Bosch Speed Sensor Drive Unit Slim 415mm (BCH3319_415) - The smart system Model=Seatpost Fluid Accelerated Composites Evolution Technologie +

Accelerated Composites Evolution Technologie + (ACE+)Runs thousands of virtual prototypes using stiffness

} Optimized layup drops further grams from the hollow carbon arms X-Range gearing minimizes cadence change during a front shift One-piece 2x chainring results in a lighter weight

Not compatible with Shimano Tiagra 4700 road system Largest Cog 28 Rear Der/Shifter Compatibility Shimano Road Rear Derailleur Mount Type 10x1 Standard Drivetrain Speeds 10 Chain Wrap Capacity (teeth) 39 Cage Length Long Color Black Weight 226

9" Disc Brake Compatible No

Revolver HeadsetCampy spec 45x45 sealed bearings

Bosch Speed Sensor Drive Unit Slim 415mm (BCH3319_415) - The smart system Model=Seatpost Fluid Accelerated Composites Evolution Technologie +Bosch Speed Sensor Parts keyword search EB11200010