Re: Mark 25 prob hub question. Home › Forum › Ask A Member › Mark 25 prob hub question. › Re: Mark 25 prob hub question. 20mercmanUS Member - 1 Year (includes $3 online payment fee)Replies: 613Topics: 23 December 23, 2017 at 8:37 pm #68928 The one has slipped. Dave McKinney has the parts to repair these props. He is in Gainesville GA. Steve