The Surly Steamroller frame set is the foundation for a special single-speed/fixed-gear commuter bike that easily handles potholes, grass shortcuts, urban trails, and backyards.
Do you remember the times when everything was simpler? Steamroller still does. Originally released in 2000 when bikes still came with triple chainrings, the Triple Rock was still open, and our knees made no noise—this steel classic is making a limited return to the city. The street-ready, double-built 4130 chromoly steel frame and 700c x 38mm tire clearance made it a staple in the fixie scene, a reliable companion for couriers, and a faithful partner on the way to work, to concerts, or through dark pubs. The Steamroller combines track bike features like 120mm rear axle spacing and track crank compatibility with practical everyday details, such as a road bike geometry, rim brake mounts, and new cable routing for a clean rear brake. No derailleur hanger, no rack mounts—none of that is needed. The Steamroller is only available as a frame set — perfect for customizing to your own style.
Features:
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Road bike geometry with track bike features: 120mm rear axle spacing, track-appropriate bottom bracket height, compatible with track cranks
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100% Surly 4130 chromoly steel frame and fork; double-butted main triangle, TIG-welded
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Brake cable stops for clean routing of rear brake cable
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1-1/8" stepless chromoly steel fork, TIG-welded
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Fork and seat stay bridges drilled for caliper brakes with medium reach (47–57mm)
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Maximum tire clearance: 700c x 38mm without fenders (32mm with fenders — only rear mount points)
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One bottle cage mount
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The frame is powder-coated for durability and protected against rust with E.D. (Electro Deposition) coating
Frame Set Specifications:
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Frame: Surly Steamroller – 4130 Chromoly steel, straight gauge tubing, double-butted main triangle, TIG welded, E.D. coated
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Color: Anxious Lavender
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Fork: Surly Steamroller – 4130 Chromoly steel, straight gauge tubing, double-butted tapered fork legs, welded lugs, E.D. coated
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Seatpost Clamp: Surly stainless steel 30.0mm
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Wheel Size / Tire Dimensions: 700c x 32mm
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Maximum Tire Diameter with Frame and Fork Clearance: 700c x 32mm (with fenders) / 700c x 38mm (without fenders)
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Frame Construction: 4130 Chromoly steel, straight gauge tubing, double-butted main triangle, TIG welded, E.D. coated
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Fork Construction: 4130 Chromoly steel, straight gauge tubing, double-butted tapered fork blades, welded lugs, E.D. coated
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Fork Offset: 38 mm
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Axle to Crown: 375 mm
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Rear Dropout Spacing: 10 x 120 mm
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Front Dropout Spacing: 9 x 100 mm
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Rear Brake: Rim brake – caliper (medium reach)
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Front Brake: Rim brake – caliper (medium reach)
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Headset: Upper EC34/28.6 mm / Lower EC34/30 mm
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Fork Steerer Tube Diameter: Ø 28.6 mm (1-1/8")
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Crown Race Diameter: 30 mm
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Seatpost Diameter: Ø 27.2 mm
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Seatpost Clamp Diameter: Ø 30 mm
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Bottom Bracket Thread: 68 mm BSA threaded bottom bracket (1.37" x 24 TPI)
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Crankset (Max. Chainring): 1-speed (Track), 50 teeth
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Bottle Cage Mounts on Frame: 1 standard
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Fork Mounts: N/A
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Front Fender Mounts: N/A
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Rear Fender Mounts: Yes
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Weight: Frame approx. 3.2 kg (7 lbs 2 oz) in 56 cm size
Product safety information
Manufacturer information:
Surly
6400 W. 105th Street
Minnesota
Bloomington, Vereinigte Staaten, MN 55438
https://surlybikes.com/
Responsible person:
Cosmic Sports GmbH
Leyher Str. 47
Bayern
Fürth, Deutschland, 90763
info@cosmicsports.de
https://www.cosmicsports.de
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