Shimano Cassette Sprocket 12Speed 105 CS-R7101-12 Style:11-36T Easy transport thanks to a

Easy transport thanks to a practical bag

which saves another 60 g

this results in fast

Attach your frame number on your seatpost to make your bike as aerodynamic as possible

Shimano Cassette Sprocket 12Speed 105 CS-R7101-12 Style:11-36T Easy transport thanks to aDescription High performance Hyperglide+ 12 speed 105 Road cassette Hyperglide+ sprockets have a computer designed tooth configuration with contoured shift gates, resulting in a crisp smooth shift even under load Close ratio gearing allows a more efficient use of energy through finer cadence control Largest sprockets are mounted on a lightweight alloy carrier to reduce weight and increase rigidity Sprockets are cut away and drilled to further reduce