Glass shelves · bracketed field sheets
Shimano Dura Ace R9100 55t 110mm Chainring for 55 42t CheckoutSpec= 8mm thick dropouts Weight: 786 grams pair MFPN=FTA 12 120 1.5 Weight: 786 grams pair The heel plate has a pull up climbing bar Features a weight saving 4 bolt design with a BCD of 110 mm Ring Position Type Outer Tooth Count 55 Drivetrain Speeds 11 Chainring BCD 110 Shimano Asymmetric Color Black Defined Color Black Size 55T 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
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