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[XXX-er]

2 ugga duggas

Technically its 50Nn, or 36ft pounds, so if your wrench is 12" (1 foot long) you put 36lbs into it, or 1/5 of your body weight.
More force than from the wrist, more force than from the elbow, just force from the shoulder, less force than bending at the waist, less force than lifting your feet.

I had an old, quiet, straight faced mechanic tell a young shop kid, when asked "how hard do I tighten this cassette?" his response was: "not so much force that you shit yourself"

"tighten it up till it breaks and back off 1/4 turn " was a favorite saying at coffee shop where we swapped war stories

I used to sometimes fix HW in another guys area, buddy was 6'5" 300lbs, he had huge hands, a pretty good tech but he overtightened everything so it was in your own best interest to assume everything was overtightened, fortunately he went into software

[jackstraw]

Random question: Do rotors matter? Switching from centerlock to 6 bolt and want to know if there's a specific "better" rotor. Generally ride in areas with a lot of wet, so less squeak is better.

I think almost all wet brakes squeak, but typically dry quickly. Bedding in the rotor and pads is key though.

[skaredshtles]

I will say, lug nuts are one of the very few things I actually use a torque wrench for.

Yup. Have been doing it since the Honda service bulletin...

[J. Barron DeJong]

nobody torqued lug nuts last century but at least since the honda service bulletin to torque lug nuts which they said warped discs every tire store uses a torque wrench and puts a little sign on the mirror telling you to come back in 100kms for the re-torque

but I wouldn't bother torquing a cassette

Now that I have a 3/8” drive torque wrench I do end up torquing my lock ring, but that’s really just because I’m a little OCD (ok, moderately OCD), and can’t handle the thought of not doing it ‘properly’ if I have the tools available.

Never had an issue the 100’s of times I did it without a torque wrench…

[XXX-er]

after hundreds of thousands of iddy biddy fasteners I have an " inner torque wrench" so I don' torque much but some things you definalty need a torque wrench for

[toast2266]

Yup. Have been doing it since the Honda service bulletin...

I've been doing it ever since I discovered the hard way that Subaru wheel studs are made out of cream cheese and they'll strip if you look at them hard. Easier to use a torque wrench than replace studs.

[skaredshtles]

I've been doing it ever since I discovered the hard way that Subaru wheel studs are made out of cream cheese and they'll strip if you look at them hard. Easier to use a torque wrench than replace studs.

Yeah - IIRC the torque requirement for our old '97 Outback is pretty low...

[XXX-er]

Back in the day american cars were huge they all had steel rims, we used an air wrench on the wheel nuts, I never eva torqued the wheel nuts on any of the tire work I did

but that was like in the 70's

[Boissal]

I used to go all caveman on the stuff that required 40+ Nm and torque by hand (real fucking tight minus a bit) but a couple years ago I trashed a cassette lockring and had a moment of panic thinking I had stripped the HG hub body. Had another incident with Ms Boissal's bike and an overly tight lockring which cost me 4 knuckles after the chain whip slipped off somehow and I ended up punching the cassette.
These days I have a 1/4" drive wrench for low torque stuff and a 3/8" for the other end of the spectrum and I'm pretty much doing everything with torque control. I find it easier to keep track of the bits that my various allen wrenches which are never where I think I've left them. Took me a couple of wrenching sessions to learn the recommended torque for most stuff and now it's part of my process and I don't think it costs me too much extra time.

[Andeh]

I tighten by feel anything I might adjust on the trail (stem to steerer clamp, brake clamps, seatpost clamp, pedals, axles, etc.). I figure if there's a chance I'd have to, say, readjust brake levers after a crash by feel, it's good enough to do it like that in the garage.

Basically everything else gets torqued, particularly cranks, cassettes, and any pivot bolts. I especially do it for anything requiring many ugga-duggas, so that I'm able to actually undo the thing at a later date.

[El Chupacabra]

FWIW, Harbor Freight has inexpensive 1/4" drive torque wrenches that work quite well. Measurement is in in-lb, so print up a in-lb to n-m conversion table and pin it above the workbench.

[snowaddict91]

FWIW, Harbor Freight has inexpensive 1/4" drive torque wrenches that work quite well. Measurement is in in-lb, so print up a in-lb to n-m conversion table and pin it above the workbench.

The ratchet gears in my 3/8" HF torque wrench recently took a shit, but I had been happy with it until then. It is probably at least 7 or 8 years old, so I suppose I got my money's worth out of it.

[sethschmautz]

The ratchet gears in my 3/8" HF torque wrench recently took a shit, but I had been happy with it until then. It is probably at least 7 or 8 years old, so I suppose I got my money's worth out of it.

They have a lifetime warranty on those... Just saying.

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[detrusor]

Does no one put the lock ring tool in a vice anymore?


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[J. Barron DeJong]

Does no one put the lock ring tool in a vice anymore?


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No. That was for freewheels, not cassettes.

[sethschmautz]

Does no one put the lock ring tool in a vice anymore?


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Yes, but only in my torque vice.

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[Dee Hubbs]

I don’t know how to calculate 50Nm in a vise/steering wheel/twisting motion.

[rideit]

Depends on wheel circumference!

[jm2e]

Prolly just one Ugga Dugga.


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[climberevan]

Def just one ugga dugga for a 29er. Might need 1.5 UD for a 26" wheel, though.

Tires are not easy to come by, or cheap, so i sewed mine back together and then coated it inside and out with E6000. It's holding so far after a rugged 42mi ride, so I'm hoping to wear this tire out.

[skaredshtles]

Def just one ugga dugga for a 29er. Might need 1.5 UD for a 26" wheel, though.

Tires are not easy to come by, or cheap, so i sewed mine back together and then coated it inside and out with E6000. It's holding so far after a rugged 42mi ride, so I'm hoping to wear this tire out.

<looks at tread> That tire is already worn out.

[climberevan]

I also glued this one back together after nearly tearing a knob off. Holding after about 60mi of singletrack.

[teledad]

I don’t know how to calculate 50Nm in a vise/steering wheel/twisting motion.

T = F * r * sin(theta)

[climberevan]

<looks at tread> That tire is already worn out.

Nope. Those are file tread tires--they are supposed to be that way. That one only has like 400 miles on it. I didn't expect it to work, but it's fine. The gravel tires with knobs don't really work much better since the knobs are so short. I just ride with the knowledge that I have minimal traction.

[skaredshtles]

Nope. Those are file tread tires--they are supposed to be that way. That one only has like 400 miles on it. I didn't expect it to work, but it's fine. The gravel tires with knobs don't really work much better since the knobs are so short. I just ride with the knowledge that I have minimal traction.