The PROFILE Bolt On Silver 5-BOLT 110 BMX BIKE CHAINRING SPIDER is a high-quality bicycle component designed for BMX bikes. Made of durable aluminum, this chainring spider features a sleek silver color and a 19mm diameter. Will not fit spindles larger than 19mm. With a 110mm distance between bolt holes, this BOLT ON spider is compatible with Profile and all brand 110mm  chainrings and is ideal for various BMX bike styles including old school,  mid school and racing. Proudly made in the United States, this chainring spider is a reliable and stylish addition to any BMX bike setup.