Steel hub with metal center valve. Chrome plated 40-spoke replacement spoke wheel; laced and trued. Seals are installed; bearing spacing is pre-set and wheel is ready for installation. Wider than stock wheels are for wide tire applications. An OEM fitment may not be applicable due to OEM width restrictions in fender; belt; etc. Note: For all wire wheels it is advised to check spoke tension before installing the tire. After approx. 250km the spoke tension must be checked again to insure a correct spoke tension. After each 5000km; or as part of regular maintenance; a spoke-check is advised to insure spoke tension is still correct.