Straggler 650b – Cold Steel Blue

Surly Straggler 650b – Cold Steel Blue

Born on Gravel. Raised on Pavement.

The Straggler 650b is your go-anywhere, do-anything steel gravel bike. Designed for versatility, this ride excels on rough roads, urban commutes, weekend getaways, and everything in between. It’s the road bike built with a mountain biker’s soul.

Whether you're credit-card touring, commuting year-round, or rolling deep into dirt roads, the Straggler is up for it. With clearance for 650b x 41mm tires with fenders, multiple rack and fender mounts, and horizontal dropouts for singlespeed setups, it's ready for whatever path you choose.

Key Features:

• Cold Steel Blue finish

• 100% Surly proprietary 4130 CroMoly steel frame & fork, ED coated for durability

• Available in 650b and 700c wheel options

• Compatible with racks, fenders, and frame/seat bags

• Horizontal dropouts for singlespeed or geared setups

• Tire clearance: 650b x 41mm or 700c x 41mm (with fenders)

• Weight (54cm complete): 26 lb 15 oz

Drivetrain & Components:

• Rear Derailleur: SRAM Apex 1

• Crankset: SRAM Apex 1, 42T

• Cassette: SunRace 11–42T, 11-speed

• Shifter/Brakes: SRAM Apex

• Brakes: Avid BB7 with SRAM Centerline 160mm rotors

• Handlebar: Salsa Cowbell

• Saddle: WTB Volt

• Wheelset:

  • Rims: Alex Adventurer 2 (tubeless ready)

  • Hubs: Novatec QR 6-Bolt

  • Tires: Surly Knard 650b x 41mm

Frame Specs & Geometry Highlights:

Design Wheel/Tire Sizes:

• 650b x 41mm (sizes 38–52cm)

• 700c x 41mm (sizes 54–62cm)

Frame Tire Clearance:

• Sizes 46–52:

  • 26" x 50mm (with fenders)

  • 650b x 50mm (without fenders)

  • 650b x 47mm (with fenders)

  • 700c x 35mm (without fenders)

  • 700c x 32mm (with fenders)

• Sizes 54–64:

  • 650b x 50mm (with fenders)

  • 700c x 50mm (without fenders)

  • 700c x 47mm (with fenders)

Fork Tire Clearance:

• Sizes 46–52:

  • 26" x 50mm (with fenders)

  • 650b x 50mm (without fenders)

  • 650b x 47mm (with fenders)

  • 700c x 35mm (without fenders)

  • 700c x 32mm (with fenders)

• Sizes 54–64:

  • 650b x 50mm (with fenders)

  • 700c x 50mm (without fenders)

  • 700c x 47mm (with fenders)

Additional Frame & Fork Details:

• Frame: 4130 Chromoly, Natch tubing, double-butted main triangle, TIG welded, ED coated

• Fork: 4130 Chromoly, double-butted, tapered blades, brazed lugs, ED coated

• Rigid Fork Lengths: 650b: 380 x 44mm / 700c: 400 x 44mm

• Fork Offset: 44mm

• Axle to Crown: 650b: 380mm / 700c: 400mm

• Rear Spacing: 10 x 135mm, forward-exiting horizontal dropouts

• Front Spacing: 10 x 100mm

• Brake Mount: Disc (51mm IS), max rotor size: 160mm

• Headset: EC34/28.6 upper, EC34/30 lower

• Steerer Tube: 1-1/8" (28.6mm)

• Seatpost: Ø27.2mm (not dropper compatible)

• Seatpost Clamp: Ø30mm

• Bottom Bracket: 68mm threaded (1.37" x 24TPI)

• Crankset Max Ring Size:

  • 1x: up to 50T

  • 2x: up to 39/53T

• Front Derailleur Clamp: Ø28.6mm, bottom-pull

• Bottle Mounts: 2 standard

• Accessory Mounts:

  • Rack mounts (upper & lower)

  • Downtube shifter bosses (housing stops not included)

  • Fork mounts: upper, lower, and mid-blade threaded

  • Front & rear fender mounts

Surly Straggler: If you're only going to own one bike—this is the one.