Bicycle Maintenance
Here’s some info you might find convenient the next time you’ve to torque on a stubborn nut on your bike.
Machinist’s Workshop magazine actually examined penetrants for break out torque on corroded nuts. Substantial effects!
They set up a subjective exam of all the common penetrants with the control being the torque necessitated to remove the nut from a “scientifically corroded” environment.
*Penetrating oil ….. Average load*
None ………………… 516 pounds
WD-40 ……………… 238 pounds
PB Blaster …………. 214 pounds
Liquid Wrench ….. 127 pounds
Kano Kroil ………… 106 pounds
ATF-Acetone mix….53 pounds
Tips and Tricks – Bicycle Maintenance
The ATF-Acetone mix was a “home brew” mix of 50 – 50 automatic transmission fluid and propanone. Note the “home brew” was better than any commercialized product in this one special test. Their local mechanic group mixed up a batch and they all now utilize it with equally effective results. Observe also that “Liquid Wrench” is almost as effective as “Kroil” for about 20% of the price.