What did you learn from doing your own research first?




i found this.. Complete guide to bottom brackets - BikeRadar USA


Ever seen an Arbor Press ? they are really not that hard to make..

for the kinds of forces needed you probably dont even to use steel Angle Iron or I beams..

Its a frame to resist the pushing down with a simple upside down Hydraulic Jack

mounted to the top of the frame , with Your Project at the bottom.


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