The I-Beam IB-1 includes:

Performance-focused open-face trail helmet

The compact 2 finger bar end is made out of a durable fiberglass reinforced composite

Single TLD low profile snap button with Velcro backing ensures solid closure without added bulk

The GA2 offers comfort and control for the most demanding trails

Microshift Advent MX G-Series 11 Speed SpeedRamp Cassette - 11 Speed - XD Driver - 11-50T - Silver PLP|Colour The I-Beam IB-1 includes: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. Features