ABSOLUTEBLACK OVAL DIRECT BOOST148 30T OIL-SLICK SPLINED 19mm Redesigned shape to work with

Redesigned shape to work with modern wider frames and large tires for improved clearance

Innovative 4-arm spider design that trickles down all the way from the Super Record version to allow for an independent BCD -increased rigidity and structural integrity

Same great quality as AB`s other rings with less machining and detail which passes the saving on to the end user

Full hydraulic single speed disc brake system for road and CX

ABSOLUTEBLACK OVAL DIRECT BOOST148 30T OIL-SLICK SPLINED 19mm Redesigned shape to work withGXP Long spindle BB30 Chainring mounts to any GXP crank and adapts it to a Boost 148 chainline Oval chainrings have been shown to improve traction and reduce leg fatigue 52mm boost 148 specific chainline 11 percent ovality 7075 Aluminum construction