Shimano Dura-Ace 9000 Chainring - 50 Tooth 11-Speed 110mm BCD For 50-34T Combination No L-key set for hexagonal socket

L-key set for hexagonal socket screws and Torx screws

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

model Vice Shaft Clamp description large

Adjustable for different heights with a bottom strap the bright red shock cord secures bottles even on bumpy trails or jumps

Shimano Dura-Ace 9000 Chainring - 50 Tooth 11-Speed 110mm BCD For 50-34T Combination No L-key set for hexagonal socketThis 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