Form and function.
Keepin’ it tidy.
Enduro-rated. Universally celebrated.
Four length options with no rise, the Aeffect R stem is ready for Down-Country, Trail, All-Mountain and Enduro. Available in 32mm, 40mm, 50mm and 60mm lengths for your precise fit.
Aeffect R Stem
Specs
| Clamp Diameter | 35mm |
| Stem Length | 32mm, 40mm, 50mm, 60mm |
| Material | 6061 Aluminum |
| Stack | 38mm |
| Rise | 0° |
| Steer Tube Diameter | 1 1/8” |
| Weight | 161g |
| Weight Conditions | 50mm length |
| eMTB Ready | Designed for the abuse of All-Mountain and Enduro riding, even on full-power e-bikes. |
Frequently asked questions
Is the Aeffect R stem eMTB Ready?
Yes, the Aeffect R stem is explicitly engineered and tested to be eMTB Ready.
Designed with Enduro-rated strength, this stem is built to handle the increased demands and stresses of modern electric mountain biking across disciplines like Down-Country, Trail, All-Mountain, and Enduro. Its construction uses 3D forged 6061 Aluminum that is precision machined for maximum strength and reliability.
Is the stem durable for aggressive riding?
Yes, the Aeffect R stem is Enduro-rated for strength and designed to withstand the abuse of All-Mountain and Enduro riding. It is built from 3D forged 6061 Aluminum and precision machined in critical areas to ensure incredible strength and reliability across demanding disciplines.
What handlebar clamp diameter does it support?
The Aeffect R Stem is designed for handlebars with a 35mm clamp diameter.
What is the stack height of this stem?
The Aeffect R Stem has a 38mm stack height.
Does the Aeffect R stem use durable 6061 aluminum construction?
Yes, the Aeffect R stem is built for uncompromising performance using 3D forged 6061 Aluminum that is precisely machined in critical areas to ensure exceptional strength and long-term durability.
This robust construction gives the stem wide application versatility, including:
- Enduro-Rated Strength: Designed for demanding All-Mountain and Enduro riding.
- eMTB Ready: Explicitly rated to handle the abuse of full-power e-bikes.
For specifications, the stem features a 35mm clamp diameter and a 00 rise. The base weight is 161g (for the 50mm length option).
Does the Top-Lock system improve stem performance?
Yes, the Top-Lock clamp style is a key engineering feature that provides several benefits:
- Enhanced Aesthetics: It creates a continuous, sweeping spine design that connects the faceplate to the body for a clean, aerodynamic look.
- Structural Integrity: By creating a more cohesive profile, it helps maintain the stiffness and responsiveness required for technical terrain.
- Secure Interface: The design is specifically engineered to handle the higher demands of aggressive riding styles, including eMTB usage.
Lifetime Warranty, Crashes Included.
Crashes are part of mountain biking. When they happen, we have your back.