6”Spun Aluminum Wheel. kit includes. 2 - 6”spun aluminum wheels. 2 - 5”calipers and 4-1/2”rotors. all lines and fittings. axles included 5/8” or 3/4” 5/8”precision ball bearings are 800 GVW. 3/4” precision ball bearings are 1100 GVW. To be run tubeless, but tubes may be used. 3-3/4 lbs. per side wheel and brake.