absoluteBLACK 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. Use original Sram bolts.

Size (Mass +/-1g): 38T, 40T, 42T
Colour: Black
Compatibility: Fits ONLY Sram APEX 1 cranks that feature asymmetric 110/4bcd bolt pattern. Use original Sram mounting bolts. Not compatible with Sram Flat Top chain and Shimano HG+ chain.
Material: cnc machined 7075 Txxx Aluminum. Long-lasting construction. Mud optimized
Finish: type II anodizing
Chainline: Same as original
Ovality: Optimized to each size separately. Range: 10.2-14.4% and Timing of 110.5-116.3° after TDC (top dead center) Patent Pending

• 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