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Thomson Masterpiece C Seatpost
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Masterpiece C Seatpost

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Thomson Masterpiece C Seatpost, a Carbon Fiber Dream Come True

The Thomson Masterpiece C carbon seatpost represents an evolution of the groundbreaking Elite collection you've come to love and trust.

Titanium hardware, precision adjustability, proven performance. The Masterpiece C pairs exquisitely with Thomson's Elite series stems, seatpost collars and handlebars for a complete cockpit collection.

Thomson designs and materials go through extensive lifespan and durability testing, ensuring every production lot of seat posts meets Thomson's aerospace-grade standards.


  • Features Ti hardware and alloy clamp for lightweight functionality
  • Infinite tilt adjustment from - 5 and + 29 degrees
  • 350mm seatpost length
  • 30.9 and 31.6mm diameter options available
  • Weight: 190g (30.8mm)

B-Stock - This product has one or more B-Stock units available. These units can be purchased at a discount (see option select). B-Stock units were returned from other customers and may have missing or damaged packaging materials. These units are otherwise as new. The full manufacturer warranty applies. Click Here for more information.

The product weight specified is an approximate weight based on the manufacturer's specifications (if available) or our measurement of one or two examples. For most products, the weight will typically vary by 5% to 10%.


Seatpost Type: Rigid 


Setback: 0 degrees

27.2 x 350mm - 0mm Offset

Weight: 179 grams

Seatpost Clamp: 27.2 mm

Mfg PartNum: SP-C101 

30.9 x 350mm - 0mm Offset

Weight: 190 grams

Mfg PartNum: SP-C103 

Seatpost Clamp: 30.9 mm

31.6 x 350mm - 0mm Offset

Weight: 191 grams

Seatpost Clamp: 31.6 mm

Mfg PartNum: SP-C102