The Park Tool MT-20 Multi-Tool folded, click to enlarge
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Item # MT-20

/ Tools / Multi-Tools


The Park Tool MT-20 is a high quality folding take-along bike tool that features all the essential tools needed for a quick on-the-ride adjustment. The MT-20 features a selection of hex and star driver wrenches for most bolts and fittings found on a bicycle, as well as a universal screwdriver for derailleur adjustment and a CO2 cartridge inflator adapter to assist in reinflating flat tires — compatible with most bicycle tubes with a Presta valve. Built with forged aluminum side plates and hardened and plated tools to withstand years of use. With its compact lightweight size, the MT-20 is the perfect size for a jersey pocket or saddle bag.

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MT-20 Features


  • 3, 4, 5 and 8 mm hex wrenches
  • T25 Torx®-compatible driver
  • Combo cross/straight tip screwdriver
  • CO2 cartridge inflator adapter
  • Key ring holder
  • Dimensions: 60 x 33 x 22 mm (2.3" x 1.3" x 0.9")
  • Weight: 95 grams (3.35 oz.)

Support Videos


  • Aero Greeks Review Light, not too expensive, and also includes a CO2 adapter. The MT-20 is definitely a tool a triathlete, and really any cyclist, could consider a trusty riding partner, which is all we could ever want our multi-tool to be.

MT-20 Multi-Tool