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7 External Adjustments Bottom Out Resistance Positive Spring Coil Eye to eye length (mm) 230
Weighs 2 lb 12 oz
Head: ABS-1 Pro
Repeatability: +/- 0
Shimano Ultegra R8000 39t 110mm 11-Speed Chainring for 39/53t MFPN=RTA-12-172-1.5 7 External Adjustments Bottom OutThis 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
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