BOX Two Prime 9 Chain (144L) - Silver Description-9mm Shaft **Will NOT work on Presta

**Will NOT work on Presta valves with removable valve cores

TR - Tubeless Ready compatible with sealant based tubeless systems or with tubes

The angled head fits Presta and Schrader valves and a special feature allows the user to adjust the flow while filling the tirePresta / Schrader with integrated dust cap Push to inflate

A CN (tight clearance) upper pulley bearing maximizes shifting accuracy while a C4 (loose clearance) lower pulley bearing promotes unconstrained chainline movement

Optimized rolling resistance – the tread pattern is designed to maintain a reasonable rolling speed making it versatile across varying terrains

BOX Two Prime 9 Chain (144L) - Silver Description-9mm Shaft **Will NOT work on PrestaPrime 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" 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 Model Box Two Prime 9