Bontrager Rhythm Comp Knock Block Stem
Best steering upgrade for mountain bikers needing frame impact protection.
This stem bridges the gap between proprietary frame protection and standard cockpit setups. It provides essential impact prevention for the frame while allowing riders to maintain their preferred handlebar choice.
$54.99
at
The Bike Line
Who it's for
- Trek owners seeking integrated frame protection during crashes
- Aggressive trail riders needing stiff, reliable steering performance
- Mountain bikers prioritizing a clean, modern cockpit aesthetic
Who should skip it
- Riders with non-Trek bikes lacking Knock Block compatibility
- Technical riders navigating extremely tight, slow-speed switchbacks
- Weight-conscious cyclists chasing the lightest possible build
Performance breakdown
Frame Protection
Knock Block integration effectively prevents costly frame damage from handlebar impacts.
Cockpit Adjustability
Multiple length options make dialing in your preferred reach straightforward.
Build Durability
Rugged aluminum construction withstands the rigors of aggressive mountain biking.
Installation Ease
Standard sizing ensures a hassle-free swap on most modern mountain bikes.
Steering Precision
Stiff design provides direct, responsive handling on technical trail sections.
Component Compatibility
Versatile design works well with standard headsets and 31.8mm bars.
Key Specs
Color
Black
Clamp Diameter
31.8mm
Steerer Tube Diameter
28.6mm (1-1/8 inch)
Rise
0 degrees
Lengths Available
50mm, 60mm, 70mm, 80mm
Material
Aluminum
Intended Bike Type
Mountain Biking
Compatibility
Knock Block system, standard headsets and spacers
Know before you buy
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Ask Metto anything about the Bontrager Rhythm Comp Knock Block Stem before you decide.
