Join Date: Feb 2004
Location: St Peters, Missouri
Bikes: Catrike 559 I own some others but they don't get ridden very much.
Mentioned: 3 Post(s)
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Quoted: 166 Post(s)
I've got a couple of them: I use one with 3/8 drive for cranks and bottom brackets which I'd probably undertorque if left to my own judgement. I use one with 1/4 drive for high dollar stems and carbon fiber parts which I'd probably overtorque or not tighten evenly if left to my own devices.
Other than that, I pretty much just guess: Little bolt - just snug it down. Big bolt - crank that puppy.
If you don't have a torque wrench, here's a way to educate your guess that works on big bolts. The torque spec for crank bolts is usually around 30 lb/ft. Imagine a 30 pound weight hanging on the end of a foot long wrench handle. Tighten it that much.