Box One Headsets Spacers

Box Two Headset Spacers

Extruded and CNC-machined from 6061-T6 aluminum, Box One Stem Spacers feature an ultra-minimalist design that is super lightweight. Weights range from 0.02 to 0.14 ounces (0.56 to 4 grams), depending on the size. Sold in packs of five, each set provides spacing adjustments from 1 to 20 millimeters. Available in anodized red, blue, and black to fit 1” and 1 1/8” forks. For the best performance, stack the spacers so the vertical supports are in alignment.

Lightweight Skeleton Design
Extruded and Wire Cut
CNC Finishing

Each kit includes the following spacers:

(2) one millimeter
(1) three millimeter
(1) five millimeter
(1) ten millimeter

Fits with these BMX Racing Forks and most other brands

Box One XS Fork with 1" Steerer Tube
Box One XE Fork with 1" Steerer Tube
Box One XL Fork with 1-1/8" Steerer Tube
Box One X2 Fork with 1-1/8" Steerer Tube
Box One X5 Fork with 1-1/8" Steerer Tube

Headset Spacer Specifications

53mm 60mm
Inner Diameter (Ø) 1" or 1-1/8"
Height 1mm, 3mm, 5mm 10mm 1mm, 3mm, 5mm 10mm
Material 6061-T6 Aluminum 6061-T6 Aluminum
Process Extruded Extruded
Weight 6.7 grams / 0.23 oz 8.2 grams / 0.28 oz