ABSOLUTEBLACK OVAL 110mm 34T 4B ASYMMETRIC 2X OIL-SLICK BB30 2 syringes with bleed tubes

2 syringes with bleed tubes and fittings

6 sprockets on 2 alloy spiders

Formerly Z610HX Model

while the rounded top is ideal for crank slides

Quieter than sintered pads

ABSOLUTEBLACK OVAL 110mm 34T 4B ASYMMETRIC 2X OIL-SLICK BB30 2 syringes with bleed tubesOval chainrings specifically compatible with Shimano cranks Dura Ace 9100, Ultegra 8000 & 105 R7000 but can be retrofit to all 9000 and 6800 series cranks Ramps on big rings are specially configured for combinations: 50 34, 52 36, 52 38, 53 39T Rugged CNC machined 7075 aluminum construction Use original bolt when changing inner ring only, long bolts when changing outer Super stiff design due to thicker, 5mm construction