Shimano Ultegra R8000 39t 110mm 11-Speed Chainring for 39/53t CheckoutSpec= Chilli Central Torso Architecture helps keep

Central Torso Architecture helps keep seat pad in place

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Shoe size 9 Color Black Core Yes

Cold-forged and machined aluminum design with 31

Shimano Ultegra R8000 39t 110mm 11-Speed Chainring for 39/53t CheckoutSpec= Chilli Central Torso Architecture helps keepShimano Ultegra R8000 39t 110mm 11 Speed Chainring for 39 53t. This 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