SRAM X-SYNC 2 12 Speed Direct Mount Chainring - SRAM Direct Mount - 3mm Boost - Round - Black - 34T YGroup_7033404227629 The ergonomically designed BO-2 is

The ergonomically designed BO-2 is engineered and built to provide tremendous leverage

and this is one of their most useful

This 2 slot base with 2 threaded mounting holes is the shortest base designed for moving a bottle around to an optimal location on a smaller or dual suspension frames or to mount B-RAD accessories to an unused set of bottle cage mounts

The F15 includes spoke wrenches and a chain tool which the smaller F10 does not include

creating a quieter and more secure connection

SRAM X-SYNC 2 12 Speed Direct Mount Chainring - SRAM Direct Mount - 3mm Boost - Round - Black - 34T YGroup_7033404227629 The ergonomically designed BO-2 isSince day one, SRAM has been dedicated to providing riders with component options that fit their own individual riding style. It's undeniable that some riders pedaling styles benefit from oval chainrings, so we've engineered the new X SYNC 2 Oval chainrings to give them the advantage they want. They are the only oval option available with our genuine X SYNC 2 teeth profile, so they are the only oval chainrings on the market that are 100 percent