This 10 speed chainset features a solid-forged aluminium construction, which makes it more than capable of handling all the abuse that's associated with long days in the mountains. FSA has also equipped this model with a sandblasted finish, so you can benefit from its superior durability as you weave between the mountain bike trails. Suitable for use with Mega Exo bottom brackets (sold separately), this model is fully equipped with ramps & pins for fast & quiet shifts. One final highlight is its included chain guard, which offers additional protection from rocks, tree roots & debris on your off-road adventures.