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Btwin 80 mm Oversize Stem

Sale price: $24.99 Regular price:
Color: Select a color
Size: Select a size
Sale price: $24.99 Regular price:

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San Francisco, 735 Market St. Options

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Model: 8325779

Product Videos

Product Features

A photo of the Btwin 80 mm Oversize Stem in use

Btwin 80 mm Oversize Stem is designed for making your bike more comfortable.

Oversize stem (80 mm) for a more comfortable riding position.


For 1"1/8 (28.6 mm) steerer tube and oversize handlebars (31.8 mm).


6061 aluminum.

Optimized posture

Available in 60 mm, 90 mm, and 100 mm.


5 oz.

Product Customer Reviews

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61 Reviews
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Btwin 80 mm Oversize Stem,base color
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Excellent Product

Just what I needed to make my bike more comfortable . you would not think 20 mm would make a difference

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80mm stem

Works a treat for me. My LBS would have charged 3 times as much for a similar product. This is why I go back to Decathalon.

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B twin over size stem

Great just what you need to get going

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Shortens the reach of a full-out position

I bought a Alur 700 and was a bit stretched out on the hoods on th supplied 100mm stem. I was advised that a simple change of stem would make the bike far more comfortable - and it did. Whether this is true 'race monkey' rules, I don't know, but I can cycle further on the bike in comfort! Easy to change, following the video on the website although mine came with silvered bolts - which I swapped out for the ones on the 100mm stem for the black ones to complete 'the look'

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Excelente producto

Lo instale y llevo cientos de kilómetros sin ningún tipo de problema o detalle. Muy recomendable

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Buena relacion calidad-precio.

Lo esperado.

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Buena posición

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Buen producto

Buen producto y poco peso

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de lo mejor

buena calidad y muy buen ajuste

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Para manillar ancho

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Medida perfecta

És la medida que necesitaba, genial, lástima que la inclinación sea unica

No me quedo otra

Fui buscando una potencia de 90 o de 100....pero como no teníais ninguna de esas 2 medidas tuve que comprar la de 80 porque me urgia. Pero reconozco que relación calidad-precio esta adecuado.pero si hubierais mas surtido de medidas .....estaría mejor.

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buena potencia

Buena potencia, correcta y de buen material, la recomiendo.

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La verdad es que para mi altura , la potencia de 80 es perfecta

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Additional Product Information



  • 100% Aluminium 6061



Superior quality. Unbeatable prices.

For 40 years, Decathlon has delivered the best value in the retail sports industry by offering high-quality, sustainable and cost-effective products.

Decathlon makes the difference
  1. product-research

    Research and development

    delivers high-quality cost-effective products

  2. State-of-the-art production processes

    minimize manufacturing costs

  3. Optimized supply chain

    reduces retail prices

  4. laptop-checkout

    Minimal retail footprint

    lowers overhead and indirect costs


Size Guide Visual