SRAM X-SYNC 2 12 Speed Direct Mount Chainring - SRAM Direct Mount - 3mm Boost - Round - Polar Grey - 32T Heavy/Bulky This shifter is only compatible

This shifter is only compatible with Microshift Advent derailleurs and is not compatible with Shimano or SRAM

Frame - Fits into a 41mm Non-Threaded Bottom Bracket Shell

The heel sits deep in the shoe and shoes hug the foot — this is quite a narrow

PIVOT DESIGN - Horizontal Parallelogram design

435 Chromoly steel spindles

SRAM X-SYNC 2 12 Speed Direct Mount Chainring - SRAM Direct Mount - 3mm Boost - Round - Polar Grey - 32T Heavy/Bulky This shifter is only compatibleSince 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