muter. And when you get tyred of one set up, you can swap parts around and turn it into something else.

Frameset SpecificationBrake Rotors

• Brake PadsTubing:   100% Surly proprietary 4130 CroMoly tubing. ED Coated. TIG-welded. Double-butted main triangleBrake Spares
• Rear Dropouts:   Forward-exiting horizontal dropouts with adjusters give you singlespeed compatibility and wheelbase adjustability to help you fit the tyres and fenders you want to run with that drivetrain you want to run. 135mm spacingForks
• Front SuspensionBrake Compatibility:   Disc Only. Max 160 mm Rotor SizeRear Suspension
• Braze-ons/extras: Fender eyelets at the dropouts, front and rear rack bosses and dual water bottle mounts. Oh yeah, it sports downtube shifter mounts
• Seatpost diameter:Finishing Kit 
• Headset/Steertube:  Tubeless1-1/8" threadless
• SaddlesFront Derailleur Clamp Diameter:   28.6 mmSeat Posts & Clamps
• Bottom bracket shell:Pedals  68mm wide, standard English threaded 1.37 x 24t
• Chainring Clearance:Gears & Drivetrain  Manipulated so you can fit pretty much whatever size rings you want. Go nutsComponents
• Tyre Clearance:E-bike Batteries and chargers   Our Fatties Fit Fine (FFF) stays and our beautiful slope-crowned custom fork provide room for tyres up to 650b x 42mm! With fenders!
• Fork:Wheels  4130 CroMoly, disc only, lugged and brazed. Sloping crown with threaded eylets, tapered and butted curved blades with mid-blade rack eyelets, dual dropout eyeletsComplete Wheels
• Weight:   54cm = 4.74 lb (2.27kg) Fork--uncut = 2.3 lb (1050g)
Essentials  
• Wheel sizes:   650b/27.5"