Inspection
Frame condition
Inspect the frame, fork, welds, and high-stress areas for cracks, dents, or prior repairs.
Surly
2020 Surly Midnight Special
Value Guide market data · 2020 Surly Midnight Special
12-month trend
— %
Direction and magnitude, not judgment
vs. category average
7%
Holds value better than category avg
Price over time - 2020 Surly Midnight Special
Values based on actual sales data. Enter your bike's specifics to get a precise valuation.
All Midnight Special model years
2020 Midnight Special lineup
Overview
About this bike
2020 Surly Midnight Special value depends on condition, original build, frame material, service history, and current buyer demand.
Specifications
Frameset
- Frame
- 4130 CroMoly, double-butted main triangle, ED coated, TIG-welded
- Fork
- 4130 CroMoly, ED coated, TIG-welded
- Frame Construction
- 4130 Chromoly, Natch tubing, double-butted main triangle, TIG welded, ED coated
- Fork Construction
- 4130 Chromoly, Natch tubing, TIG welded, brazed lugs, ED coated
- Rear Dropout Configuration
- Vertical
- Rigid Fork Spec
- 400 x 50mm (40 - 54cm)400 x 40mm (56 - 64cm)
- Bottle Mounts Frame
- 3 Standard
- Rack Mounts Frame
- Yes (upper and lower threaded)
- Rack Mounts Fork
- Yes (upper, lower, and mid-blade threaded)
- Fender Mounts Frame
- Yes
- Fender Mounts Fork
- Yes
Drivetrain
- Groupset
- SRAM Rival
- Shifters
- SRAM Rival 1
- Crankset
- Sram Rival 1 40T
- Bottom Bracket
- 68mm threaded (1.37" x 24TPI)
- Front Derailleur (Clamp)
- Bottom-pull (Ø28.6mm)
- Max Chainring (CL)[3]
- 1x (Road): 44T2x (Road): 34/50T3x (Road): 30/39/50T
- Cassette
- SunRace 11-42T
- Chain
- KMC X11
- Chainrings
- 40T
- Rear Derailleur
- SRAM Rival 1
Brakes
- Brakes
- TRP Spyre, 160mm rotors
- Brake Levers
- SRAM Rival 1
- Rear Brake
- Disc - Flat Mount (160mm max rotor) – 25mm thick mount / 32mm bolt length
- Front Brake
- Disc - Flat Mount (160mm max rotor) – Use Brake Manufacturer's Front Flat Mount Adapter and Supplied Bolts
Cockpit
- Seatpost Clamp
- 30.0mm Surly Stainless
- Headset
- Cane Creek 40, 1-1/8"
- Stem
- ProMax, 31.8, 4 bolt
- Handlebar
- Salsa Cowbell 31.8
- Saddle
- WTB Volt 142
- Seatpost
- Ø27.2mm
- Grip/Tape
- Black Cork
- Stock Headset Upper (S.H.I.S.)
- ZS44/28.6
- Stock Headset Lower (S.H.I.S.)
- EC44/30
- Grips
- Black Cork
Wheels & Tires
- Front Hub
- Novatech D791, 12mm Thru, 32H
- Rear Hub
- Novatech D792, 142mm Thru, 32H
- Rims
- Alex Adventurer 2, Tubeless ready, 32H
- Tires
- WTB Horizon, 650b x 47 / WTB Horizon, 650b x 47, tan wall
- Front Hub Spacing
- 12 x 100mm (Surly axle included)
- Steerer Tube
- Ø28.6mm (1-1/8")
- Tire Clearance Frame[1]/[2]
- 27.5 x 2.35" (w/o fenders)700c x 42mm (w/o fenders)650b x 50 (w/ fenders)700c x 38mm (w/ fenders)
- Tire Clearance Fork[1]
- 27.5 x 2.35" (w/o fenders)700c x 42mm (w/o fenders)650b x 50 (w/ fenders) 700c x 38mm (w/ fenders)
- Axles
- Front: 12x100mm thru-axle, Rear: 12x142mm thru-axle
- Front Tire
- WTB Horizon, 650B x 47
- Hubs
- Novatech D791/D792
Accessories
- Cog or cogset
- SunRace 11-42t
- Crown Race
- Ø30mm (1-1/8")
- Seat Collar
- Ø30mm
- Other Features
- Downtube mounted shifter bosses
- units:
- inmm
Frame sizing
XS4'10"-5'2"
S5'2"-5'6"
M5'6"-5'10"
L5'10"-6'2"
XL6'2"-6'6"
M highlighted as most common resale size. Sourced from catalog metadata.
Geometry
- Stack
- Varies by size
- Reach
- Varies by size
- Wheelbase
- Varies by size
Industry standard. Sourced from catalog metadata.
What to check when buying used
Inspection
Drivetrain wear
Check chain stretch, cassette teeth, chainrings, and shifting under load before negotiating price.
Inspection
Wheel condition
Inspect rims, hubs, spokes, and bearing play; ask about the tire age and any prior wheel rebuilds.
Inspection
Service history
Ask for service records covering bearings, brakes, drivetrain, and any frame or fork warranty work.
Inspection
Carbon inspection
Tap test the frame, fork, seatpost, and bars for cracks; verify no impact damage near dropouts.
Inspection
Brake hoses & cables
Check hydraulic line bleed, cable housing wear, and confirm rotors are within spec.