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Merlin Cycles£21.00Visit shop Controltech Black One Road Stem - / 80Mm / 31.8Mm / +/- 5º
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The Controltech One Road Stem is an ideal upgrade for road cyclists looking to balance weight savings with structural integrity. Engineered for performance and precision handling, this component is designed for riders who demand reliability without the premium weight penalty of heavy materials. While it offers excellent versatility for fitting your bike to your body, users should note that it requires precise torque management during installation to protect the aluminum structure.
| Model Part Number | 30309/100 |
|---|---|
| Brand | Controltech |
While it uses standard 31.8mm/28.6mm sizing, it is specifically optimized for road geometry and may not withstand the stresses of aggressive off-road terrain.
Yes, but ensure you use a torque wrench and potentially a carbon-friendly assembly paste to prevent damage to the carbon fibers.
The Controltech One Road Stem has a standard stack height of 40mm.
Yes, 6061 aluminum is highly resistant to corrosion, though it should still be kept clean and dry to maintain its finish.
Yes, the stem is designed to be reversible, allowing for either a 5-degree rise or a 5-degree drop.
Remove the faceplate, clean the contact surfaces of the bar and stem, apply a light coat of carbon assembly paste or grease, and re-torque the bolts.
Verify that the bolts are torqued to the correct specifications and ensure the handlebar diameter is exactly 31.8mm.
To install the stem, ensure your steerer tube is clean and free of debris. Slide the stem onto the 28.6mm steerer tube and attach your 31.8mm handlebars to the faceplate. It is critical to tighten the faceplate bolts in an 'X' pattern to ensure even pressure distribution across the clamp area. Use a torque wrench to follow the manufacturer's recommended settings—do not over-tighten. For care, wipe down the exterior with a damp cloth periodically and check the bolt tension every few months or after particularly rough rides to ensure nothing has vibrated loose.
