Extension length and rotation adjustment is controlled by just a single bolt. With 8 points of adjustment, the J4 Bracket can be fine-tuned to the millimeter to optimize the aero position.
Patent pending in-line wedge system designed to reduce drag and even clamping forces.
Ability to increase stack up to 80mm with optional Aerobar Bracket Riser Kit.
31.8mm bracket, 22.2mm extension
Forged and CNC'd 6061-T6 aluminum bracket. Marine-quality 12.9 grade bolts for corrosion resistance and additional strength
229g/pair (including bolts, bottom brackets)