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  • Effetto Mariposa Giustaforza II 2-16 Pro Torque Wrench
  • Effetto Mariposa Giustaforza II 2-16 Pro Torque Wrench Case
  • OptionsEffetto Mariposa -
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Effetto MariposaGiustaforza II 2-16 Pro Torque Wrench
Sale 7% Off$232.50 $250.00

Item # EFF000A

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  • Red, One Size ($232.50)
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Item # EFF000A

The Ferrari of Torque Wrenches.

A $240 torque wrench may leave you scratching your head, but believe us when we say that this is the Ferrari of torque wrenches. The Italian-designed, engineered, and manufactured tool was conceived specifically for use with bicycles, and the Effetto Mariposa Giustaforza II 2-16 Pro Torque Wrench isn't found at your local auto parts store, yet for whatever exclusivity is worth, it matches with equal parts function.

The Giustaforza is incredibly simple to use: just insert the appropriate bit, then set the desired torque by adjusting the knob on the handle. When torque has been reached the wrench produces a loud "CLICK" and enables three degrees of free movement. The Giustaforza's capacity ranges from 2-16Nm, and its beautiful red anodized aluminum body will visually stand apart from any other tool you own — unless you don't want it to, in which case you can leave it in its beautiful EVA foam-padded metal case. It relies on zero batteries or electronics, ensuring a lifetime of use, and yet it weighs less than half as much as many competing wrenches, so even once that lifetime passes and you're old and frail, you'll still have no trouble wielding your Giustaforza.

The Effetto Mariposa Giustaforza Pro II 2-16 Torque Wrench comes in one size and in the color Red. Please note that bits are not included but are sold separately.

  • 2-26Nm capacity
  • Heads included: [10x25mm] HEX2, HEX2.5, HEX3, HEX6, T10, T15, T20, T30, -3/16, +PH1, [3x100mm] HEX4, HEX5, T25, [1x100mm] extension
Tech SpecsWeight
Tech Specs
Other Tools
[10x25mm] HEX2, HEX2.5, HEX3, HEX6, T10, T15, T20, T30, -3/16, +PH1, [3x100mm] HEX4, HEX5, T25, [1x100mm] extension
Recommended Use
bike maintenance
Manufacturer Warranty
limited lifetime

Claimed Weight

Claimed weights are provided by the vendor.

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198 g

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Unanswered Question

How long is the wrench?


Does this thing have a ratcheting mechanism? Not a ‘deal-breaker’, but it would be nice.

This does indeed have a ratchet! Please feel free to reach out if you'd like to discuss this tool... It's one of the best!

Work of art tool

  • Familiarity: I've put it through the wringer

I had a torque wrench and bought this because it was just plain gorgeous. It turns out that it is also useful. I have the first version of this and the torque settings are spot-on. I am lucky to have a local machine shop that does high-precision work and had them check it. It came within 2%. The analog dial is also quite accurate. As a rule, and except for the crank components, I slightly under-torque most of my components like the seat post, bars, etc. I have never had anything slip.

Avg. ride time: 7h 8m per week
  • Average ride time is based on Strava activity over the last 3 months. Give your reviews credibility by connecting your account.

Gorgeous precision torque wrench

  • Familiarity: I've used it several times

Not cheap by any means but this tool is simply gorgeous and so well suited for work on a bike. Small enough to get practically anywhere and very precise. You pay for what you get and some people will say hey this is too expensive. Fine don't buy one. Some tools are just worth it and this one spoke to me. BTW, until they get the site correct on this, I got this from CC but through Amazon. It does not come in a tin like the picture (something of a bummber) but did come in a red plastic wrap up with velcro which is probably more practical when you think about it. NOTE THOUGH THE WRENCH DID COME WITH THE BITS SO YOU DON'T HAVE TO BUY THE SEPARATE SET CONTRARY TO WHAT IS SAID ABOVE.

Any chance you have checked to see if it's actually +/-4%. I own the Park tool torque wrench and out of the box it was well beyond rated spec.