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    OVERSIZED PERFORMER

    Selecting the correct stem is crucial to your fit, form and function on the bike. It needs to be stiff so you’re not flexing away precious energy in sprints and accelerations. It must be reliable and strong but light. It has to adjust to your personal fit needs.

    The all-new Zipp Service Course SL-OS Stem checks off all of those boxes. In a first for Zipp, this ±6° stem is compatible with the “oversized” 1-1/4 inch steerer tubes used by frame makers Giant® and Canyon®. For those riding standard 1-1/8 inch steerer tubes, the Service Course SL-OS offers new fit options with included shims allowing the stem to be adjusted for ±4° ±6° or ±8° angles. The stem also is available in seven lengths from 70 to 130mm. All that helps you dial in your position on the bike like a pro.

    Forged from high-strength 7075 series aluminum, this stem is lightweight and stiff with a 1.73g/nm stiffness to weight ratio for better control and responsiveness. Features titanium hardware and TORX® heads on all bolts for precision torque readings and ease of adjustment. (More information below.)

    Available in high-polished Black with silver laser-etched graphics

    Specifications

    Weight (100mm) 140g
    Sizes 70, 80, 90, 100, 110, 120, 130mm
    Material 7075 Aluminum
    Hardware Titanium with Torx® T25 heads
    Clamp Diameter 31.8mm
    Angle ±6° (1-1/4); ±4°; ±6; or ±8° (1-1/8)
    Steer tube diameter 1-1/8 or 1-1/4in
    Stack height 41mm
    Clamp width 47mm
    Clamp torque - max 5Nm

    *Please note that our specifications may be impacted by running substitution changes, we highly recommend confirming the specifications of our products at the time of sale. *Recommended Retail Prices are subject to change without notice and may vary from store to store depending on freighting and assembly costs. Please read our Terms & Conditions

    *Giant & Liv Bicycles are available for purchase online, but due to warranty regulations, must be shipped to qualified Giant dealers, as bicycles must be assembled by a qualified bike mechanic in an approved store - This is an international policy and usually will require an additional fee to build the bike. This will be confirmed by one of our online staff after purchase of the bike.

    *Specialized Bicycles are available for home delivery nation wide.

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