The Street > The Bike Shop
Quick Questions
Dr. Steve Brule:
--- Quote from: hugh. on September 29, 2014, 12:06:08 PM ---Whats a good torque wrench for working on bicycles?
--- End quote ---
Park are always a good shout.
Admiral Ackbar:
fyi the park tools torque wrench is just a rebadged and blue painted off brand one you can get on ebay for like 1/2 the price. here in the US the craftsman wrench is the same as the park and cheaper as well but idk if you've got craftsman over the pond
G:
Depends what torque you want to hit. If you want to be able to hit low values like 4Nm for stuff like carbon steerers it is best to have a low range one, (I actually just have allen keys with washers welded on the end, and pull using a digital scale, which is much cheaper and very accurate).
:)
G.
Owen:
--- Quote from: G on September 29, 2014, 04:59:17 PM ---Depends what torque you want to hit. If you want to be able to hit low values like 4Nm for stuff like carbon steerers it is best to have a low range one, (I actually just have allen keys with washers welded on the end, and pull using a digital scale, which is much cheaper and very accurate).
:)
G.
--- End quote ---
Care to explain how you do that measuring using a digital scale. Sounds genius, but I can't quite figure out what you are doing...
G:
--- Quote from: Owen on October 01, 2014, 07:23:31 AM ---
--- Quote from: G on September 29, 2014, 04:59:17 PM ---Depends what torque you want to hit. If you want to be able to hit low values like 4Nm for stuff like carbon steerers it is best to have a low range one, (I actually just have allen keys with washers welded on the end, and pull using a digital scale, which is much cheaper and very accurate).
:)
G.
--- End quote ---
Care to explain how you do that measuring using a digital scale. Sounds genius, but I can't quite figure out what you are doing...
--- End quote ---
1. Get cheap allen key.
2. Weld on a small extension and a washer a bit like one of those D-keys but with the washer sideways.
3. Arrange overall length so that from axis of rotation to the "eye" of the washer is 100mm.
4. Hook digital spring balance through "eye" and pull perpendicular to arm of allen key.
Resulting figure on the scale in Kgs is pretty damn close to torque in Nm.
If the scale has a "max" then all the better.
I will try to get a photo next time I am in the workshop.
:)
G.
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