Cleaning Bike Crank Bearings at Wallpaper

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Cleaning Bike Crank Bearings. Once you've got them clean, look at what you have. Have a friend stabilize the bike if needed, and use an 8 mm allen wrench, turning counterclockwise, to remove the bolt.

2 1 Piece Crank Bearing 5/16" ball size x 7 balls. Set of bearing
2 1 Piece Crank Bearing 5/16" ball size x 7 balls. Set of bearing from www.walmart.com

A cone, which applies preload to the bearings. Use a small jar & some degreaser in it & with an old toothbrush scrub the bearings thoroughly making sure to spin them gently to get all grit out. As a result of bolt loosenment over time, they shouldn’t need to be tightened again.

2 1 Piece Crank Bearing 5/16" ball size x 7 balls. Set of bearing

Make a good join of hex key maintaining the proper size. If your bearings are still coated in nasty, repeat the process. Flip the wheel around, always applying pressure to the axle so as to not let the bearings fall out. The first step to greasing bike crank bearings is to put the bike in a bike stand.