Skip to main content

Happy 2024! This year marks our 10th year of conjuring up cycling magic in the Laurel District. Our February 2024 hours are: M-F 11-6, SAT 10-5. Wait time for most repairs is 1-3 days. Questions? E-mail us at or text/call us at 510-328-1158.

BOX Two 22.2 X 1" Top Load Stem

BOX Two 22.2 X 1" Top Load Stem
  • Color: Black
Clamp Diameter:
Steerer Diameter:
Please select options


The Box Two Front Top is a modern 1 inch by 22.2mm stem designed specifically for BMX racing. Box Two Top Load stem bodies are cold-forged and CNC-machined from the highest quality 6061-T6 aluminum. The lightweight front clamps are cold-forged and CNC-machined for increased stiffness and strength.

-Material: 6061-T6 Aluminum
-Process: Cold-Forged
-Hardware: Chromoly Clamping Bolts
-Finish: Anodized w/Laser-Etched Graphics

-40mm: 138 g / 4.9 oz
-45mm: 150 g / 5.3 oz

Part Numbers

Option UPC MPN
22.2mm / Black / 40mm / 5° / 1-inch 616043829135 BX-ST1801T40-BK
22.2mm / Black / 45mm / 5° / 1-inch 616043829166 BX-ST1801T45-BK