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    Sisu Biltwell L/S

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    In stock
    SKU
    GRUPP_01342279
    BILTWELL
    As low as €20.50 Regular Price €34.50
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    • Replacement removable liner for Biltwell Lane Splitter helmets
    • Hook and loop liner fastening
    • Brushed fleece Lycra absorbs and perspiration
    • Contrast box stitch detailing
    • Cheek pads installs using button snaps
    Brand
    BILTWELL
    Vendor part number
    0004-012-5702
    Base Color
    Black
    Color/Finish
    Black
    Display Color/Finish
    Black
    Fits Size Range
    S
    Material
    Lycra
    Model
    Lane Splitter
    Product Name
    Liner
    Size Group
    Adult
    Type
    Helmet
    Units
    Each
    More Information
    Brand BILTWELL
    Availability In the central warehouse
    Ships in 1-2 business days
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    Biltwell Helmet Size Chart – Adults

    Helmet Size Head Circumference (inches) Head Circumference (cm)
    XS20 7/8 – 21 1/453 – 54
    S21 5/8 – 2255 – 56
    M22 3/8 – 22 3/457 – 58
    L23 1/8 – 23 1/259 – 60
    XL23 7/8 – 24 1/461 – 62
    2XL24 5/8 – 2563 – 64

    Biltwell Youth Helmet Size Chart

    Helmet Size Head Circumference (inches) Head Circumference (cm)
    Youth S19 1/4 – 19 3/449 – 50
    Youth M20 1/8 – 20 1/251 – 52
    Youth L20 7/8 – 21 1/453 – 54

    Fit Notes by Helmet Model

    Model Fit Description
    Gringo / Gringo S Runs slightly snug; intermediate oval shape; consider sizing up if between sizes.
    Lane Splitter Athletic fit with narrow cheeks; fits tight at first but breaks in comfortably.
    Bonanza Low-profile open-face design; round oval shape fits wide heads better than others.

    Additional Sizing & Fit Guidance

    • Shell Sizes: Biltwell uses 3 shell sizes across the size range (XS–2XL) for better proportional fit.
    • Interior Padding: Helmet liners compress over time—new helmets should feel snug without pressure points.
    • Head Shape: Most Biltwell helmets are designed for intermediate oval heads (not round or long oval).
    • DOT / ECE Standards: All full-face models meet DOT and/or ECE safety standards.
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