DT Swiss Enduro Ebike HX1700 rims + 370s Wheels 35mm. MULLET 29" - 27,5". Rims: DT Swiss HX 1700 29"- 27,5" Mullet 35mm inner idth. When you head into the unknown, whether on a 29er or a 27.5er, the HX 1700 rim ( HX 531 model ) with its 35 mm internal width is the perfect choice.