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The Surly Lowside is a Throwback Rigid MTB Single-Speed Cruiser | The Radavist

The Surly Lowside is a Throwback Rigid MTB Single-Speed Cruiser | The Radavist

Radar

March 17, 2026

Surly‘s newest bike is a throwback to the first mountain bikes. Lowside is a rigid 27.5 MTB with vintage cruiser vibes. Call it a singletrack saint or a pub bike sinner, this stripped-down single-speed is a celebration of the days of klunkin’.

Singlespeeding has been a part of Surly’s brand since day one, when it launched the 1×1 Rat Ride. Lowside picks up right where the 1×1 left off.

Specs:

  • Three colors
  • Three builds
  • Five sizes
  • Modern trail standards: dropper post compatibility, 44mm headtube, Gnot-Boost rear spacing, thru-axles
  • Compatibility with most mountain bike standards makes it the perfect parts bin bike (no rim brakes allowed though)
  • Spec’d with 27.5 x 2.8” Maxxis Rekon+ tires; also capable of running 26 x 3″ tires
  • Color-matched Surly Sunset handlebar with silver components

See more at Surly.

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