If you are looking for absolute shifting perfection, look no further. With 4 upshift ramps, rivets for both outer and inner ling engagement,and 14 perfectly times sweet spots, the TruVativ XX Chainrings will keep your 2 by 10 bike shifting better than you ever thought possible.
- XX-designed splined spider and chainring set to fit Specialized's S-Works hollow-carbon/hirth-joint cranks with removable spider
- X-Glide chainring combinations engineered with 13/14t common-denominators enabling perfectly timed/placed shift-points
- 4-arm 2x10sp, 6mm 7075-T651 tungsten grey hard-anodized aluminum rings with optimized X-Glide shift pins/ramps, 1-piece alloy 7075-T6 Torx-T25 chainring bolts (bolts thread into spider or big chainring)