Aluminum frame Bike type: Racer Wheel size: 28" Color: Blue Number of gears: 27-speed (Shimano 105 derailleur) Installed new parts: Reflectors, handlebar tape, brake pads, cable housing including cables, tires, chain, and tubes Brakes: Side pull rim brakes (Shimano 105) Shifting: 2-finger brake lever shifting Condition: The bike is in a beautiful and very well-maintained condition; the frame has signs of use - freshly serviced. Description: Completely Shimano 105