Surly Midnight Special Bike Hot Mayonnaise

Surly Midnight Special Bike Hot Mayonnaise


  • 100% Surly 4130 CroMoly frame, main triangle is double-butted; 1-1/8″ threadless CroMoly fork
  • Rack, fender, and three sets of water bottle mounts
  • Flat-Mount disc brakes
  • 44mm head tube
  • Clearance for 650b x 60mm or 700c x 42mm tires without fenders (650b x 50mm or 700c x 32mm with fenders)

Bicycles cannot be shipped must be picked up at our physical storefront in Urbana, Illinois. So we can ensure your bicycle will have the proper fit.

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  • Description
  • Size Guide
  • Additional information
  • Reviews (0)


The Midnight Special is a road plus bike designed to provide comfort and speed on those all-day rides that extend well beyond fresh pavement. It excels on pot-holed, deteriorating pavement and the occasional long stretch of gravel. The Midnight Special’s 650b road plus tires eat up road chatter and absorb all the bumps in the road for a much more comfortable ride.


Rear Thru Axle / QRThru Axle

Frame“Midnight Special, 4130 CroMoly, double-butted main triangle, ED coated, TIG-welded
Fork“Surly Midnight Special, 4130 CroMoly,, ED coated, TIG-welded
CranksetSRAM S390 50/34t
Bottom BracketSSRAM GXP
Front DerailleurSRAM Rival 22
Rear DerailleurSRAM Rival 22
Cassette / CogSunRace 11-32
ChainMC X11, 11 speed
Grips / Bar Tape
HandlebarSalsa Cowbell 3
StemProMax DA-296, 31.8 4 bolt, Black
HeadsetCane Creek 40
Front ShifterSRAM Rival 22
Rear ShifterSRAM Rival 22
Brake LeversSRAM Rival 22
Brake SetTRP Spyre Flat Mount
Front RotorTRP
Rear RotorTRP
SaddleWTB Volt Sport
Seatclamp30.0mm Surly Stainless
SeatpostProMax SP-2019 27.2x300mm non-offset (for 40-50) Black
ProMax SP-2016 27.2x300mm offset (for 54-64cm) Black
Front Hub“Formula RX-812, 12mm thru, 32h
Rear Wheel“Formula RX-300, 142mm thru, 32h
Front Thru Axle / QRThru Axle
Rear Thru Axle / QRThru Axle
RimsAlex Adventurer 2 32h tubeless compatible
TiresWTB Horizon, 650b x 47, tan wall


Additional information




Tire Size


40cm, 46cm, 50cm, 54cm, 56cm, 58cm, 60cm, 64cm

Brake Type



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