Velopedia Bicycle Archive
Surly Midnight Special Rival 1 Steel
Original specifications: 650B; 700C wheels · geometry for 8 published sizes.
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At a glance
- Model year
- Not published by manufacturer
- Category
- Gravel & Cyclocross
- Original MSRP
- $2,349.00
- Sizes
- 40cm, 46cm, 50cm, 54cm, 56cm, 58cm, 60cm, 64cm
- Colors
- Black
- Geometry
- 8 manufacturer sizes
- In this record
- 21 specifications · 6 archived images · original MSRP · geometry
- Archive ID
- 900000346
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 | SRAM Rival 1 |
|---|---|
| Rear Derailleur | SRAM Rival 1 |
| Crankset | SRAM Rival 1 40T |
| Bottom Bracket | SRAM GXP |
| Cassette | SunRace 11-42t |
| Chain | KMC X11, 11 speed |
Brakes
| Brakes | Brake Calipers: TRP Spyre; Brake Levers: SRAM Rival 1; Rotors: TRP 160mm Front/Rear |
|---|
Cockpit & Contact Points
| Headset | Cane Creek 40 |
|---|---|
| Handlebar | Salsa Cowbell 3 |
| Stem | ProMax, 31.8 4 bolt |
| Saddle | WTB Volt Sport |
| Seatpost | ProMax SP-2019 27.2x300mm non-offset (for 40-50) Black |
Wheels & Tires
| Hubs | (F) Novatech D791, 12mm Thru, 32H / (R) Novatech D792, 142mm Thru, 32H |
|---|---|
| Rims | Alex Adventurer 2, Tubeless ready, 32H |
| Front Tire | WTB Horizon, 650b x 47, tan wall |
| Rear Tire | WTB Horizon, 650b x 47, tan wall |
| Wheel Size | 650B; 700C |
Geometry
Frame measurements by size.
Published frame view
Select an available measurement to locate it on the frame.
All geometry measurements8 sizes · 16 measurements
| Measurement | 40cm | 46cm | 50cm | 54cm | 56cm | 58cm | 60cm | 64cm |
|---|---|---|---|---|---|---|---|---|
| Seat tube | 400 mm | 460 mm | 500 mm | 540 mm | 560 mm | 580 mm | 600 mm | 640 mm |
| Effective top tube | 500 mm | 520 mm | 540 mm | 555 mm | 570 mm | 585 mm | 605 mm | 625 mm |
| Head tube | 95 mm | 100 mm | 110 mm | 125 mm | 140 mm | 160 mm | 180 mm | 200 mm |
| Head-tube angle | 71° | 71.5° | 72° | 72.5° | 73° | 73° | 73.5° | 74° |
| Seat-tube angle | 75.5° | 74° | 73.5° | 73.5° | 73° | 73° | 72.5° | 72.5° |
| Chainstay / rear center | 425 mm | 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 | 1050 mm |
| Bottom-bracket drop | 70 mm | 70 mm | 65 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 | 423 mm |
| Stack | 531 mm | 538 mm | 544 mm | 560 mm | 580 mm | 599 mm | 620 mm | 641 mm |
| Standover height | 720 mm | 751 mm | 778 mm | 806 mm | 827 mm | 846 mm | 866 mm | 895 mm |
| Fork offset / rake | 50 mm | 50 mm | 50 mm | 50 mm | 40 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 | 400 mm |
| Crank length | 165 mm | 170 mm | 170 mm | 175 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 | 120 mm |
| Handlebar width | 400 mm | 400 mm | 400 mm | 420 mm | 440 mm | 440 mm | 460 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

Continental Terra Trail 650b Tubeless ShieldWall Tire Black/Cream, PureGrip, System, 650bx47
650bx47
Replacement option · verify fit
More parts (6)

SRAM Rival Wide 1x 12-Speed Crankset Black, 172.5mm, 40T
172.5mm, 40T

SRAM Rival 22 11-speed Rear Derailleur Gray, Medium
Medium
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 20 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 Rival 1 Steel · Cyclocross/Gravel · Published sizes: 40cm, 46cm, 50cm, 54cm, 56cm, 58cm, 60cm, 64cm
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: SRAM Rival 1 · Rear derailleur: SRAM Rival 1 · Crankset: SRAM Rival 1 40T · Bottom bracket: SRAM GXP · Cassette: SunRace 11-42t · Chain: KMC X11, 11 speed
Brakes
Inspect the brakes →Archived: Brakes: Brake Calipers: TRP Spyre; Brake Levers: SRAM Rival 1; Rotors: TRP 160mm Front/Rear
Wheels and tires
Check wheels and tires →Archived: Wheel size: 650B; 700C · Rims: Alex Adventurer 2, Tubeless ready, 32H · Hubs: (F) Novatech D791, 12mm Thru, 32H / (R) Novatech D792, 142mm Thru, 32H · Front tire: WTB Horizon, 650b x 47, tan wall · Rear tire: WTB Horizon, 650b x 47, tan wall
Controls and contact points
Archived: Headset: Cane Creek 40 · Handlebar: Salsa Cowbell 3 · Stem: ProMax, 31.8 4 bolt · Seatpost: ProMax SP-2019 27.2x300mm non-offset (for 40-50) Black · Saddle: WTB Volt Sport
Before and during the test ride
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Gallery6 images
Checking current listings…
Specifications are presented as a reference. Components may vary by market, size, production run, or later manufacturer revisions.


