Shimano CS HG400 9Speed Cassette Sprocket Size:11-34T A new geometry equates to

A new geometry equates to a lower center of gravity for extended fit range

with the smallest possible ecological footprint

7mm ultra-fine flexible memory wire provides an ergonomic fit that can gently adapt to your natural ear shape

so you can own less & do more

Updated with ultra-soft

Shimano CS HG400 9Speed Cassette Sprocket Size:11-34T A new geometry equates toSHIMANO's HG400 9 delivers reliable 9 speed mountain bike shifting performance and a durable, silver finish. Close gear steps between primary sprockets creates smooth, comfortable pedaling 11 36T specification addition to 11 25T, 11 28T, 11 32T, 11 34T, 12 36T specs (11 25T, 11 28T not for RD M4000 M3000) HYPERGLIDE technology Lightweight design Quick and easy assembly with cassette sprocket cap