SHIMANO 105 R7100 Crankset - 2 x 12-Speed - 50-34t - 172.5mm garminpromo Rear Derailleur: Shimano GRX RX810

Rear Derailleur:  Shimano GRX RX810

The slip-resistant suede-like top prevents sliding and the burnished side panels reduce leg friction while pedaling

Its Targeted Airflow Pattern mirrors the shape and position of a cyclist's body while riding

for less resistance when unclipping

SHIMANO 105 R7100 Crankset - 2 x 12-Speed - 50-34t - 172.5mm garminpromo Rear Derailleur: Shimano GRX RX810The newly designed crank arms offer an optimized balance between lightweight and efficiency. The crank, formed with hollow aluminum technology, is anodized with a beautiful gloss black anodized finish, giving it a luxurious look. The resin ribs on the back of the chainrings are SHIMANO 105's unique structural design that achieves both thorough weight reduction and crisp shifting performance.