absoluteBLACK Premium Round 110 BCD Road Inner Chainring Shimano Dura-Ace 9100 - 38t 110 Shimano Asymmetric BCD 4-Bolt BLK ModelNumber=H2389 Reduces friction and energy consumption

Reduces friction and energy consumption

Cassette Body Type SRAM XD 11/12 Speed Defined Color Black Hub/Brake Compatibility 6-Bolt Disc ISO Diameter 622 / road / 29" Rear Axle 12mm Thru x 142mm Rim Width (Internal) 26 Tire Type Tubeless Ready Clincher Valve Presta Wheel Size 29"

}Sun Ringle Duroc SD37 Expert Front Wheel - 29" 15 x 110 mm / 20 x 110 mm 6-Bolt Black

Length 280 Gender/Age Unisex Color Black Rail Material Chromoly Weight 247 Saddle Cut Out No Width 148 Material Synthetic Defined Color Black Clamp Style Std Rails

absoluteBLACK Premium Round 110 BCD Road Inner Chainring Shimano Dura-Ace 9100 - 38t 110 Shimano Asymmetric BCD 4-Bolt BLK ModelNumber=H2389 Reduces friction and energy consumptionabsoluteBLACK Premium Round 110 BCD Road Inner Chainring for Shimano Dura Ace 9100 38t 110 Shimano Asymmetric BCD 4 Bolt Black. absoluteBLACK Premium Round 110 BCD Road Chainrings utilize absoluteBLACKs top tier design features. They are designed for new and old Shimano 4 arm cranks such as Dura Ace 9100 9000 Ultegra 8000 6800 & 105 R7000 and more. Optimized with smooth shifting in mind premium chainrings have a 6 point ramp and recess design.