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Loose Cycles

Chromag Rootdown Frame


The Rootdown is hands down Chromag's best selling bicycle.

Built with our custom-drawn tubes and featuring a 12x148mm Boost rear end and stealth post routing, this is the evolution of Chromag frame design in 29er form, compatible with tires up to 29" x 2.5 and 27.5+ up to 2.8 wheels. An agile ascender and a dominant descender that is ready for anything.


  • Hub Spacing // Boost 148mm (Axle and Hanger Included)
  • Headset // 44-56 Semi Integrated
  • Seat Clamp Size // 35mm
  • Seat post Size // 31.6mm
  • BB // 92mm Press Fit (PF92)*
  • Wheel Size // 29" or 27+
  • Recommended Fork Travel // 150 - 170mm

Find out more about the Rootdown HERE.