The 4 Best 40 mm Headset Spacers (2023 reviews)

40 mm headset spacers
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Are you planning to buy 40 mm headset spacers, and are you confused about the options ? You have landed on the right page.

Our review process:

Our Top Picks:

Odier 40 mm Headset Spacer
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Farbetter 40 mm Headset Spacer
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Wheels Manufacturing 40 mm Headset Spacer
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Wheels Manufacturing Carbon fiber Headset Spacer
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Odier 40 mm Headset Spacer

Odier 40 mm Headset Spacer
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The odier 40 mm headset spacer's material feels more premium than its price would suggest. It is great to have on hand when changing out stems. If you have a carbon frame bicycle, they have them in carbon fiber too. The set contains enough spacers to completely replace your existing spacers, which you will want to do for aesthetic reasons. These also have a thinner profile than carbon spacers, which stacks nicely with an aluminum stem for a finished look.

These are wonderful and the different mix of sizes allows you to match the perfect height spacing. It fits with the stem riser perfectly. The several sizes give the right adjustment needed. It is easy to have a precise height adjustment, the six piece of spacer can add 40mm height totally, enough for most situations.

Why We Like This:
  • Nice set of steering tube shims, good selection of sizes
  • Nice machining and nice to get 3 10mm in one pack
  • Very good product, nice fit, looks great, very strong and light weight
  • Look good, easy to install, and are nicely priced

Farbetter 40 mm Headset Spacer

Farbetter 40 mm Headset Spacer
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It looks way better than a stack of thin spacers. This kit provides most of the necessary spacer length. It is designed for 1 x 30 mm headset spacer. This package contains two different sizes, 30mm, 40mm, and the larger size allows you to put in place in one step, and the two sizes can overlap seamlessly. It is perfect for most mountain bikes, road bikes, and 28.6 mm front bar fork bikes. It is perfect fit to extend the handlebars up.

Why We Like This:
  • Simple upgrade with huge visual results
  • Nicely finished, cut square and smoothed ends
  • Thicker and heavier than 2 20mm wheels mfg spacers, but looks better
  • Better than stacking a lot of thinner spacers

Wheels Manufacturing 40 mm Headset Spacer

Wheels Manufacturing 40 mm Headset Spacer
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Not everyone likes to purchase spacer for their daily usage, but the wheels manufacturing 40 mm headset spacer would be an anomoly.

Why We Like This:
  • Aluminum headset stack spacers precision cut to ensure proper headset function
  • Good brand reputation

Wheels Manufacturing Carbon fiber Headset Spacer

Wheels Manufacturing Carbon fiber Headset Spacer
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If you want nothing but the best reliable spacer, then wheels manufacturing carbon fiber headset spacer is the one you should definitely consider, as it manages to bring a lot to the table. This one seems somewhat more nicely finished and certainly has a larger inside diameter. It can slightly reduce weight and improve steering.

Why We Like This:
  • Requiring more upright riders to install riser stems for more comfortable riding positions
  • Precision-machined carbon fiber in various thicknesses
  • New and hot release