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HJC - Helmet Shields and Parts - HJC IS-17 Helmet Replacement Vents HJC - Helmet Shields and Parts - HJC IS-17 Helmet Replacement Vents HJC - Helmet Shields and Parts - HJC IS-17 Helmet Replacement Vents
 
HJC IS-17 Helmet Replacement Vents
Comparable Retail: $9.99
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Lower Vent - HJC IS-17 Helmet Replacement Vents
Rear Vent - HJC IS-17 Helmet Replacement Vents
Top Vent - HJC IS-17 Helmet Replacement Vents
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Information and Details about the HJC IS-17 Helmet Replacement Vents
made by HJC
  • HJC IS-17 Helmet Replacement Vents

  • HJC IS-17 Helmet Replacement Vents Product Reviews
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    Sizing Chart & Specs for the HJC IS-17 Helmet Replacement Vents

    HJC Helmet Standard Sizes
    SizeCentimetersInchesHat Size
    Childs S/M50 - 52cm19 3/4 - 20 1/8"6 1/4 - 6 1/2
    Childs L/XL53 - 54cm20 1/4 - 21 1/4"6 5/8 - 6 3/4
    XXX Small49 - 50cm19 1/4 - 19 3/4"6 1/8 - 6 1/4
    XX Small51 - 52cm20 - 20 1/2" 6 3/8 - 6 1/2
    X Small53 - 54cm20 7/8 - 21 1/4"6 5/8 - 6 3/4
    Small55 - 56cm21 3/8 - 22" 6 7/8 - 7
    Medium57 - 58cm22 1/4 - 22 7/8"7 1/8 - 7 1/4
    Large59 - 60cm23 1/4 - 23 5/8"7 3/8 - 7 1/2
    X Large61 - 62cm24 - 24 1/2" 7 5/8 - 7 3/4
    XX Large63 - 64cm24 3/4 - 25 1/4"7 7/8 - 8
    XXX Large65 - 66cm25 5/8 - 26" 8 1/8 - 8 1/4

    RPHA Series, FG-Jet, FG-17 Helmet Size Chart
    SizeCentimetersInchesHat Size
    X Small54 - 55cm21 1/4 - 21 5/8"6 3/4 - 6 7/8
    Small55 - 56cm21 8/8 - 22" 6 7/8 - 7
    Medium57 - 58cm22 1/2 - 22 7/8"7 1/8 - 7 1/4
    Large58 - 59cm22 7/8 - 23 1/4"7 1/4 - 7 3/8
    X Large60 - 61cm23 5/8 - 24" 7 1/2 - 7 5/8
    XX Large62 - 63cm24 3/8 - 24 3/4"7 3/4 - 7 7/8
    XXX Large64 - 65cm25 1/4 - 25 5/8" 8 - 8 1/8 1/4



    The sizing information is provided by the manufacturer and does not guarantee a perfect fit. However, we are happy to assist you with any needed exchanges.

    Note: the RPHA-Max seems to run a little smaller due to the thick padding and smaller overall shell design. Most size exchanges have been to up a size. So if you are on the fence. We recommend thinking about going up a size to start. However, please keep in mind the padding will break in some and a helmet that is a little tight vs. too loose for safety.
    Part Number Status for HJC IS-17 Helmet Replacement Vents
    Options SKU Comparable Retail Our Price Availability
    Top Vent, White HJ-I17TOP-WH $9.99 $8.99 Usually Ships in 1-3 Business Days
    Top Vent, Anthracite HJ-I17TOP-ANT $9.99 $8.99 Usually Ships in 1-3 Business Days
    Top Vent, Silver HJ-I17TOP-SV $9.99 $8.99 Usually Ships in 1-3 Business Days
    Top Vent, Black HJ-I17TOP-BK $9.99 $8.99 Usually Ships in 1-3 Business Days
    Top Vent, Matte Black HJ-I17TOP-MBK $9.99 $8.99 Usually Ships in 1-3 Business Days
    Rear Vent, White HJ-I17REAR-WH $9.99 $8.99 Usually Ships in 1-3 Business Days
    Rear Vent, Anthracite HJ-I17REAR-ANT $9.99 $8.99 Usually Ships in 1-3 Business Days
    Rear Vent, Silver HJ-I17REAR-SV $9.99 $8.99 Usually Ships in 1-3 Business Days
    Rear Vent, Black HJ-I17REAR-BK $9.99 $8.99 Usually Ships in 1-3 Business Days
    Rear Vent, Matte Black HJ-I17REAR-MBK $9.99 $8.99 Usually Ships in 1-3 Business Days
    Lower Vent, Silver HJ-I17LOW-SV $9.99 $8.99 Usually Ships in 1-3 Business Days
    Lower Vent, Black HJ-I17LOW-BK $9.99 $8.99 Usually Ships in 1-3 Business Days
    Lower Vent, Matte Black HJ-I17LOW-MBK $9.99 $8.99 Usually Ships in 1-3 Business Days
    Lower Vent, White HJ-I17LOW-WH $9.99 $8.99 Usually Ships in 1-3 Business Days
    Lower Vent, Anthracite HJ-I17LOW-ANT $9.99 $8.99 Usually Ships in 1-3 Business Days


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    HJC IS-17 Helmet Replacement Vents - Lower Vent
    Lower Vent
    HJC IS-17 Helmet Replacement Vents - Rear Vent
    Rear Vent
    HJC IS-17 Helmet Replacement Vents - Top Vent
    Top Vent