Box One Carbon 22.2mm Handlebar Size:4.5in We flanked the high-density casing

We flanked the high-density casing with a tightly packed hoop of high-tensile steel wire bead

this wheelset is built to perform

Box Four adapts our Prime 9 philosophy of durability

We engineered the inner link spacing to be a little tighter than other 8-speed chains and is optimized for use with our Box Four Wide/Narrow Chainring

If you're looking to bring your 2/3 by bike into the 21st century

Box One Carbon 22.2mm Handlebar Size:4.5in We flanked the high-density casingUltra lightweight Box One Carbon BMX Handlebars are made using advanced carbon fiber technology. Designed for maximum performance. Made for standard 22. 2 bar bore stems. Weight Limit: 45 kg (99 lbs) or less with limitations as per Category 1 of EN 16054: 2012 Standard