Bike Tube Bottom Bracket

Clean lines, better function. The 1Up Tube Bottom Bracket is a sleek finishing piece for 1Up bike racks, eliminating exposed hardware and streamlining your setup. It’s a small detail—but one that speaks to those who care about every inch of their build. Whether you're refining your look or protecting your gear, this upgrade delivers that final touch of polish. Subtle. Functional. Exactly how it should be.