Feb 10, 2019 · Whatever the reason, learning how to change your own bike pedals is a good skill to know…if only so you don’t have to pay a shop to do an easy, five-minute job. Aside from your spare set of pedals, you’ll need a pedal wrench or hex wrench (if there are no pedal wrench flats) and grease to get the job done right. The two most common styles used on bikes are 'click torque wrenches' and 'preset torque wrenches'. A preset torque wrench looks much like a normal allen key, with a handle. It will tighten ...Aug 01, 2009 · That should do just fine. As painful as it seems, the best solution is to have several torque wrenches, one each for low, medium and high torque (based on your needs). The 1/2" wrench will be great for those 50-200 lb-ft jobs, best at the mid to full scale torques.