Featherweight performance and strength to go the distance - the Zipp SL Speed Stem.
The Zipp SL Speed Stem represents the essence of carbon componentry - it’s stiff, secure and lightweight, with a sleek design that complements any bike.
It’s a perfect addition to a mountain climber’s favorite feather-light road bike whilst being tough enough to tackle gravel roads and cyclocross.
Designed using SRAM Exogram technology, found in the company's RED cranks, the new SL Speed Stem weighs just 123g (100mm) while exceeding their stiffness-to-weight standards. Zipp set a new standard of performance and style in 2013 with the introduction of the sprinter’s favorite carbon SL Sprint stem. Now the SL Speed stem broadens their carbon offerings with a light weight ±6° carbon stem.
The SL Speed is available in six sizes, ranging from 70 to 120mm, to meet any rider’s fit needs. It includes a stiff aluminum faceplate and titanium hardware Torx T25 heads for precise torque readings and ease of adjustment.
Zipp chooses Torx-head bolts for its stems and aero bars because they won’t easily strip, provide more accurate torque readers and are durable.
It comes down to the way the tool head interacts with the bolt. Common hex tools tend to strip the bolt head if the bolt is over torqued. This is especially true with lightweight bolts. Zipp wanted to be able to use a lightweight bolt with reliable performance.
Bolts on stems and aero bars are critical to safety – having a reliable bolt is crucial. The Torx head is more robust that hex-head bolts and will not easily strip. Torx fasteners also were designed for use with a torque-limiting wrench (torque wrench), which is needed to achieve the precise torque reading for proper installation.
SRAM Exogram technology - hollow carbon construction saves weight while retaining strength
Available in six sizes
6 degrees of positive or negative angle
Titanium Torx-head bolts to avoid stripping
Weight (100mm): 123g
Sizes: 70, 80, 90, 100, 110, 120mm
Material: Unidirectional carbon
Hardware: Titanium with Torx T25 heads
Clamp Diameter: 31.8mm
Steer tube diameter: 11/8in
Stack height: 41mm
Clamp width: 50mm
Maximum Clamp torque: 6Nm
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