All-City-2021 Space Horse - Tiagra-Gravel Bike-Neptune Blue-43cm (650b)-Uptown Bicycles
All-City-2021 Space Horse - Tiagra-Gravel Bike-Uptown Bicycles
All-City-2021 Space Horse - Tiagra-Gravel Bike-Uptown Bicycles
All-City-2021 Space Horse - Tiagra-Gravel Bike-Uptown Bicycles
All-City-2021 Space Horse - Tiagra-Gravel Bike-Uptown Bicycles


2021 Space Horse - Tiagra

Our 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. Ambitious road centuries, gravel racing, loaded touring, looking great while commuting — the Space Horse is equipped for it all.


  • Shimano Tiagra 2x10 drivetrain
  • Tektro mechanical disc brakes
  • Geometry — Mix between road and randonneuring with a relatively short rear end and a slightly lower bottom bracket than a standard road bike
  • Tire Clearance — Fits 700c x 45mm without fenders, or 700c x 42mm with fenders (49–61cm models), as well as 650b x 47mm without fenders, or 650b x 42mm with fenders (43–46cm models)
  • Frame Details; dropout with replaceable derailleur hanger, flat-mount disc brakes, integrated seat collar, pantographed bottom bracket shell, front and rear rack mounts, fender mounts and pump peg, reinforced bottle bosses for three bottle cages–now in new locations, 12mm front and rear thru-axles, lugged crown fork, fork features ports for internal Dynamo cable routing, E.D. frame coating
  • 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
  • Fork Material: Steel
  • Color: Neptune Blue
  • Wheel Size: 700c
  • Brake Type: Disc
  • Front Axle: 12mm Thru x 100mm
  • Platform: Space Horse
  • Fork Type: Rigid
  • Frame Material: Steel
  • TT (Effective): 545
  • Mfg Size: 52
  • Defined Color: Blue
  • Rear Axle: 12mm Thru x 142mm
  • Frame Type: Rigid



Frame - 612 Select Chromoly Steel

Fork - All-City Space Horse Fork, 612 Select Chromoly Steel


Crankset - FSA Omega Modular BB386EVO, 46-30t, Black

Bottom Bracket - FSA BB386 MegaEVO, BSA threaded

Front Derailleur - N/A

Rear Derailleur - Shimano Tiagra R4700

Cassette / Cog - SunRace 10-speed, 11/32t

Chain - KMC X10, EPT Anti-Rust


Grips / Bar Tape - All-City Embossed Black Tape

Handlebar - AL6061, 31.8mm, 12° Flair

Stem - AL6061, 3D forged, 4-bolt stem, 31.8mm

Headset - Cane Creek 40 Series

Front Shifter - N/A

Rear Shifter - Shimano Tiagra 10-speed

Brake Levers - Shimano Tiagra 10-speed

Brakes - Tektro MD-C550, 160 f/r, 6-Bolt

Saddle - All-City Gonzo

Seatclamp - integrated

Seatpost - 27.2mm, two-bolt, 350mm length


Front Hub - Novatec 981, Sealed Bearing, 32h

Rear Hub - Novatec 982, Sealed Bearing, 32h

Front Thru Axle / QR - Thru Axle

Rear Thru Axle / QR - Thru Axle

Rims - WTB ST i19 TCS 2.0, 32h (650b in 43/46cm, 700c in larger sizes)

Spokes - Pillar 14g Black Stainless

Spoke Nipples - Black Brass Nipples

Tires - VEE Speedster (650b x 38mm in 43/46cm, 700c x 40mm in larger sizes)

