Our Premium 1X Cyclocross 110/4bcd oval chainrings are designed specifically for APEX 1 cranks that feature asymmetric 110/4bcd bolt pattern. They are not compatible with other cranks. Narrow-wide chainring design. 9, 10, 11 and 12spd Eagle compatible. Use original Sram bolts

Ovality: 10.5-11.4% ; Timing of 112-113° after TDC (top dead center) - Patent Pending
Size: 38T, 40T, 42T

• Finest design to provide excellent weight to strength ratio
• One of a kind special oval shape (Patent Pending)
• Unique Patent Pending narrow-wide teeth profiles to keep your chain in place for minimum 12 months!
• Special 3D teeth machining for ultimate mud relief decrease wear and noise dramatically
• Designed to handle mud and grass with easy
• Superb quality and great look.
• You will ride faster using ovals. If you keep using round ring then others will get quicker.
• Reduces stress on knees and helps to maintain your legs fresher for longer
• You will not "feel" the oval shape at all

Fits ONLY SRAM APEX 1 cranks that feature asymmetric 110/4bcd bolt pattern. Use original SRAM mounting bolts.