Shimano Dura-Ace SL-BSR1 ShiftersThe right-side/rear shifter is 11-Speed index-only left-side/front is 2-Speed. All bar-end road shifters produced after Nov 2008 have an I.D. spec fit range of 19-22mm
| Double or Triple | Double |
| Rear Der/Shifter Compatibility | Shimano Road |
| Mount Type | Downtube |
| Drivetrain Speeds | 11 |
| End Type | Shimano/SRAM |
| Front Der/Shifter Compatibility | Shimano Road |
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