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The Troy Lee Designs Flowline SE is a premium half-shell trail helmet designed for mountain biking, enduro, and bike parks. Featuring MIPS® protection, E-bike certification, and a lightweight design, it offers superior safety and comfort.
The Troy Lee Designs Flowline SE is a premium half-shell trail helmet designed for mountain biking, enduro, and bike parks. Featuring MIPS® protection, E-bike certification, and a lightweight design, it offers superior safety and comfort.
Troy Lee Designs

Troy Lee Designs Flowline SE Dipped Helmet in Pumice/Charcoal

£144.00 £160.00 10% off
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Pre-Order

With Pre-Order, you can purchase the latest items added to our store in advance of them arriving with us.

Your Pre-Order is prioritised (at no additional charge); meaning that as soon as the product arrives with us, we can wrap it straight back up; ready for collection via Click & Collect or despatch to you — it often never even hits the stock room shelves!

Pre-Launch

With Pre-Launch, the date when we expect to receive the product ourselves is still a little too hazy to be confident in accepting Pre-Orders.

So, instead, you can submit your email address against the item you are interested in and we will email you as soon as stock arrives on the system.

Estimated Delivery & Collection Dates

Estimated Delivery & Collection Dates are given on Pre-Order and Pre-Launch products. They are for indication purposes only and can change at any time without notice.

The dates we provide are based on indications given by our suppliers. Whenever we get updated information from our suppliers we will endeavour to update the Estimated Delivery & Collection Dates provided on product pages.

We estimate this will be ready for despatch to you or collection via Click & Collect on Undetermined
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Hassle free returns

In the unlikely event that you are not satisfied with your purchase please feel free to return your items within 90 days of the purchase date for a full exchange or refund. Any item (excluding food, underwear or e-gift vouchers) can be returned to us for any reason within 90 days, provided that the item has not been used or fitted and is returned in its original packaging with valid proof of purchase.

It is recommended that you use a recorded delivery service or return to a store to ensure your items are received by us. We cannot assume responsibility for items that are lost in transit back to us.




Terms & Conditions

Items must be returned in their original packaging and unused. Refunds will be issued once the product(s) have been received and inspected.

Click & Collect customers can buy with confidence knowing that they can review the item before deciding whether it is right for you before leaving the store. Should you decide it's not right for you, it can be conveniently exchanged or refunded straight away, or you still have up to 90 days to return it if you are still unsure.

Please note:
1. If the items we have sent you are faulty, damaged or not as we described, we will cover the cost of collection and the delivery of the correct item.

2. If we have delivered the correct bike but upon inspection, you decide the bike is not the one for you, we will charge you £50 for collection (£100 from Northern Ireland). If you do not have the original box in usable condition, we will charge you an additional £15 to provide one.

Refunds will be processed using the same method of payment used for the original purchase. Credit & debit card refunds must be made to the card used for the original purchase.

We are unable to offer a refund without a valid proof of purchase.

Troy Lee Designs Flowline SE Dipped Helmet in Pumice/Charcoal

Season:AW26

Brand:Troy Lee Designs

Code:TLD11086300P/C

The Troy Lee Designs Flowline SE is a premium half-shell trail helmet designed for mountain bikers who want high-level protection, comfort and style on every ride. Built for MTB, trail riding, enduro, bike parks and off-road cycling, the Flowline SE combines advanced safety features with a lightweight, modern and minimalist design.

Safety and Protection

This helmet is equipped with the MIPS® B-Series Rotational Impact Brain Protection System, which helps reduce rotational impact forces. It has achieved a five-star safety rating from Virginia Tech and is NTA-8776 certified for E-Bike usage. The construction features dual-density EPS foam to help protect against both high and low-speed impacts, while the full-wrap in-mould design strengthens the outer shell. Extended rear coverage provides added protection for mountain biking.

Design and Comfort

The Flowline SE is designed to be lightweight, weighing in at 375g. It features 14 high-flow ventilation ports to help keep the head cool and dry during intense rides. The TLD precision fit system includes three height settings for a secure fit, and the soft antimicrobial comfort liner helps reduce odour. A Fidlock® magnetic buckle allows for easy one-handed fastening, and the three-position adjustable screwless visor adds to the modern, minimalist styling.

Technical Specifications

  • Safety technology: MIPS® B-Series Rotational Impact Brain Protection System
  • Certification: NTA-8776 E-Bike rated
  • Construction: Dual-density EPS foam, Full-wrap in-mould
  • Ventilation: 14 high-flow ports
  • Fit system: TLD precision fit system with three height settings
  • Liner: Soft antimicrobial comfort liner
  • Buckle: Fidlock® magnetic buckle
  • Visor: Three-position adjustable screwless visor
  • Weight: 375g
Technical Information
  • Brand
    Troy Lee Designs
  • Safety technology
    MIPS®
  • Ventilation
    14 high-flow ports
  • Construction
    Dual-density EPS foam, Full-wrap in-mould
  • Coverage
    Extended rear coverage
  • Fit system
    TLD precision fit system with three height settings
  • Liner
    Soft antimicrobial comfort liner
  • Buckle
    Fidlock magnetic buckle
  • Visor
    Three-position adjustable screwless visor
  • Size range (Youth)
    45-53 cm
  • Size range (XS / S)
    53-56 cm
  • Size range (M / L)
    57-59 cm
  • Size range (XL / XXL)
    60-63 cm
Sizing Information
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