Full Speed Ahead ACR Stem
Best integrated cockpit solution for performance road cyclists.
This stem is the ultimate solution for anyone obsessed with a clean, clutter-free cockpit. By routing cables directly through the stem and frame, it delivers a pro-level aerodynamic profile that looks incredibly sharp. You will sacrifice ease of maintenance for that streamlined aesthetic, but the performance gains and visual payoff are well worth the trade-off.
$143.00
at
Airpark Bike Co
More ACR options
Who it's for
- Performance cyclists seeking a clean and professional aesthetic
- Competitive racers looking to maximize every marginal gain
- Aggressive riders who prioritize front-end stability and control
Who should skip it
- Home mechanics who prefer simple and quick bike repairs
- Riders with standard frames looking for a universal stem solution
- Weight-conscious climbers aiming for the lightest possible build
Performance breakdown
Cable Integration
The ACR system sets the industry standard for clean, internal routing.
Aerodynamic Efficiency
Low-profile shaping significantly reduces drag compared to standard exposed-cable setups.
Structural Rigidity
6061 T6 aluminum provides a stiff, responsive feel during aggressive sprints.
Installation Complexity
Internal routing requires patience and specific frame compatibility for proper setup.
Weight Optimization
Solid construction, though slightly heavier than premium carbon fiber alternatives.
Clamping Security
Chromoly hardware ensures a reliable, slip-free connection to your handlebars.
Key Specs
Material
Aluminum 6061 T6
Weight
235 grams
Stem Length
90 mm
Stem Angle
6 degrees
Handlebar Clamp Diameter
31.8 mm
Steerer Tube Clamp Diameter
28.6 mm
Stack Height
30 mm
Stem Type
Threadless
Intended Use
Road Cycling, Gravel Cycling
Removable Faceplate
Yes
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