Promax MX37 Seatpost Clamp
Best minimalist upgrade for cyclists seeking reliable and affordable seatpost security.
A reliable, lightweight solution for securing a seatpost. The cold-forged construction ensures durability while remaining safe for sensitive frame materials, making it a dependable choice for riders who prioritize functional performance over flashy gimmicks.
$14.99
at
Airpark Bike Co
Who it's for
- Weight-conscious cyclists looking to optimize their bike's overall mass.
- Mountain bikers needing a dependable hold on technical terrain.
- Custom builders wanting to coordinate colors across their components.
Who should skip it
- Casual riders who prefer the convenience of quick-release levers.
- Performance racers seeking specialized aerodynamic or multi-functional components.
- Home mechanics who lack precise calipers for measuring frame dimensions.
Performance breakdown
Weight Efficiency
At just 4.5 grams, it adds negligible mass to your build.
Frame Compatibility
Safe for carbon frames, preventing damage while maintaining a secure grip.
Corrosion Resistance
Stainless steel hardware ensures the bolt won't seize over time.
Build Quality
CNC-machined aluminum offers a precise fit and clean, professional finish.
Installation Simplicity
A straightforward bolt-on design makes setup quick and hassle-free.
Clamping Security
Provides reliable, consistent pressure to keep your seatpost locked in place.
Key Specs
Material
6061-T6 aluminum alloy
Bolt Material
Stainless steel
Clamp Diameter
31.8 mm
Clamp Type
Bolt-On
Weight
4.5 grams
Compatibility
Safe for carbon frames
Know before you buy
Still have a question?
Ask Metto anything about the Promax MX37 Seatpost Clamp before you decide.