The State Bicycle Co. Klunker Frameset is your blank canvas to create the ultimate retro-inspired, all-terrain cruiser. Whether you're cruising the streets, hitting the trails, or just reliving the glory days of BMX-inspired riding, the Klunker frameset gives you the freedom to build a bike that’s simple, rugged, and downright fun.

Inspired by a mash-up of a beach cruiser, BMX, and mountain bike, the Klunker is the ultimate "DGAF" ride, perfect for neighborhood cruises, trips to the store, or tackling trails. This frameset gives you the bones to build something timeless yet tough enough for anything.

Key Features:

Max Tire Clearance: Built to fit up to 2.3" x 27.5" tires (Riders have successfully fitted up to 2.4", but fitment depends on the wheels and tire brands used).
Strong 4130 Chromoly Steel Frame and Fork: Built for durability, comfort, and ready to take on whatever you throw at it.
Classic BMX-Style Geometry: Upright riding position for comfort and style with modern performance.

Geometry & Technical Specs:

Effective Top Tube Length: 571mm
Chain Stay Length: 481mm
Fork Offset: 35mm
Head Tube Angle: 69°
Head Tube Length: 140mm
Seat Tube Length: 457mm
Seat Tube Angle: 70°
Wheelbase: 1113mm
Rear Spacing: 120mm
BB Standard: English 68mm

What’s Included:

Klunker Frame & Fork
Headset
Seatpost Clamp

Notable Extras:

The perfect platform to customize with your choice of wheels, drivetrain, and handlebars.
Durable steel construction ensures a long-lasting, worry-free ride.

STATE BICYCLE CO. KLUNKER - FRAME SET