2 Speed to 3 speed external cogs upgrade in detail (MiniMODs X3 Unibody Cog Set or X2+1)
http://bikegang.store/LHL4C X3 Unibody Cog set (11-14-17t) on Joseph Kuosac (was 2 speed wheelset) In addition to the narrower 11 speed...
How about Handlebar? Why is ergonomic important?
Some aftermarket choices H&H Ergonomic Angled 550mm long Seamless Titanium Handle bar : S type, lower Rise, Riser M sizes (Black or...