i have a beam-style torque wrench for the heavy-duty stuff, and a 4nm torque key for the small stuff.
just wondering how trust worthy that little key is?
does it lose accuracy, like a click-style can if dropped, or with age?
i was just tightening up some stem bolts, and it just seemed like it was much higher torque before it clicked, than in the past.
How are those little Torque Keys?
Moderators: robbosmans, Moderator Team
Not very. The click is a very simple mechanism that will be affected by use or extremes of temperature. Probably not so much by dropping though.
If it's plastic it might be affected by solvents, grease, oil etc.
You can get small beam wrenches for not much. Like this. https://www.bike-discount.de/en/buy/rad ... its-459400
If it's plastic it might be affected by solvents, grease, oil etc.
You can get small beam wrenches for not much. Like this. https://www.bike-discount.de/en/buy/rad ... its-459400
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The standard 5nm click style ones seem to be ok as long as the part requires 5nm. Anything less I feel they lose some accuracy. I use a Park TW-5 for my extralite and MCFK parts and never had a problem. The preset ones seem to always turn the bolt ever so slightly after it clicks, not enough control and a short travel "click" makes it easy to over do it. That's my experience anyways.
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I spend a lot of money on my frames. It would be silly to crack something for want of a quality tool that only costs a fractuon of the frame. I have Nice torque wrenches. I wouldn’t trust one of those cheap wrenches after a couple of years use.
Colnago e Campagnolo
If you want something reliable than you should buy the Proxxon or something similar. These torque screwdrivers are from 0.2 - 5.0Nm and they are tested, at least most of them. I use it for seatpost clamps - stems - hanger bolts that must be set on 2 - 4NM and it works great. Seatpost on my steel bike is on 2.8Nm and stem on carbon steerer is on 3.0Nm and that is well enough with some carbon paste.
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