Shimano zee 10sp drivetrain groupset buildercrush every linethe zee provides a rock solid platform to support aggressive riding on mountain trails this is one groupset that gives you the confidence to find your flow and handle even the gnarliest of downhill rides if youre a newcomer to gravity riding zee is the perfect place to start dont settle for almost perfect use our groupset builder to create your preferred mix of ratios and sizes a 2 year warranty is offered with all shimano pr