34T

Round chainrings specifically compatible with Shimano cranks Dura-Ace 9100, Ultegra 8000 & 105 R7000 but can be retrofit to all 9000 and 6800 series cranksRamps on big rings are specially configured for combinations: 50/34, 52/36, 52/38, 53/39TRugged CNC machined 7075 aluminum constructionUse original bolt when changing inner ring only, long bolts when changing outerSuper stiff design due to thicker, 5mm construction110mm 4-bolt34T7075ALOil Slick10/11/12spStandard ...

 One of a kind special oval shape that helps you climb easier and faster  Allows use of an oval small ring with a round large ring, or 2 oval rings Over 15% stiffer than Rotor Qrings due to thicker, 5mm construction  Superb quality with great 6 point shifting design  Reduces stress on knees and helps to maintain your legs fresher for longer Provides excellent weight to strength ratio  110mm 4-bolt 34T 7075AL Black 1/9/10/11/12sp Standa...