All-City Space Horse – 650B, Micro Shift


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Allcity’s most popular and versatile model, the Space Horse has become a bit of a cult favorite through its classic styling and ability to handle just about any task or terrain.


Our inspiring review is coming soon, for now here is what All-City has to say:


The agile and stable Space Horse is our most versatile and popular model, and it’s ready to take you and your gear wherever adventure leads — from road riding to randonneuring to full-fledged touring. Capable of tackling ambitious centuries, speedy gravel jaunts, urban commutes, and loaded touring, the nimble and dependable Space Horse offers unmatched elegance, comfort, inspiration, and fun. Conquer whatever you can dream up from wet roads on the way to work to a quick overnight bikepacking trip.


Our mission is to bring beauty back to production bicycles. This means investing in custom touches that elevate the whole. We devote time and resources to signature details that turn heads and signify high-quality craftsmanship. These elements tell a cohesive visual story and form a distinct silhouette so that even if your unique bike were stripped down to bare metal, it would still be instantly identifiable as an All-City bicycle


  • 612 Select Tubing – a proprietary blend of 4130 double-butted Chromoly tubes, every piece of tubing on every frame size has been carefully chosen to provide the best ride possible
  • Geometry — Mix between road and randonneuring with a relatively short rear end and a slightly lower bottom bracket than a standard road bike
  • 12mm front and rear thru-axles, flat-mount disc brakes
  • Front and rear rack mounts, fender mounts, and pump peg
  • Fork features ports for internal Dynamo cable routing
  • Tire Clearance — 43–61cm frames fit 650b x 47mm (650b x 42mm w/fenders); additionally, 49–61cm frames fit 700c x 45mm (700c x 42mm w/fenders)
  • Signature custom-cast dropout with replaceable derailleur hanger, signature lugged fork crown and custom fork ends, integrated seat collar, pantographed bottom bracket shell, reinforced bottle bosses for three bottle cages



  • Frame: 612 Select Chromoly Steel, TIG Welded and Brazed, E.D. Coated
  • Fork: 612 Select Chromoly Steel, All-City Signature Fork ends and Crown, TIG Welded and Brazed, E.D. Coated
  • Color: Silver
  • Rear Shock: N/A


  • Front Derailleur: N/A
  • Rear Derailleur: microSHIFT Advent X, 10-speed
  • Cassette: microSHIFT Advent X, 10-speed, 11-48t
  • Chain: KMC X10 EPT
  • Crankset: FSA Vero Pro, 40t
  • Shifter: microSHIFT Advent X, 10-speed
  • Brakes: Tektro HD-R280, Hydro
  • Rotors: Tektro TR160-22, 160mm, 6-bolt


  • Headset: Cane Creek 40 Series
  • Stem: AL6061, 3D forged, 4-bolt stem, 31.8mm, ±6° Rise
  • Handlebar: AL6061, 600mm Wide, 27˚ Sweep
  • Grips / Bar Tape: Velo single lock-on
  • Seatpost: 27.2mm, two-bolt, 350mm length
  • Saddle: All-City Gonzo -OR- DDK-5255


  • Front Hub: All-City Go Devil, 32h, 6-bolt
  • Rear Hub: All-City Go Devil, 32h, 6-bolt
  • Rims: WTB ST i19, TCS 2.0, 32h, 650b (43cm~61cm)
  • Tires: Teravail Washburn, 650bx47mm, Black Side Wall, (43cm~61cm)


All Surly frames are backed by a 3-year warranty against defects in material and manufacturing.

Please see Surly’s frame warranty page to review their limitations.