2021 Surly Steamroller Single Speed Urban Bike Frameset
Available Options
The Original Single Speed Commuter Bike
Steamroller is the bicycle in its simplest form. While it often gets compared to single speed track bikes, it’s much more than that. Built to excel on crumbling city streets, its beefy tire clearance makes it a great choice for minimalist commuters as well as dedicated winter commuters who know the havoc road salt wreaks on drivetrains.
As one of the first models we ever produced, Steamroller is truly like a member of the family. And we’re talking one we actually like, not your weird Uncle Norman who insists on showing you his magic tricks while always finding a way to ruin Thanksgiving.
- Investment cast Surly track dropouts spaced at 120mm
- Fender eyelets on the rear and one set of water bottle mounts on the seat tube
- Clearance for 700c x 38mm tires
- Frame Construction
4130 Chromoly, Natch tubing, double-butted main triangle, TIG welded, ED coated
- Fork Construction
4130 Chromoly, Natch tubing, double-butted tapered fork blades, brazed lugs, ED coated
- Rear Dropout Configuration
Horizontal
- Rear Hub Spacing
10 x 120mm
- Front Hub Spacing
9 x 100mm
- Rear Brake
Rim - Caliper (mid reach)
- Front Brake
Rim - Caliper (mid reach)
- Head Tube
Ø34mm
- Steerer Tube
Ø28.6mm (1-1/8")
- Crown Race
Ø30mm (1-1/8")
- Stock Headset Upper (S.H.I.S.)
EC34/28.6
- Stock Headset Lower (S.H.I.S.)
EC34/30
- Seat Collar
Ø30mm
- Seatpost
Ø27.2mm
- Front Derailleur (Clamp)
N/A
- Max Chainring (CL)[3]
1x (Track): 50T
- Bottom Bracket
68mm threaded (1.37" x 24TPI)
- Tire Clearance Frame [1]/[2]
700c x 32mm (w/ fenders)
700c x 38mm (w/o fenders)
- Tire Clearance Fork [1]
700c x 32mm (w/ fenders)
700c x 38mm (w/o fenders)
- Rigid Fork Spec
375 x 38mm
- Max Suspension Fork Length [4]
N/A
- Bottle Mounts Frame
1 Standard
- Bottle Mounts Fork
N/A
- Rack Mounts Frame
N/A
- Rack Mounts Fork
N/A
- Fender Mounts Frame
Yes
- Fender Mounts Fork
N/A