These new Internal Beadlock Rings allow for easier Mounting of the ProlineTires to the RC4WD Beadlock Wheels shown below in the notes. Machined Billet AluminumSpecial Blue AnodizingMade to fit Proline TiresOD: 2.18in / 55.5mmID: 1.91in / 48.6mm width: 0.82in / 21mmTotal Weight: 2.40oz / 68g4x 1.9 Proline Tire Compatible Internal Beadlock RingsFits Pro10 1.9" Steel Stamped Beadlock Wheel (Silver) (Z-W0073)Fits Pro10 1.9" Steel Stamped Beadlock Wheel (Black) (Z-W0074)Fits 1.9" Landies Internal Beadlock Wheels (Z-W0075)Fits Dick Cepek DC-2 1.9" Internal Beadlock Wheels (Z-W0080)Fits 1.9" Vintage Cruiser Stamped Steel Beadlock Wheels (4) (Z-W0082)Fits 6 Lug Wagon 1.9" Steel Stamped Beadlock Wheels (White) (Z-W0128)Fits 5 Lug Wagon 1.9" Steel Stamped Beadlock Wheels (White) (Z-W0127)Fits 5 Lug Wagon 1.9" Steel Stamped Beadlock Wheels (Black) (Z-W0129)Fits 6 Lug Wagon 1.9" Steel Stamped Beadlock Wheels (Black) (Z-W0130)Fits 5 Lug Wagon 1.9" Steel Stamped Beadlock Wheels (Chrome) (Z-W0001)Fits 6 Lug Wagon 1.9" Steel Stamped Beadlock Wheels (Chrome) (Z-W0002)Fits Dick Cepek gunmetal 7 1.9" Internal Beadlock Wheels (Z-W0027)Fits Mickey Thompson Classic Lock 1.9" Internal Beadlock Wheel (Z-W0007)Fits Raceline Monster 1.9" Single Beadlock Wheel (Z-W0140)Fits Rugged 1.9" Scale Beadlock Wheels (Z-W0162)Fits Octane 1.9" Beadlock Wheels (Z-W0160)Fits Onyx 1.9" Beadlock Wheels (Z-W0156)Fits Hazard 1.9" Beadlock Wheels (Z-W0183)Fits Bombshell 1.9" Beadlock Wheels (Black) (Z-W0171)Fits Raceline Monster 1.9" Beadlock Wheels (All Silver) (Z-W0187)Fits Raceline Monster 1.9" Beadlock Wheels (Black/Silver) (Z-W0189)Fits Raceline Monster 1.9" Beadlock Wheels (Black) (Z-W0185)Fits RC4WD Fuel Offroad Trophy 1.9" Beadlock Wheels (Black/Gray) (Z-W0202)