Can I put a 12-speed sprocket on a BMX bike?
Md Ariful Islam
বিএসসি(সিএসই)
,
এমবিএ(মার্কেটিং)
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Dr. Md Rushad Rahman
এমবিবিএস(আরপিএমসি)
,
পিজিটি(মেডিসিন)
It's possible, but difficult, and usually it's more expensive than buying a 20" bike with gears already installed.
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Answered