7.4–33.4 mph at 90 rpm, estimated from the published rear tire size 700×38c · 38-622 ETRTO.
Velopedia Bicycle Archive
Surly Midnight Special 700c
Original specifications: 650B; 700C wheels · 26 lb 13 oz, size 56cm published weight · geometry for 7 published sizes.
Selling this bike? Create a shareable bike record
At a glance
- Model year
- Not published by manufacturer
- Category
- Gravel & Cyclocross
- Original MSRP
- $2,499.00
- Sizes
- 40cm, 46cm, 50cm, 54cm, 56cm, 58cm, 60cm
- Colors
- Hi-Viz Black
- Weight
- 26 lb 13 oz, size 56cm
- Geometry
- 7 manufacturer sizes
- In this record
- 23 specifications · 10 archived images · original MSRP · geometry
- Archive ID
- 900000352
Original buildSteel · 650B; 700C
Frameset
| Frame Construction | Surly Midnight Special 4130 Chromoly, Natch tubing, double-butted main triangle, TIG welded, ED coated |
|---|---|
| Frame Material | Steel |
| Fork | Surly Midnight Special 4130 Chromoly, Natch tubing, TIG welded, brazed lugs, ED coated |
| Fork Material | Steel |
Drivetrain
| Shifters | Shimano R7120 |
|---|---|
| Front Derailleur | Shimano R7100 105 |
| Rear Derailleur | Shimano R7100 105 |
| Crankset | Shimano RS520, 50-34T |
| Bottom Bracket | Shimano RS501 |
| Cassette | Shimano R7101, 11-34t, 12-spd |
| Chain | KMC X12 |
Brakes
| Brakes | Brake Calipers: Shimano R7170; Brake Levers: Shimano R7120; Rotors: Shimano RT26, 160/160, 6-Bolt |
|---|
Cockpit & Contact Points
| Headset | Cane Creek 40 |
|---|---|
| Handlebar | Salsa Cowbell |
| Stem | Promax DA-296 |
| Saddle | WTB Volt Medium |
| Seatpost | Promax 27.2 x 300 (offset on 54-64cm) |
Wheels & Tires
| Hubs | (F) Novatec 12 x 100mm thru-axle, 32h / (R) Novatec 12 x 142mm thru-axle, 32h |
|---|---|
| Rims | Alex Adventurer 2, 700c, 32h |
| Spokes | DT Swiss Champion 14G |
| Front Tire | Teravail Rampart 700 x 38 Light and Supple - OR - Teravail Rampart 700 x 35 Durable |
| Rear Tire | Teravail Rampart 700 x 38 Light and Supple - OR - Teravail Rampart 700 x 35 Durable |
| Wheel Size | 650B; 700C |
Geometry
Frame measurements by size.
Published frame view
Select an available measurement to locate it on the frame.
All geometry measurements7 sizes · 16 measurements
| Measurement | 40cm | 46cm | 50cm | 54cm | 56cm | 58cm | 60cm |
|---|---|---|---|---|---|---|---|
| Seat tube | 400 mm | 460 mm | 500 mm | 540 mm | 560 mm | 580 mm | 600 mm |
| Effective top tube | 500 mm | 520 mm | 540 mm | 555 mm | 570 mm | 585 mm | 605 mm |
| Head tube | 95 mm | 100 mm | 110 mm | 125 mm | 140 mm | 160 mm | 180 mm |
| Head-tube angle | 71° | 71.5° | 72° | 72.5° | 73° | 73° | 73.5° |
| Seat-tube angle | 75.5° | 74° | 73.5° | 73.5° | 73° | 73° | 72.5° |
| Chainstay / rear center | 425 mm | 425 mm | 425 mm | 425 mm | 425 mm | 425 mm | 425 mm |
| Wheelbase | 993 mm | 994 mm | 1007 mm | 1018 mm | 1012 mm | 1027 mm | 1036 mm |
| Bottom-bracket drop | 70 mm | 70 mm | 65 mm | 65 mm | 65 mm | 65 mm | 65 mm |
| Reach | 363 mm | 366 mm | 379 mm | 389 mm | 393 mm | 402 mm | 409 mm |
| Stack | 531 mm | 538 mm | 544 mm | 560 mm | 580 mm | 599 mm | 620 mm |
| Standover height | 720 mm | 751 mm | 778 mm | 806 mm | 827 mm | 846 mm | 866 mm |
| Fork offset / rake | 50 mm | 50 mm | 50 mm | 50 mm | 40 mm | 40 mm | 40 mm |
| Fork length / axle-to-crown | 400 mm | 400 mm | 400 mm | 400 mm | 400 mm | 400 mm | 400 mm |
| Crank length | 165 mm | 170 mm | 170 mm | 175 mm | 175 mm | 175 mm | 175 mm |
| Stem length | 70 mm | 80 mm | 80 mm | 100 mm | 100 mm | 120 mm | 120 mm |
| Handlebar width | 400 mm | 400 mm | 400 mm | 420 mm | 440 mm | 440 mm | 460 mm |
Measurements may vary by configuration, wheel size, or frame setting where noted in the published chart.
