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March 21, 2023, 12:12 p.m. -  Cooper Quinn

Again, you'll have to try pretty hard to convince me that bicycle drivetrain manufacturers are going to figure out significant gains in gearbox efficiency that motorcycle, car, airplane, and industrial manufacturers haven't figured out in decades.  But, there's also several gearbox options out there in the mtb world that are well tested - what's holding you back?

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