BOX Two Prime 9 Chain (126L) - Silver MFPN=MR-20-1-105 Rotor and adapter sold separately

Rotor and adapter sold separately Brake Lever Actuation Hydraulic Brake Caliper Type Post Mount Rotor Included No Brake Lever Use Left

Its extra-wide range front double gearing and versatile 2x9/10-speed design give you the freedom to explore

and superior performance for high frequency use

Classics-racing stiff

The CeramicSpeed BB92 bottom bracket offers bearings with extremely low friction improved power transfer and a service life that far exceeds traditional steel bearings

BOX Two Prime 9 Chain (126L) - Silver MFPN=MR-20-1-105 Rotor and adapter sold separatelyPrime 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