Na. That's tighten it till it's loose and back off 1/4 turn

I vote for no torque wrench. Just follow all standard assembly directions. "tighten until snug, careful not to overtighten" Actually someone who's never put a bike together before should use one. It's easy to strip aluminum threads and such.

The shimano tool is available. Go to this link and look at TL-FC33. Any LBS or mail order company should be able to get it for you.
https://bike.shimano.com/catalog/cycl...=1162243116446

I use an inexpensive click-style torque wrench. Since I've only installed one cassette, one BB, and two cranks, I don't have any feel for how tight they should be. I can tell you this, there is NO WAY I would have tightened these fasteners enough without this wrench. For me, the crank is particularly deceptive because the resistance increases much slower as it creeps up the taper in contrast to when you're just cranking a head-bolt into an engine.

I feel fine tightening any other fastener on the bike by hand but those three are pretty important and I want to make sure I get them right.

I forgot to mention, this socket tool is much more convenient than the wrench type on most full suspension bikes. The wrench version can hit the swingarm and only allows about 1/8 of a turn before forcing you to take it off and reposition it. It's nice to have even if you aren't using it with a torque wrench.

How about this? If you're inexperienced at working on bikes you should use a torque wrench. If you pay someone to work on your bike they should use a torque wrench. If you are experienced and don't use a torque then don't ask for warranty or sympathy if something goes wrong. Can we all decide to make this a Man Law and put an end this debate?

"Crank Adaptor Installation Tool for Impact Wrench."



Sometimes I wonder about Shimano. (Actually, no need to wonder about the guys who do the web site... )

What, you think the people working on the assembly lines building bikes are installing these parts with hand tools?

Not a chance.

Yeah, I know. Sometimes even I use a 3/8" air ratchet to remove cranks etc.. But I just got a visual image of the kid down in the tire bay trying his best to break wheel studs with the 1/2" gun.

No way I'd use an air tool to do an installation. Not without a calibrated clutch on the tool, which no consumer is gonna have.

Air wrench with a calibrated torque?

https://www.ferret.com.au/articles/d4/0c01bed4.asp looks like just the ticket for a "clicker" air wrench. Up to 48,600 Nm, which is slightly more than most bicycling tasks need.

On second thought... I think I will just going to stick with two clickers (1/2" and 3/8") for my wrenching needs...

Good thread for a n00B like me. I'm going out tomorrow and pick up a torque wrench before I try to make some configuration changes on my new bike. Especially since the sheet from the mechanic specifically states some parts were installed with one before delivery.

I'm going to limit the chance of breaking something, or worse, having something fail while I'm riding. God only gave me one skin, and I've already abused it enough in this life.