ABSOLUTEBLACK OVAL 110mm 52T 4B ASYMMETRIC 2X OIL-SLICK SINGLESPEED / TRACK stud-mounted hydraulic rim slave cylinders

stud-mounted hydraulic rim slave cylinders

Abec-5 angular contact bearings

135 or 142 millimetres

24mm compatible 15/16` bore with 19 and 22mm adapters included

CNC machined AL7075 Swiss Alloy

ABSOLUTEBLACK OVAL 110mm 52T 4B ASYMMETRIC 2X OIL-SLICK SINGLESPEED / TRACK stud-mounted hydraulic rim slave cylindersOval 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