This particular product is a Standard Mount 210mm x 47

5mm Brown Plugs and 10x 3

Interlok®: Interlok® spacer compatible

Bearings: Front - MR17287

decreasing friction

Microshift Advent MX H-Series 10 Speed SpeedRamp Cassette - 10 Speed - Shimano HG Splined - 11-48T - Black PLP|Largest Cog This particular product is aThe Advent MX cassette is the smoothest shifting, most durable cassette that we've ever made. That all starts with SpeedRamp, a series of discrete shifting ramps that move the chain quickly, quietly, and precisely under load. With separate ramps for moving the chain up and down the cassette, MX delivers fast, quiet shifts so you can concentrate on enjoying the ride. Features SpeedRamp technology delivers faster, quieter shifting Replaceable small cogs