Tubes - included


Pedals - N/A

 Specifications are subject to change without notice


Frame measurements (mm) 43cm 46cm 49cm 52cm 55cm 58cm 61cm
A. BB Drop 58 58 75 75 75 75 75
B. Chainstay Length 420 420 435 440 440 445 445
C. Fork Length - Axle to Crown 376 376 395 395 395 395 395
D. Fork Offset 49 49 52 52 47 47 47
E. Head Tube Angle (deg) 70 70.5 71 71 72 72 72
F. Headtube Length 95 105 110 125 150 175 200
G. Reach 363 375 376 380 380 387 403
H. Seat Tube Angle (deg) 75 74.5 74.2 73.5 73 72.5 72
I. Seat Tube Length - Center to Top 420 450 480 510 540 570 600
J. Stack 493 504 545 559 589 612 636
K. Standover 725.3 747.2 779 802 831 857.3 883.1
L. Top Tube Length (Effective) 495 515 530 545 560 580 610
M. Wheelbase 989.4 1001.1 1021.1 1034.6 1029.9 1049.6 1073.7
Component measurements (mm)
Crank Arm Length 165 165 170 170 172.5 175 175
Handlebar Width 380 380 400 020 420 440 460
Stem Length 70 80 90 100 100 110 120

* All dimensions are preliminary and subject to change

We offer Free Shipping on all orders in the Continental US.

Orders typically ship within 1-2 business days.  

Orders ship from our stores in San Diego, California or from our suppliers located throughout the continental US.  Our network of warehouses allows us to deliver your orders faster so Uptown customers have access to a larger variety and better stock 

Shipping method and ship-times depend on ship-to address and size & dimensions of shipment. Our goal is to get your order to you quickly (typically 1-3 day shipping). Expedited shipping is also available.

We'll send your Order Tracking once your shipment is on its way.  We will also contact you once we hear your package has arrived to make sure it's been received and to offer our assistance.  For questions, changes or inquires on shipments please contact us.

Free Returns Button

We also offer Free Returns on most products (Click above to create your free pre-paid return label)

Accessories and Parts
We offer Free Returns for all accessories & parts returned within 30 days of purchase. That is a no-questions-asked full refund for items that unused/unworn & in original packaging. 

Accessory exceptions: Special orders and closeout deal purchases are final. Shoes may not have had cleats mounted nor show scuff marks. Helmets, shorts, jerseys, socks, gloves or other clothing may not have been worn. 

You may return a bicycle for the full purchase price within 14 days of purchase if the bicycle is in showroom condition as determined by us. When a bicycle was purchased as a special order or a closeout deal, the sale is final unless there was a problem with the order caused by Uptown Bicycles. Customer is responsible for return shipping on Bicycle orders unless there was a problem with the order caused by Uptown Bicycles

Bicycle Warranties
New bicycles typically come with manufacturer warranties. We will help you understand the warranty and coordinate any claims, but in the end, it is your responsibility to understand the warranty. Keep in mind, we hope that your bike experiences wear and tear, racing and maybe abuse, but hopefully not accidents. Warranties don't cover the result of those events.

Labor charges are not refundable. Unless, of course, there is a problem with the work performed, in which case, please contact us and we will immediately correct it.

If you have any questions about the above, let us know...we want you to buy with confidence.

The policies below applies to all in store purchase or online orders. If you are purchasing online and are unsure about a purchase, please give us a call...we can help a lot in your decision. (619)795-7222

Free Curbside Pickup

We offer Curbside Pickup / In-Store Pickup for all orders. 

Please select the the store location and the date you would like to pickup your order.  For Curbside Pickup, select In-Store Pickup at checkout.  You will receive details on how to pickup your order.  We have a dedicated loading/unloading zone directly in-front of each location.  Same-day curbside / in-store pickup is available on a case-by-case basis, as we may need a little time to put your order together. 

If selecting a bike for in-store purchase; availability for pickup reflects an estimate of when the bike will be ready.  Please note that this is an estimate, if you would like to pick an item up before the website shows it is available please contact us for special requests.  When we receive an in-store pickup order we will contact you by your preferred method entered at checkout to confirm details.

Why are some items available for In-Store (or Curbside) pickup only? 

Due to our brand relationships we are able to sell some products in-store only.  These products are not available to be ordered to be shipped to a customer's address.  We believe in the importance of proper assembly and maintenance of your bicycle, and respect our partnership with our brands as a dealer / retailer. If you have any questions please contact us.

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