The Surly Corner Bar lets you add drop bars to your mountain or off-road bike without changing your current drivetrain or brake setup. Built from durable Chromoly steel, it’s perfect for riders who want drop-bar comfort and control on rugged terrain. Whether you’re experimenting with dirt drops or upgrading your adventure bike, the Corner Bar delivers a unique riding position and reliable performance.
Features
Drop-Bar Compatibility for MTBs: Use your existing mountain bike shifters and brake levers
Durable Chromoly Steel: Built tough for off-road riding and long-term use
Ergonomic Control: Offers a comfortable hand position for both road and trail exploration
Includes Shims: Comes with a set of shims for easy installation (store them if not needed)
Multiple Width Options: Available in 46cm, 50cm, and 54cm sizes to fit your riding style
Specifications
Recommended Use: Mountain / Off-Road
Material: Chromoly Steel
Clamp Diameter: 25.4mm (includes 31.8mm adapter)
Widths: 46cm / 50cm / 54cm
Drop: Shallow
Flare: 41.4°
Top Section: Circular

