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Friction front shifting is compatible with both double and triple cranks,
Rear shifter can be converted from index to friction
Includes cables housing and downtube braze on mounted cable stops
Compatible with 11 speed drivetrains
Shimano Reference Number SL BSR1
The Shimano Dura Ace BSR1 barend shifter sets the standard for functional durability. With few moving parts and a rear shifter than can be switched to friction mode, these shifters are the perfect choice for touring, commuting and everything in between.