Shimano Ultegra R8000 39t 110mm 11-Speed Chainring for 39/53t MFG Part Number-E-SL02A-1 CNC machined from a solid

CNC machined from a solid billet of 2014 T6 aircraft spec aluminum alloy increases caliper stiffness for better efficiency

cr-moly Pedal Bearings: thrust bearings / IGUS bushings Pins: replaceable SAP (1/8" x 8mm) pins

SOLE FLEXstiff

Precision ground

Model Pro Size 27

Shimano Ultegra R8000 39t 110mm 11-Speed Chainring for 39/53t MFG Part Number-E-SL02A-1 CNC machined from a solidThis Shimano chainring allows you to update your Ultegra FC R8000 11 speed crankset with a chainring configuration to best fit your riding style. Integrates Shimano Hollowglide Technology: the high rigidity hollow structure cuts down on weight yet maintains strength to provide better power transfer and quicker more precise front shifting Features a weight saving 4 bolt design with a BCD of 110 mm Ring Position Type Inner Tooth Count 39 Drivetrain