RD-R7100 12-Speed Road Bike Rear Derailleur Colour:Black The Birzman Navigator SB Bag

The Birzman Navigator SB Bag is easy to attach to your bike

Thinsulate Insulation

Dual Compound -

Super-soft 15A hardness

The DT Swiss E 1800 SPLINE Disc Brake Front Wheel is built to last

RD-R7100 12-Speed Road Bike Rear Derailleur Colour:Black The Birzman Navigator SB BagPrecise, quick shifting 12 speed road rear derailleur The SHIMANO 105 12 speed rear derailleur combines the smooth and stable shifting that is a staple of SHIMANO SHADOW RD design with direct mount compatibility and a wider gear range capacity. The bike boasts features such as stable shifting performance, SHIMANO SHADOW RD technology, a wider gear range capacity with a maximum low sprocket of 36T, and direct mount compatibility. Shimano 12 speed 105