Surly Midnight Special Frameset - Stainless Teal

The Midnight Special is for riders who like a quick road bike but do not want to be limited to smooth tarmac and skinny tyres. Its steel chassis feels lively without being harsh, and the generous tyre clearance makes it equally happy on rough chip seal, neglected back roads and light gravel. As a frameset, it gives you plenty of freedom: build it as a fast all-road bike, a comfortable long-distance machine or something practical enough to ride every day.

Why this frame

• Road-bike response with room for genuinely useful tyre volume
• Modern thru-axles, flat-mount brakes and a 44mm head tube
• Compatible with both 700c and 650b wheels
• Three bottle mounts plus rack and guard fittings
• Conventional threaded bottom bracket for straightforward servicing

Frame details

Frame: 4130 Surly Chromoly, Natch tubing, double-butted main triangle, TIG welded and E.D. coated
Fork: Surly Midnight Special 4130 Chromoly, brazed lugs, 400mm axle-to-crown; 50mm offset on 40-54cm and 40mm on 56-64cm
Dropouts: Thru-axle
Rear axle: 12 x 142mm Surly axle included; 10 x 135mm possible with Surly adapter washers
Front axle: 12 x 100mm Surly axle included
Head tube / headset: 44mm; ZS44/28.6 upper and EC44/30 lower
Bottom bracket: 68mm BSA threaded
Brake mounts: Flat-mount; 140mm native with 160mm maximum rotors front and rear
Seatpost: 27.2mm
Seat clamp: 30.0mm Surly Stainless included
Front derailleur: Bottom-pull, 28.6mm
Maximum chainring: 44T for 1x road; 50/34T for 2x road
Tyre clearance: 27.5 x 2.35" or 700 x 42mm without guards; 650b x 50mm or 700 x 38mm with guards
Bottle mounts: Three standard
Fork mounts: Upper, lower and mid-blade rack mounts
Rack and guard mounts: Front and rear
Accessory mounts: Downtube shifter bosses
Dropper routing: Not supported