Certain competitors of Shimano have demonstrated the market's demand for a twelve speed mountain drivetrain, and no wonder: there are seemingly endless options for soaring up every steep, while retaining power-packing options for the flats and steeps. Being the keen observers of the industry they...

More Info

Shimano craftsmanship reaches new heights with the XTR 12-speed groupset. These Hollowtech II crank arms feature a lighter and stiffer design, and simple-to-change direct-mount chainrings with a single key release, allowing you to feel things out with your new 12-speed configuration and find the...

More Info

As the premier option in Shimano's 12-speed mountain lineup, the XTR FC-M9130-1 Crank Arms offer low weight, superb durability, and excellent chain retention. This model is made for mountain bikes with 12 x 157mm Super Boost rear hub spacing, utilizing a 56. 5mm chainline for optimal frame...

More Info