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Ships within 48 hours · Estimated delivery Aug 23 - Aug 28
CNC-machined from 6061-T6 aluminum Box Two Brake Post Extenders easily mount to any frame’s existing cantilever brake bosses and provide an additional 16 mm of brake arm positioning
Easily mounts to handlebar and frame or fork
Custom waterproof carrying bag included
Weight: 875g (per pair
2mm diameter quill
Shimano Dura-Ace R9100 39t 110mm 11-Speed Chainring for 39/53t MFPN=ST21-DA242835-BK CNC-machined from 6061-T6 aluminum BoxThis Shimano chainring allows you to update your Dura Ace FC R9100 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
US$ 399.98
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