Replacing exercise bike crank... grrr

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ste d' indica

ste d' indica

Throw shaka, not shade.
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Howdy folks,

The pedal/crank fitting on mrs d's bike is done in, I've got a new crank, disassembled most of the parts and in theory I think the crank should come off the spindle but its completely stuck:


20201025_170911.webp


Tried some WD40 to maybe loosen it, hammered it a bit, 'kin thing ain't moving.

Any ideas before I just lash 80 quid on a new bike?
 

ste d' indica said:
Howdy folks,

The pedal/crank fitting on mrs d's bike is done in, I've got a new crank, disassembled most of the parts and in theory I think the crank should come off the spindle but its completely stuck:


View attachment 105997


Tried some WD40 to maybe loosen it, hammered it a bit, 'kin thing ain't moving.

Any ideas before I just lash 80 quid on a new bike?
Click to expand...
Apply heat to the area (hairdryer will do) to expand metal and loosen up the bits
 

ste d' indica said:
Howdy folks,

The pedal/crank fitting on mrs d's bike is done in, I've got a new crank, disassembled most of the parts and in theory I think the crank should come off the spindle but its completely stuck:


View attachment 105997


Tried some WD40 to maybe loosen it, hammered it a bit, 'kin thing ain't moving.

Any ideas before I just lash 80 quid on a new bike?
Click to expand...

Plenty of cranks on here after we have lost, take your pick
 

ste d' indica said:
Howdy folks,

The pedal/crank fitting on mrs d's bike is done in, I've got a new crank, disassembled most of the parts and in theory I think the crank should come off the spindle but its completely stuck:


View attachment 105997


Tried some WD40 to maybe loosen it, hammered it a bit, 'kin thing ain't moving.

Any ideas before I just lash 80 quid on a new bike?
Click to expand...

What's that black stuff where the crank's attached...grease or an adherent? Is it hard? (calm down at the back)
 

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