SRAM X-SYNC 12 Speed Chainring - Four Bolt - 107 BCD - Standard Crank Chainline - Oval - 42T - 12 Speed - Blast Black - Alloy Images Uploaded - Ready for Review Disc 27 (Shimano XTR) -

Disc 27 (Shimano XTR) - Shimano XTR BR-M9120

By utilizing a design that closes off the common bleed port

An alignment gauge is essential for diagnosing and repairing bent or misaligned derailleur hangers which are often the source of shifting problems

BBS4612: 12 notch BB socket for 46mm diameter notch pattern

PFC free DWR treatment provides water repellency

SRAM X-SYNC 12 Speed Chainring - Four Bolt - 107 BCD - Standard Crank Chainline - Oval - 42T - 12 Speed - Blast Black - Alloy Images Uploaded - Ready for Review Disc 27 (Shimano XTR) -SRAM's X Sync Road Chainrings are designed for provide maximum control when used with AXS road cranksets. X SYNC wide tooth, narrow tooth chainring technology provides maximum chain control Laser etched chainring finish is more durable X Range gearing technology gives you more range and a smoother gear progression, so you re always in the right gear Can be installed with a single tool, making gearing changes a breeze Chainring bolts not included