Surly Midnight Special Frameset - Metallic Lilac

View Sizing and Geometry Charts

• 100% Surly 4130 CroMoly frame, main triangle is double-butted; 1-1/8" threadless CroMoly fork
  
• Rack, fender, and three sets of water bottle mounts
  
• Flat-Mount disc brakes
  
• 44mm head tube
  
• Tire Clearance: 27.5x2.35" (w/o fenders), 700c x 42mm (w/o fenders), 650b x 50 (w/ fenders), 700c x 38mm (w/ fenders)
  
• Rear dropouts: 12mm vertical dropout with derailleur hanger, 142 x 12mm thru-axle compatible or 135 x 10mm with Surly
  10/12mm adapter washer
  
• Brake compatibility: Flat-mount disc, 160mm max rotor size
  
• Braze-ons: 3 standard bottle mounts, upper and lower threaded rack and fender mounts on frame and fork, fork also has mid-blade rack mounts
  
• Seatpost: 27.2mm
  
• Seatpost clamp: 30.0mm (Surly stainless included)
  
• Headtube: 44mm I.D. Recommend EC44 lower cups, zero stack on top is o.k.
  
• Front derailleur: 28.6mm, bottom-pull
  
• Bottom bracket shell: 68mm BSA, threaded
  
• Chainring clearance: 1x: 44t max, 2x: 34/50t max, 3x: 30/39/50t max
  
• Tire clearance: 27.5 x 2.35", 700c x 42mm, individual tire and rim combos affect tire clearance
  
• Fork Axle type: 100 x 12mm thru-axle
  
• Fork Braze-ons: 165mm standard low-rider and Surly shoulder bosses
  
• Cargo weight limit: 300 lb combined rider and cargo
  
  Based on our Dealer Agreement with Surly, we are not able to ship Surly frames internationally. We are, however, able to ship frames to U.S Military addresses (APO, FPO, etc.) via US Mail.