absoluteBLACK Premium 1X Cyclocross 110/4 bcd Oval narrow-wide chainrings are designed for Shimano 4 bolt cranks like Dura-Ace 9100, 9000, Ultegra 8000, 6800 and many others, apart from GRX. Perfect choice for Cyclocross and Gravel 1X setup with road cranks. Delivered with mounting bolts. Chainring has 1.5mm offset towards frame for perfect chainline.

Size (Mass +/-1g): 38T (61g), 40T (65.5g), 42T (71g) Bolts included to every chainring (mass given for chainring only)
Colour: Black
Compatibility: Shimano Dura-Ace 9100, R9120, R9150 & R9170 Di2, Ultegra 8000, R8020, R8050 & 8070 Di2., 105 R7000, R7020, R7070, Dura-Ace 9000, Ultegra 6800, Shimano 105 5800, Tiagra 4700 ; Not compatible with our bolt covers
Material: cnc machined 7075 Txxx Aluminum. Long-lasting construction
Finish: type II anodizing
Ovality: 10.5-11.4% ; Timing of 112-113° after TDC (top dead center) - Patent Pending

Advantages of our special Oval narrow wide chainrings:

• 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