Wheels Mfg StackRight Pro Headset Spacer Kit 1-1/8" Red model-SOS Pump 16mm-12mm concave profile with 20

16mm-12mm concave profile with 20 preassembled steel pins for added grip

7yd) includes 4 Spank finish tapes

Thumb overlay panel for durability and aids in reducing blisters

Low-profile tread with diamond knurling to reduce rolling resistance and enhance grip in dusty or loose conditions with paddle knobs providing extra braking bite

Wheels Mfg StackRight Pro Headset Spacer Kit 1-1/8" Red model-SOS Pump 16mm-12mm concave profile with 20Wheels Manufacturing Pro StackRight Headset Spacer Kit Red. StackRight Headset Spacers look great and stay that way! No more misaligned headset spacers thanks to the StackRight technology which locks spacers together with an interlocking channel for a clean sleek look. The Pro kit features a flat top cap design which conceals the stem bolt for a custom finished look. Fits 1 1 8" threadless fork steerer Inner Diameter: 28. 9mm Outer Diameter: 34. 4mm