Shimano Dura-Ace SL-BSR1 11 Speed Mechanical Shifter (Black) Cleat-SPD Flathead Screwdriver 4

Flathead Screwdriver 4

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3 or CT-6

But speed can’t be neglected either

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Shimano Dura-Ace SL-BSR1 11 Speed Mechanical Shifter (Black) Cleat-SPD Flathead Screwdriver 4For triathlon and time trial bikes, SHIMANO DURA ACE SL BSR1 bar end shifters deliver precision shifting with a sleek aerodynamic design. Features Precision engineered 11 speed index bar end shift lever Benefit from dual control functionality, enabling seamless shifting from both drop handlebars and aero bars, catering to various riding positions and preferences. Crafted from high quality materials, the shifter maintains durability while remaining