Promax MX-112C Seat Clamp
Best lightweight upgrade for cyclists needing a secure 34.9mm seatpost fit.
This bolt-on clamp is the definition of set-it-and-forget-it reliability for your seatpost. By stripping away unnecessary bulk with clever cutouts, it offers a lighter, cleaner profile without sacrificing the rock-solid grip you need for aggressive riding.
$8.99
at
CBI Bikes
More MX-112 options
Who it's for
- Aggressive riders needing a secure, slip-free seatpost hold
- Weight-conscious cyclists looking to shave grams off their build
- All-weather riders wanting a corrosion-resistant, long-lasting component
Who should skip it
- Cyclists who prefer tool-free, quick-release seat height adjustments
- Mechanics prone to over-tightening or stripping delicate aluminum threads
- Commuters needing frequent, rapid seat height changes on the go
Performance breakdown
Clamping Security
Bolt-on design provides a rock-solid hold that won't slip under pressure.
Weight Efficiency
Strategic cutouts shave grams without compromising the clamp's structural integrity.
Installation Simplicity
Standard bolt-on mechanism requires basic tools but lacks quick-release convenience.
Build Durability
Robust construction ensures long-term reliability for daily riding and maintenance.
Aesthetic Appeal
Minimalist black finish offers a clean, professional look for any frame.
Compatibility Range
Strict 34.9mm sizing limits use to specific seat tube diameters.
Key Specs
Material
Aluminum
Clamp Diameter
34.9 mm
Clamp Type
Bolt-On
Clamp Mechanism Type
Bolt On
Clamp Style
Standard
Weight
31.75 grams
Bike Type Compatibility
Fitness Bikes, Road Bike
Dropper Post Compatible
False
Know before you buy
Still have a question?
Ask Metto anything about the Promax MX-112C Seat Clamp before you decide.
