direct Mount cranks and 11 and 12 speed SRAM and Shimano chains

8mm 40cmSilver

Improved mud shedding capability and chain retention

Tooth Count 34 Ring Position/Type Outer Drivetrain Speeds 11 Chainring BCD 96 Shimano Asymmetric Color Black Defined Color Black Material Aluminum

Rail/Grip damper with compression sweep adjustment

BOX One Prime 9 Chain DLC - Black Model=Thumb-Tap Shifters Compatible with SRAM 3-Bolt DirectPrime 9 Technology for wide range without complexity Wider chain is strong and durable 9 speed chain has outer width of normal 9 speed but a narrower inner width to match 10 11 speed narrow wide chainrings. Compatible with most 10, 11, and 12 speed chainrings as well as BMX 3 32 inch chainrings and cogs 8 speed chain has outer width of normal 8 speed but a narrower inner width, optimized for use with Box Four Narrow Wide chainrings 3rd party web sales