What is a triple butted bike frame?

What is a triple butted bike frame?

A triple-butted tube means it has three different wall thicknesses along its length e.g. 0.9mm/0.5mm/0.7mm.

Is triple butted better than double butted?

Double butted tubes are thicker at both ends, the downtube for example where additional strength is required at the bottom bracket junction and headtube. Triple butted tubes serve the same purpose as double butted tubes but further reduce weight in the center.

What is triple butted MTB?

Butted tubing For example, triple butted means the tube, usually of an aluminum alloy, has three different thicknesses, with the thicker sections at the end where they are welded. The same material can be used in handlebars.

What is triple butted fork?

The squeezing down results in the wall thickness increasing at the narrowest part of the taper. Some might describe this as “butting” the end of the taper, and you might even go as far as saying the fork blade is “triple butted”, since it is likely that fork tip will have a different wall thickness than the other end.

What’s the difference between double butted and triple butted aluminum?

Double butted is when both ends have thicker walls and the middle has thinner. Triple butted is the same as double butted but the material removal is taken a stage further to make the walls in the middle even thinner.

What is a butted spoke?

Butted spokes have at least two distinct diameters: single-butted (SB) spokes are larger at the elbow and smaller along the rest of their length, while double-butted (DB) spokes are larger at the elbow and the thread and smaller in the middle section.

Why are bike frames made of aluminum?

Aluminum. The most common bike frame material, aluminum is known for being corrosion resistant, fairly light (though typically not as light as carbon fiber), and having a high strength-to-weight ratio. It’s also reasonably affordable, making it a popular choice for riders and racers on a budget.

What does custom butted mean?

Custom butted means that the tubeset is specially butted for the manufacturer, or the manufacturer “cherry picks” tubes from different tubing suppliers to arrive at the characteristics that they require.

How tubes are butted?

After heating to over 1000 C, a hole is pierced through the center to form a very thick-walled tube. The wall thickness and diameter of this tube are then progressively reduced by hot rolling and cold drawing until it is sized for the butting process.

What is a hydroformed bike frame?

One of those different manufacturing processes involves hydroforming – a process that uses fluid and high pressure to form the tube. In bicycles, this results in a frame that’s not only stronger but also sways less under pressure, allowing it to accelerate faster.

Is an alloy bike frame good?

While aluminium frames offer an impressive balance of strength, stiffness and low weight, aluminium alloys can be prone to long-term fatigue, unlike steel and titanium. However, aluminium frames tend to be less susceptible to crash or accidental damage than carbon frames.

Are triple butted spokes stronger?

Types of Butted Spokes Straight spokes (most often used on the three-cross) are purely aesthetic. They don’t provide any increased strength or reduce weight in any way, shape, or form.

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