Gearing
Lower ratios provide more mechanical advantage for climbing. Higher ratios turn the rear wheel farther with each crank revolution.
Parts & serviceability
Find replacement parts

Shimano Dura-Ace CS-R9200 12-Speed Cassette Silver, 11-34T, 12-Speed
12-Speed
More parts (6)

Shimano 105 FC-RS520 12-Speed Crankset Black, 165mm, 50-34T
165mm, 50-34T
Based on the original build. Confirm the model, size and fit before ordering; installed parts may differ. As an Amazon Associate I earn from qualifying purchases. Velopedia may also earn from qualifying eBay purchases. Velopedia may also earn from qualifying retailer purchases.
Bike-specific inspection checklist 19 checks based on 5 archived component groups Open checklistClose checklist
This checklist uses the archived equipment for this bike. It cannot confirm the condition, service history or later component changes of the example in front of you.
Identity and fit
Follow the full used-bike inspection order →Archived: Surly Midnight Special 700c · Cyclocross/Gravel · Published sizes: 40cm, 46cm, 50cm, 54cm, 56cm, 58cm, 60cm
Frame and fork
Inspect the frame and fork →Archived: Frame: Surly Midnight Special 4130 Chromoly, Natch tubing, double-butted main triangle, TIG welded, ED coated · Fork: Surly Midnight Special 4130 Chromoly, Natch tubing, TIG welded, brazed lugs, ED coated · Steel
Drivetrain
Check drivetrain wear →Archived: Shifters: Shimano R7120 · Front derailleur: Shimano R7100 105 · Rear derailleur: Shimano R7100 105 · Crankset: Shimano RS520, 50-34T · Bottom bracket: Shimano RS501 · Cassette: Shimano R7101, 11-34t, 12-spd · Chain: KMC X12
Brakes
Inspect the brakes →Archived: Brakes: Brake Calipers: Shimano R7170; Brake Levers: Shimano R7120; Rotors: Shimano RT26, 160/160, 6-Bolt
Wheels and tires
Check wheels and tires →Archived: Wheel size: 650B; 700C · Rims: Alex Adventurer 2, 700c, 32h · Hubs: (F) Novatec 12 x 100mm thru-axle, 32h / (R) Novatec 12 x 142mm thru-axle, 32h · Front tire: Teravail Rampart 700 x 38 Light and Supple - OR - Teravail Rampart 700 x 35 Durable · Rear tire: Teravail Rampart 700 x 38 Light and Supple - OR - Teravail Rampart 700 x 35 Durable
Controls and contact points
Archived: Headset: Cane Creek 40 · Handlebar: Salsa Cowbell · Stem: Promax DA-296 · Seatpost: Promax 27.2 x 300 (offset on 54-64cm) · Saddle: WTB Volt Medium
Before and during the test ride
Follow the full used-bike inspection order →Have you owned this bike?Help preserve its real-world history by sharing your owner experience.
Share the details that would help another rider understand how this model fits, rides and holds up over time. Velopedia reviews every contribution before publication.
Already contributed? Send me a fresh private edit link
For privacy, Velopedia shows the same confirmation whether or not an experience exists.
Gallery10 images
Checking current listings…
Specifications are presented as a reference. Components may vary by market, size, production run, or later manufacturer revisions.

