Dura Ace DI2 St-r9170 Shift/brake Lever Type_Accessories The SL-BSR1 is designed exclusively

The SL-BSR1 is designed exclusively for triathlon and time trial bikes fitted with aero bars

use only with cycling-specific

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Dura Ace DI2 St-r9170 Shift/brake Lever Type_Accessories The SL-BSR1 is designed exclusivelyThe Shimano Dura Ace Di2 ST R9170 Shift Brake Lever is the pinnacle of electronic road shifting, combining hydraulic disc brake control and precise gear changes into a single, expertly engineered unit. For Indian riders tackling Lonavala descents, Ooty switchbacks, or fast Pune training loops, this lever redefines what control at the fingertips can feel like. Use Cases Daily training. Reliable use across Indian training conditions heat, humidity, and