Torque wrench for bikes

[Wayners]

I have this torque wrench and wondered if it's ok for use on a bike? I don't know what power wrench would work well for a bike?
2-24 Nw
ex

 

[saneagle]

I'm no expert, but I'm going to say that it's going to be brilliant for every nut or bolt that requires a torque between 2NM and 24NM, and useless for anything outside that range.

Seriously, though, it'll do just about everything on an ebike, except crank bolts and BB. You can still use it, but you need to go a bit tighter after it clicks, though that sort of torque is pushing it for 1/4" drive.

 

[Raboa]

This might help

Torque Specifications and Concepts

The basics of torque and torque wrench use on bicycles, including a table of various torque spec recommendations.

www.parktool.com

 

[soundwave]

i got 1 years ago used it a few times and sat ever since

 

[Nealh]

Never yet used for a push bike or an E one ..

 

[Bikes4two]

Never yet used for a push bike or an E one ..

I was the same until recently in that the crank bolts on my TSDZ2 required 40nm to be tight enough to stop them loosening and my guessing as to 'tight enough' was in fact quite a bit lower than that required.

And I'm using a front hub motor on carbon forks and I needed to ensure 30nm tightness.

Apart from those two instances though, I'd never used a torque wrench on a bike but there again my working life had given me much exposure to mechanical things.

Going back to the original post - having a torque wrench is one thing but knowing what torque to set for any particular use is another so unless the OP has a list of all the fixing's torque on there bike then the wrench isn't going to be that useful.

 

[AndyBike]

Yeah thats Ideal 2-24 covers about everything bar the cranks and cassette lockring.
As many components are alloy, overtightening can cause loads of issues, and constant overtightening will wear the threads possibly leading to a failure there, or components with an alloy clamp can snap if too tight, or move in use if too loose

Places you need to be extra careful, are things like stems/bars or brake mounts. Over tighten an alloy stem on an alloy bar, it could lead to the bar failing. Carbon components are even more torque critical

I'm pretty rigid about following recommended torques, but mainly cos ive rather pricey components, so I wouldnt want to break something or worse have it loosen off in use.

Anyone looking to leave cackhandedness behind I've heard Norbar is a good one to get.

#TIP- Never leave the wrench torque set if not in use, always back it right off as the internal spring can be weakened, which will effect the setting by giving you a false reading.

I use the effetto mariposa giustaforza ii deluxe 2-16nm, with a small fixed head so it fits into tight places. It's not cheap, but very reliable, and I've had mine for at least 10 years.