ABSOLUTEBLACK OVAL 110mm 39T 4B ASYMMETRIC 2X OIL-SLICK SINGLE SPEED CONVERSION This bottom bracket fits most

This bottom bracket fits most 30mm spindle cranks on BB86 and BB92 frames and includes Road seals

Lazer etched logo with CNC machined silver detail

This high-grade fully nickel-plated chain is perfectly suited for every terrain

An updated design with the same dimensions of previous years

ABSOLUTEBLACK OVAL 110mm 39T 4B ASYMMETRIC 2X OIL-SLICK SINGLE SPEED CONVERSION This bottom bracket fits mostOval 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