General description Brand new and high-quality silicone road bike rack cover designed for ST2400/3500 models. This product is made from durable silica gel and comes in a sleek black color. Technical specifications Compatibility: ST2400/3500 Color: Black Material: Silica gel Package Contents: 10 Pair x Gear Shift Covers Measurement allowed error: +/- 1-3 cm Other information Note: Light reflection and different displays may cause the color of the item to differ slightly from the real thing.