Tubing
Surly 4130 CroMoly steel. Main triangle is double-butted. TIG-welded. ED Coated.
Rear Dropouts
Investment cast Surly track dropouts, 120mm spaced
Brake Compatibility
Standard reach road calipers, but there are no stops for housing
Braze-ons/extras
Eyelets on the rear dropouts and one set of water-bottle mounts on the seattube ’cause we’re not camels
Seatpost Diameter
27.2mm
Seatpost Clamp Diameter
30.0mm Surly stainless, included
Headset/Steerer Tube
1-1/8″ threadless
Bottom Bracket Shell
68mm wide, threaded English 1.37″ x 24t
Chainring Clearance
Heavy manipulation of the chainstays gives room for a 50t ring while maintaining chainline. Track crank-compatible
Tire Clearance
Room for tires up to 700c x 38mm. Individual tire and rim combos affect tire clearance, but figure on being able to use tires up to 32mm with fenders (p.s. use clip-on fenders)
Fork
4130 CroMoly, lugged and brazed flat crown that is drilled to accept a standard mid-reach (47–57mm) caliper brake. It has clearance for 700c x 38mm tires. There are no eyelets at the dropouts
- UPC
- 708752387492
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