Merida Big 7 200-Bottom Bracket Upgrade Forum › Category: Questions › Merida Big 7 200-Bottom Bracket Upgrade 0 Vote Up Vote Down Reden Abunda asked 4 years ago Good day po unliahon. Ask ko lang po ano pweding ipalit sa BB-UN100 na gamit ko po ngayon. Pwede po ba sya ma upgrade sa Shimano alivio na hallow tech? Salamat po. Your Answer Visual Text 11 + 11 = Your Email Your Name Public Only Me & Admin