The newly upgraded front surfing base, compared with Water bridge, improves the turning flexibility, the range is greater, and the steering force is improved. Water bridge occasionally has the feeling of freezing, S1 steering is smoother, and the steering range is . Product parameter: The PU column is random color, cannot be and specified color Truck: 6.25inch Material: aluminum alloy colour: gold Package Contents: 1 x S1 base 1 x Water bridge rear base 1 Pair x 6.25inch skateboard bracket Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.