Installing 3 pc BMX cranks

[jet-ski]

Hey,

My lh crank does not seem to want to go onto the spindle without 'encouragement'. Is it OK to 'seat' the crank arm with a hammer?

 

[The_Guy]

had the same problem with mine,
what i did was grease the spindle ( where the crank fits) and then smashed it in with a mallet(not a hammer)

hope that helps

 

[jet-ski]

Yeah I think I'll have to buy a mallet tomorrow - seems like there are a lot of uses for them

 

[That guy]

With any cranks you should grease them before you install but if the crank is a 48 spline (one that has a ton of ridges), you'll need to use the compression bolt on the end of the spindle to push them on.

 

[jet-ski]

Just a 6 sided spindle... but I learned a new trick! if you put a metal shim in the split (I used an old butter knife) and thread in the pinch bolt against the shim it spreads the crank a little, and you can slide it on easy! I grease everything

 

[The_Guy]

With any cranks you should grease them before you install but if the crank is a 48 spline (one that has a ton of ridges), you'll need to use the compression bolt on the end of the spindle to push them on.

umm mine's 48 spindled and i just used grease and a mallet and it worked