Sram is dropping your 2 speed hub, and all internal gear designs they got from Sachs, in the buy-out,
for the more lucrative higher end stuff, 1 by 12 off road , and race bike bits.
Sturmey Archer TW continues to make a products in that market niche Internal gear and kick back 2 speeds,
so look there for your replacement wheel , thru your LBS?
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