Ergo armrest tightly cups arms for enhanced control and comfort in narrow positions
39-degree extension angle with 87 mm rise provides optimal aerodynamic benefit
80 distinct position options and 1200 configuration possibilities through armrest and riser adjustments
Easy extension length and width adjustment with shaft bolt and modular riser compatibility
Summarized by Shop
Description
The Subsonic/Ergo/39a aerobar combines the low stack Subsonic bracket with the arm hugging Race armrest to offer an industry leading fit range oriented towards low, narrow positions. The 39a extension offers a comfortable 39 degree angle with a 87mm rise. This is the only low stack clip on in the market that maintains the pad
Bracket
Subsonic, clamp diameter 31.8 mm or 26.0 mm (with shims, sold separately)
Armrest
Ergo, 10 mm pads, width 142 mm to 272 mm (18.5 mm steps), offset 85 mm to 17.5 mm (7.5 mm steps)
Extension length
340 mm
Extension angle
39 degrees
Stack height
Minimum 40 mm, up to 70 mm with risers (5 mm increments)