Urban Street Ramps flatbar grindrail The flatbar grindrail from Urban Street Ramps is suitable for grinds and slides with your skateboard, stunt scooter or inline skates. This grindrail is 185 cm long and can be set to two different heights: 15 & 30 cm. This grindrail can be used separately or attached to the large launch skateramp from Urban Street Ramps. Specifications: Color: silver Gender: junior, unisex Material: steel Rail length: 185 cm Adjustable heights: 15 cm & 30 cm Age: from 6 years