FIFTY-FIFTY Aluminum Alloy Mountain Bike Stem

What kind of aluminum is used in bicycle frames?

Aluminum bike frames are mainly made from aluminum alloys: alloy 6061 and alloy 7005. Some other aluminum alloys, for example, 7075 and 2014, stronger, than both alloys 6061 and 7005, but they are not enough suitable for the manufacture of bicycle frames, because they are almost impossible to weld, at least, usually argon-arc welding.

When did they start making alloy bike frames?

Alloys are metals with other elements added to improve properties like strength or stiffness. Alloy frames are a relatively recent introduction to the world of bicycling. While models of aluminum bikes date from as far back as the 1890s, issues with mass production and joining aluminum tubing safely prevented their mass production until 1983.

Where did the idea for Fiftyone bikes come from?

The fifty-first FiftyOne was created for Melbourne based cyclist who approached us through one of our international representatives. He is a cyclist to the core. Born and bread. In his youth, he spent much of his time absorbed…

Which is the best stem for a mountain bike?

The Hixon (and lighter, narrower bar Frazer XC combo) add an instantly futuristic look to your front end. They’re available to mimic fashionably short stem reaches and the latest versions extend span from 760 to 780mm.


FIFTY-FIFTY has been designing and manufacturing mountain bike parts since 2012. Its main focus is delivering heavy-duty and high-quality components at an affordable price. Their bike stems were created for 1-1/8 steering tubes and 31.8mm handlebars. They were also designed to help you get the most out of your bike in terms of performance and comfort. Speed and durability are a must when it comes to mountain bikes and so the stems were analyzed and engineered in order to create a product that will not break or bend under stress. They are also lightweight and made of 6061T6 aluminum.


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