Controltech CLS Seatpost - 350mm - 27.2mm

The Controltech CLS Seatpost is a lightweight and stiff component designed to enhance your cycling...

Best current price£32.99from Merlin Cycles

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Merlin CyclesControltech Black Cls Seatpost - / 350Mm / 31.6Mm
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Product Information

Full details

The Controltech CLS Seatpost is designed for road and mountain bike riders seeking a reliable, high-performance upgrade that balances durability with weight efficiency. Constructed from 6061 aluminum, this seatpost provides a stiff platform for improved power transfer and features a 10mm offset to help fine-tune your riding geometry. While it offers excellent value for year-round commuters and weekend racers alike, riders needing ultra-light carbon fiber components may find its 285g weight slightly heavier than high-end racing alternatives.

All features

Model Part NumberSP-1180
BrandControltech

Extended Product Information

FAQs

Is this seatpost compatible with carbon fiber saddle rails?

Yes, but ensure you do not exceed the recommended torque values for your carbon rails.

Can I use this seatpost for off-road mountain biking?

Yes, the 6061 aluminum construction is durable enough for XC and light trail mountain biking.

What tools are needed for installation?

You will typically need a standard hex key (Allen wrench) to adjust the clamp bolts.

How do I know if 27.2mm is the right size for my bike?

You can check the specifications on your existing seatpost or look up your bike frame's model manual.

Does this seatpost come in other diameters?

Yes, other variants like the 31.6mm version are available if your frame requires a larger diameter.

Troubleshooting

Saddle slips or tilts during riding

Clean the clamp area and ensure the stainless-steel bolts are tightened to the recommended torque specification.

Seatpost is difficult to insert into the frame

Verify that your frame diameter is exactly 27.2mm and apply fresh bicycle assembly paste to the post surface.

Audible creaking sound while pedaling

Remove the seatpost, clean both the post and the seat tube, re-grease, and reinstall with proper torque.

Pros and Cons

Pros

  • Durable 6061 aluminum construction
  • Reliable stainless-steel clamping hardware
  • Versatile 10mm offset for fit adjustment
  • Excellent strength-to-weight ratio
  • Suitable for all-weather conditions

Cons

  • Heavier than premium carbon fiber models
  • Limited to 27.2mm frame diameters
  • Fixed length of 350mm may not suit every rider

Setup, Compatibility & Care

To install the Controltech CLS Seatpost, first ensure your frame requires a 27.2mm diameter post, as this is a specific sizing that is not compatible with larger or smaller seat tubes. Clean the interior of the seat tube to remove any grit or old grease before insertion. Apply a light layer of bicycle-specific assembly paste or grease to the post to prevent oxidation and binding. When clamping the saddle, tighten the stainless-steel bolts in an alternating fashion to ensure even pressure across the rails. For care, wipe down the post with a clean cloth after wet rides and check the bolt tension periodically to ensure they remain tightened to the manufacturer's specified torque rating.

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