ABSOLUTEBLACK OVAL DIRECT BOOST148 30T OIL-SLICK SPLINED 19mm Innovative 4-arm spider design that

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

Supports E-Type front derailleurs

Slick compressionless gear cable/housing kits offer smooth

Full hydraulic single speed disc brake system for road and CX

SHIMANO Equivalent BR-2400

ABSOLUTEBLACK OVAL DIRECT BOOST148 30T OIL-SLICK SPLINED 19mm Innovative 4-arm spider design thatGXP 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