Following my MTB Maintenance series of Instructables, this installment is an in depth guide on how to strip, grease and rebuild the pedals on your mountain bike. The pedals in question in this Instructable are Crank Brothers 5050x with cone style bearings. This this Instructable only shows how to overhaul the pedals with the more common type of bearing, the cup and cone style, so if you have sealed cartridge bearings look elsewhere!, so lets get started!
Step 1: What you need.
As pedal overhauling is as complicated as hub overhauling, you need a selection of tools to get the job done, as follows:
Paintbrush with stiff bristles
12mm and 9/16 sockets
Socket attachment extender
After you have gathered these items, we can continue...
Step 2: Removing the dust cap.
To get to the bolts holding the axle in place you first need to remove the dust caps, this can be done easily with a regular kitchen knife by inserting it into the cap and prying it off, some other types of pedals have a cap where you have to put the sharp tip of a knife into the side to pop it off. Put the dust cap aside for re-installation later, after this has been done we can proceed with the removal of the axle.
Step 3: Removing the axle.
Now that you have the dust cap off you can undo the bolts holding the axle in place so you can remove it to get to the bearings, assemble the ratchet with the extender and the 12mm socket and place it inside the pedal where the dust cap was. If you look inside the pedal you should be able to see the bolt you are trying to get at, and using the 15mm spanner on the pedal thread flats, undo the bolt and shake it out of the pedal body, a washer will come out as well, set this aside, then take the 9/16 socket and attach it to the wrench, place it inside the pedal body to unbolt the cone, then CAREFULLY take the cone out of the pedal body without loosing any bearings, and move on to the next step.