Microshift Advent MX G-Series 11 Speed SpeedRamp Cassette 11-50 XD Driver

The Advent MX cassette is the smoothest shifting, most durable cassette that we’ve ever made. That all starts with SpeedRamp, a series of 64 discrete shifting ramps that move the chain quickly, quietly, and precisely under load. The cogs themselves have been upgraded as well: the profile has widened to 1.8mm, and the first seven cogs (11-28) have been constructed using full chromoly steel, helping to outlast even the most robust competitors.
Compatible with XD driver hub bodies
SpeedRamp technology delivers faster, quieter shifting
Thicker chromoly cogs from 11t to 28t for 500% durability increase over hi-tensile steel
Replaceable small cogs extend service life
Nickel plated finish for less visible wear
Rated for E-bikes
550g
Compatible with Advent MX