If you don’t find it here I bought a new one on Ebay last month for $30
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FYI - I’ve gotten a Vision Crank that used Mega EXO BB to work with Shimano Hollowtech II BB’s (it is a tight fit but works). Shimano Hollowtech II BB’s are pretty cheap to buy new too ($20 or so online for 6800 BB’s even).
I have a really nice Enduro Zero Ceramic BB (new take-off) that would fit perfectly. Please see here: http://forum.slowtwitch.com/forum/Slowtwitch_Forums_C1/Classifieds_F2/FS%3A_New_KMC_X10SL_chain%2C_GIRO_ADVANTAGE_2_helmet%2C_ENDURO_ZERO_CERAMIC_BB%2C_and_more_(team_LIQUIDATION_SALE)_-_pics!_P5874589/?search_string=milano#p5874589. Asking price negotiable!
I have one that you can have for $22/shipped in lower USA. I have a ceramic FSA one for $66/shipped. LMK.