Why is it hard to pedal a bicycle? Fix bike bottom bracket

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00:00 Why is the pedaling of my bike difficult?
00:16 It's hard to ride a bike.
00:41 How to remove bicycle bottom bracket.
02:22 Bike bottom bracket is very difficult to rotate.
02:37 How to remove bike bottom bracket with caged bearings.
03:06 What inside bike bottom bracket with caged bearings.
04:55 Special tool to remove bike bottom bracket with caged bearings.
05:42 Unbox new bicycle bottom bracket with loose bearings.
06:25 What to do if the bicycle bottom bracket cannot be dismantled.
07:26 How to clean the threads in bicycle frames for bicycle bottom bracket.
08:35 Apply grease to bicycle bottom bracket.
09:13 How to install bicycle bottom bracket.