Hope pro 2 evo rear hub sram xdthe now proven range of pro2 hubs have gone from strength to strength since they were launched countless tests reviews and of course rider feedback have shown that the pro2 is everything that we designed it to be we have a couple of noticeable changes on the hubs now first one is that they all now run stainless steel bearings throughout bringing them inline with pro3 these means longer life smoother free running and even more value for money with the bea