Microshift Advent MX G-Series 11 Speed SpeedRamp Cassette - 11 Speed - XD Driver - 11-50T - Silver Envelope Shipping The exceptional lens optics impress

The exceptional lens optics impress with a powerful central beam that broadens to provide excellent peripheral lighting

When your pins are broken or missing

Laser-cut ventilation

Built from durable 600D polyester fabric

Microshift Advent MX G-Series 11 Speed SpeedRamp Cassette - 11 Speed - XD Driver - 11-50T - Silver Envelope Shipping The exceptional lens optics impressThe 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. Features