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ISMBB7241B
BB Bearing Steel BB Shell Type BB30 BB Shell Width 68/73mm Crank Spindle Diameter 28
Compatible only with FD-R9100/FD-R8000/FD-R7000/FD-5801 front derailleurs
technical dowhnill stretches
BR-R317 Mirrors ISMBB7241BSora grade road mechanical disc brake Adjustable pad clearance for easy set up Super lightweight low profile body Forged one piece alloy increases rigidity and reduces weight Long arm maximises performance for light braking control with Super SLR EV brake levers Shim less mounting system for quick and easy setup Post mount caliper; use adapters to adjust to rotor size or to fit on Flat mount or ISO frames and forks Refer to Documents and links to find
