Juego de ruedas de carbono de freno de disco de llanta de 11 velocidades plegable de bicicleta de 20 pulgadas 451 3 radios
·Tire Size: 20"451 1-1/8 or 1-1/4 or 1-3/8. ·Spokes Tension: 180kg. (Spokes wheel does not need rim tape). ·Weave: UD/3K/3KT/6K/12K/12KT/18K/Marble. About Special Weave. Note: 100/130mm is rim brake, 100/135mm is Disc brake.