12 speed.7 pieces (105 R7120 STI levers with cables and housing, BB-RS500: bottom bracket, R7100: crankset, brake calipers - front and rear, chain, front derailleur and rear derailleur).
We love this New Shimano-105 R7120 STI Groupset for its silky smooth shifting even when we’re standing up and its durability.
Buy a Shimano-105 R7120 STI Groupset from Texas Cyclesport, A Better Bike Ride Begins Here.
