All-City Super Professional Flat Bar Single Speed Bike - 700c Steel Lemon Dab 43cm Model=Aero/Stealth Riser Kits Modified knobs on the shoulder

Modified knobs on the shoulder and center improve braking performance and traction on hard surfaces

Quieter riding experience

The Surly Truck Stop Handlebar combines the benefits of a drop bar with those of a riser bar

Stealth Black w/Water Decals

All-City Super Professional Flat Bar Single Speed Bike - 700c Steel Lemon Dab 43cm Model=Aero/Stealth Riser Kits Modified knobs on the shoulderAll City Super Professional Flat Bar Single Speed Bike 700c Steel Lemon Dab 43cm. A cross inspired bike built to conquer the city streets the Super Professional features the 2 For 1 Dropout All Citys elegantly designed combination geared or single speed sliding dropout system. Fast responsive agile and capable on mixed terrain the Super Professional can be converted from single speed to geared or back again to crush all your daily deeds and commutes.