Shimano Dura-Ace 9000 Chainring - 50 Tooth 11-Speed 110mm BCD For 50-34T Combination No 5mm Depth 20mm Material Aluminum

5mm Depth 20mm Material Aluminum Type Tubeless Color (H/S/R) Black Weight 1150g Axle Size 12X148 Position Rear Hub Type Ratchet XD

Bearing Type Sealed Cartridge Color Black Defined Color Black Front Axle 15mm Thru x 110mm Hub Drilling 32 Hub/Brake Compatibility 6-Bolt Disc Spoke Interface J-Bend Weight 165

A 48/31 crankset and 11–36 cassette provide close road-friendly steps with the range needed for steep dirt climbs and long mixed-surface days

Smooth and reliable shift performance

Steerer Type Tapered Lockout Switch Crown Brake Type Post Mount 160 Negative Spring Air Travel (mm) 120 Offset 51 Axle to Crown Length 530 Front Axle 15mm Thru x 110mm Maximum Tire Width 81 S

Shimano Dura-Ace 9000 Chainring - 50 Tooth 11-Speed 110mm BCD For 50-34T Combination No 5mm Depth 20mm Material AluminumThis Shimano chainring allows you to update your Dura Ace FC 9000 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 Ideal for road cycling Ring Position Type Outer Tooth