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  • Thomson Stem Top Cap Black
  • Thomson Stem Top Cap

The Thomson Stem Top Cap is a precision-machined finishing component designed to complete the look and function of your headset and stem setup. Crafted to Thomson’s exacting standards, it provides reliable preload adjustment while adding a clean, understated finish to your cockpit.

Manufactured from high-quality aluminium for strength and low weight, the top cap is compatible with standard threadless headsets and pairs perfectly with Thomson stems and components. Ideal as a replacement or upgrade, it delivers the same durability, fit, and premium finish expected from Thomson products.

Key Features:

  • Genuine Thomson component
  • Aluminium construction
  • Compatible with standard threadless headset systems
  • Provides secure headset preload adjustment
  • Clean, minimalist Thomson design
  • Fits 1-1/8" steerer
  • Bolt not included

Stem Top Cap

2 Reviews2 total reviews

SKU: TH-SM-A001-BK / Barcode: 875850000384
The Thomson Stem Top Cap is a precision-machined finishing component designed to complete the look and function of your headset and stem setup. Crafted to Thomson’s exacting standards, it provides Read more
Sale price £9.20 Regular price RRP £10.00 SAVE 8%
Colour

In stock with supplier: despatched in 1-2 days

90 Day Returns

The Thomson Stem Top Cap is a precision-machined finishing component designed to complete the look and function of your headset and stem setup. Crafted to Thomson’s exacting standards, it provides reliable preload adjustment while adding a clean, understated finish to your cockpit.

Manufactured from high-quality aluminium for strength and low weight, the top cap is compatible with standard threadless headsets and pairs perfectly with Thomson stems and components. Ideal as a replacement or upgrade, it delivers the same durability, fit, and premium finish expected from Thomson products.

Key Features:

  • Genuine Thomson component
  • Aluminium construction
  • Compatible with standard threadless headset systems
  • Provides secure headset preload adjustment
  • Clean, minimalist Thomson design
  • Fits 1-1/8" steerer
  • Bolt not included

Customer Reviews

4.5
Rated 4.5 out of 5 stars
Based on 2 reviews
Total 5 star reviews: 1 Total 4 star reviews: 1 Total 3 star reviews: 0 Total 2 star reviews: 0 Total 1 star reviews: 0
100%would recommend this product
Customers Talked About
2 reviews
  • CW
    Chris W.
    Verified Buyer
    I recommend this product
    Rated 5 out of 5 stars
    1 year ago
    nice

    very well finished to match your other Thomson components

  • NT
    Nick T.
    Verified Buyer
    I recommend this product
    Rated 4 out of 5 stars
    1 year ago
    Well made but expensive what it is.

    This top cap is a nice bit of finishing kit for your Thomson Stem but given the stems aren’t cheap they should always come with them

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