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Thomson Seat Collar


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One of the best upgrade options out there! Not only does the Thomson Seat Collar look awesome, it also works incredibly well, as would be expected from the company that brought aerospace engineering and cycle componentry together to create superior CNC machined bike parts.

The seat collar is made from beautifully machined high strength 7000 series aluminium (the same type as is used for Thomson’s stems and seatposts) and is designed to clamp the seatpost consistently and effectively with just a very low torque (2.8Nm), making it a great option for delicate carbon posts/frames.

Available in silver or black, the seat collar is a premium option which will not break the bank - or your carbon post! A win-win option.

Thomson Seat Collar

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  • 2 riders
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Product features
  • Open Road
  • Mountain Trails
  • City
In Detail
  • Made from 7000 series aluminum
  • Available in various sizes
  • 12.7mm tall (on the inside)
  • Recommended torque: 2.8Nm
  • Engineered for maximum strength and clamping force with minimum torque
  • Ideal for use with carbon posts and/or frames
  • Beautiful machined, you’d be hard pushed to find a nicer seat collar
  • Made in America
  • Check existing seat collar to determine required size
  • Alternatively measure the outside diameter of your seat tube
  • Compatible with carbon seatposts and frames - follow torque requirement instructions carefully!
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Thomson Seat Collar

Where is my order sent from?

All orders are packed & shipped from our HQ in the UK on the same day you order, if in stock and ordered before 3pm GMT Monday to Friday.


We offer both mail and express ship options courtesy of Royal Mail, UPS and DPD depending on the country.  Below you will find a rundown of default delivery costs, but to see your personalised shipping cost, please visit the delivery section of checkout when you have added some items to your bag. Please note that orders of bulky items will attract a surcharge.

N. AMERICA Up to 10 working days, from $8 2 day, from $15
EUROPE Up to 5 working days, from €5 Next day, from €12
SCANDINAVIA Up to 5 working days, from €5 Next day, from €12
AUSTRALIA / NZ Up to 10 working days, from $10 3 day, from $25
JAPAN Up to 10 working days, from ¥700 3 day, from ¥1800
REST OF WORLD Up to 14 working days, from $10 3 day, from £25

60 days return period

You may return items from your order for any reason up to 60 days after delivery. 

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