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High-Precision Bicycle-Specific Torque Wrench! Precision carbon parts require precision tools.

"Perfect for a mobile tool box... an absolute requirement... Makes me look forward to doing bike assembly."
-by Sean Walling, Soulcraft

"We find the sharp click it gives off at lower torques to be a distinct advantage."
- John Barnett, Director, Barnett Bicycle Institute

"…you have gear that costs way too much for you not to have the Giustaforza..."
- Charles Manantan, PezCyclingNews.com

"…small, neatly designed, accurate, reasonably priced…"
- James Huang, CyclingNews.com

"The GF torque wrench is a brilliantly designed tool that should be in every serious home mechanic's shop."
- Uncle Al, RoadBikeRider.com

"…simplest to use...an elegant little torque wrench…"
- Lennard Zinn, VeloNews.com

"…using the Giustaforza is a simple pleasure…"
- Justin Steiner, Dirt Rag

"…so convenient to use that you will tend to use it on all delicate bolts…"
- VeloNews

"Essential…for the ham-fisted, useful…for the more experienced."
- John Stevenson, BikeRadar.com

"…a real boon in the age of carbon fiber frames and components."
- Road Bike Action Magazine

          Effetto Mariposa®
GiustaForza "GF"
   Bike Torque Wrench

The GF is the first bike torque wrench specifically designed for precision lightweight bicycle parts.


Purchase Now
$184.95

  • Ideal torque range, 2-16 Nm
    (17.7-141.6 inch-pound)
  • Ready to use, with 16 bits included
  • Extremely user-friendly
  • Small, lightweight, & strong
    5.96 ounces (169g)
  • Professional precision +-4%
    (calibration service available)
  • Easy and safe to carry
  • State-of-the art tool
  • Made in Italy
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