Bottom Bracket Service Guide

Bushing Replacement

Bushing replacement can be done without removing the bottom bracket from the frame
Identify what spindle diameter your bottom bracket is built for. It should be laser marked on the outside of the bushings, but you can also tell based on the color of the spindle bushing

Use a flat edge or a thin knifeblade to get under the lip of the spindle bushing. Gently pry it up and out of the bearing, prying at multiple different points around the bushing to make it come out evenly
Before installing the new bushings you might consider adding more grease on top of the bearing at the gutter seal. It’s best to use a silicone based grease for best compatibility with the internal grease of the bearings, should the grease work its way inside over time
Carefully install the new bushings. The edge of the bushing has a lip which makes it slightly difficult to get started when pushing into the bearing. Take your time and push them in slowly so that the bushing stays aligned. It will snap firmly into place when it has been installed all the way in

Bearing replacement can only be done if you remove the bottom bracket from the frame
Identify what spindle diameter your bottom bracket is built for. It should be laser marked on the outside of the bushings, but you can also tell based on the color of the spindle bushing

Use a flat edge or a thin knifeblade to get under the lip of the spindle bushing. Gently pry it up and out of the bearing, prying at multiple different points around the bushing to make it come out evenly
To remove the bearing, install the removal puck, install the cup into the removal/install drift
Slot the bolt through the drift and removal puck. Install the washer and nut on the back side of the drift
Use an allen wrench and crescent wrench to tighten the nut and bolt until the bearing pops out of the cup
Flip the orientation of the cup in the removal/install drift
Place the new bearing onto the install puck with the gutter seal facing up (away from the cup)
Slot the bolt through the install puck and drift and install the washer and nut on the back side of the drift
Use an allen wrench and crescent wrench to tighten the nut and bolt until the bearing is fully seated in the cup
Repeat for the second cup