Renthal Apex V2 Stem - 35mm Clamp
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Product Information
Full details
The Renthal Apex V2 Stem 35mm Clamp is designed for performance-focused mountain bikers seeking refined cockpit integration and increased steering precision. Its key benefit is enhanced torsional stiffness, providing more direct control, while its premium lightweight construction appeals to racers and aggressive trail riders. A potential caveat is that its 35mm clamp diameter requires compatible wider handlebars.
All features
| Model Part Number | ASRNA254K |
|---|---|
| Brand | Renthal |
Extended Product Information
FAQs
What type of riding is the Renthal Apex V2 Stem best suited for?
The Renthal Apex V2 Stem is ideal for aggressive trail riding, enduro, downhill, and cross-country applications where precise steering control and lightweight performance are prioritized.
Can I use this stem with a 31.8mm handlebar?
No, this specific version of the Apex V2 stem features a 35mm clamp diameter and requires handlebars with a matching 35mm clamp diameter for proper fit and security.
What material is the stem made from?
The Renthal Apex V2 Stem is constructed from high-strength 2014 aluminium.
How do I choose the right length for me?
Stem length affects your riding position and reach. Shorter stems (like 33mm) offer quicker steering and a more upright position, while longer stems (like 50mm) provide a more stretched-out position and calmer steering. Consider your body size, riding style, and existing bike geometry.
What is the torque specification for the bolts?
Refer to the documentation that came with your stem or check Renthal's official website for the precise torque specifications. Overtightening or undertightening can damage components or lead to failure.
Does the stem come with bolts?
Yes, the stem typically comes with the necessary bolts for both the steerer clamp and handlebar clamp.
Is this stem compatible with carbon handlebars?
Yes, it is compatible with carbon handlebars. However, it is highly recommended to use a carbon assembly paste and ensure bolts are torqued to the correct specification to prevent damage.
Troubleshooting
Handlebar slips despite tightened clamp bolts.
Ensure the handlebar surface and clamp area are clean and free of grease or debris. Apply a thin layer of carbon paste if using carbon handlebars. Re-torque bolts to the specified value.
Stem creaks or makes noise.
Check all bolts for proper torque. Ensure the steerer tube and stem interfaces are clean. Apply a small amount of friction paste where the stem contacts the steerer tube.
Difficulty fitting stem onto steerer tube.
Ensure the steerer clamp is fully loosened. Check for any burrs or damage on the steerer tube or inside the stem clamp. Clean both surfaces.
Pros and Cons
Pros
- Significantly improved steering precision and control due to increased torsional stiffness.
- Lightweight construction without sacrificing durability, ideal for performance builds.
- Durable forged and CNC-machined for longevity.
- Designed to integrate cleanly with modern frame and handlebar standards.
Cons
- Requires handlebars with a 35mm clamp diameter, limiting compatibility with older or narrower bars.
- Premium pricing may be a factor for budget-conscious riders.
Setup, Compatibility & Care Instructions
Setup:
- Ensure you have a fork steerer tube with a 1 1/8" diameter.
- Verify your handlebar has a 35mm clamp diameter.
- Loosen and remove the bolts from the steerer clamp and handlebar clamp.
- Slide the stem onto the fork steerer tube to the desired height, ensuring the front of the stem is aligned with the center of the steerer tube.
- Tighten the steerer clamp bolts progressively and evenly to the manufacturer's recommended torque specification (typically found on the stem or in its documentation).
- Position the handlebar within the handlebar clamp and ensure it is centered.
- Tighten the handlebar clamp bolts progressively and evenly to the manufacturer's recommended torque specification.
Compatibility:
- Designed for 1 1/8" fork steerer tubes.
- Requires handlebars with a 35mm clamp diameter.
Care:
- Clean the stem regularly with mild soap and water. Avoid abrasive cleaners or solvents.
- Periodically check all bolts for tightness, especially after initial installation and after aggressive riding sessions.
- Re-torque bolts to the manufacturer's specifications as needed.