Race Face Aeffect R Stem
Best lightweight stem for aggressive trail and enduro mountain bikers.
This stem nails the balance between aggressive trail durability and a clean, minimalist aesthetic. It trades the adjustability of more complex cockpits for a rock-solid, zero-rise connection that keeps your front end feeling precise and uncluttered on technical descents.
$55.00
at
Bikes on Wheels
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Who it's for
- Aggressive riders seeking precise steering and front-end control
- Enduro racers needing a stem that survives heavy impacts
- Budget-conscious mountain bikers wanting premium performance and style
Who should skip it
- Cyclists unwilling to upgrade their existing 31.8mm handlebars
- Weight-obsessed racers looking for the lightest possible cockpit setup
- Riders sensitive to trail chatter and hand fatigue
Performance breakdown
Structural Rigidity
3D-forged aluminum provides a rock-solid connection for aggressive trail handling.
Weight Efficiency
Strikes an impressive balance between durability and keeping front-end weight low.
Installation Simplicity
The Top-Lock clamp design makes handlebar swaps and adjustments remarkably straightforward.
Cockpit Versatility
Multiple length options ensure a precise fit for various riding styles.
Aesthetic Integration
The continuous spine design offers a clean, modern look for any build.
Terrain Adaptability
Built to withstand the rigors of everything from trail to enduro.
Key Specs
Clamp Diameter
35mm
Lengths Available
32mm, 40mm, 50mm, 60mm
Stack Height
38mm
Rise
0 degrees
Material
6061 Aluminum
Steer Tube Diameter
1 1/8 inch
Weight
131g
Stem Length
50mm
Stem Angle
0 degrees
Steerer Tube Clamp Diameter
28.6mm
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