I have a question I'm hoping some folks here might answer. I recently added an FSA Patterson-Metropolis CVT to my 20" recumbent. I'm running an SRAM 11-28 cluster. My gear inches went from 25-89 to 18-75. With only limited riding, I can say that I'm please with its performance. And it's nice to be able to climb the many hills here in Kuala Lumpur.
I'd next like to swap the SRAM for an internally geared hub. I'd like to keep the low gearing where it is, but get the high gearing to mid 90s or above. A Sturmey Archer XRF8 and the Nuvinci N360 both achieve this.
I'm aware of the weight of both, and of some issues regarding reliability with SA. One potential issue with the Nuvinci N360 is the input torque in the low gears. I regret that I'm not entirely clear how this works, but I don't want to have a setup that is outside the warranty.
As I'm in Malaysia where I won't have any support for either product, I need something less likely to fail. So, if you had to choose...?
Many thanks to those who respond.