5mm Brown Plugs and 10x 3

This is our Pain-Free Support Formula and guarantee to E-MTB riding enjoyment

It'll also hold 2 x spare master links with the inbuilt magnets

Axle Component: Oversized hollow steel axle

Microshift Advent MX H-Series 10 Speed SpeedRamp Cassette - 10 Speed - Shimano HG Splined - 11-48T - Black PLP|Largest Cog 5mm Brown Plugs and 10xThe 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