Half Shell Helmet

Mips® equipped and eMTB-rated

Flowline SE sets the standard for safety within a modern, minimalist design. With 14 vents, an anti-microbial liner, and a Fidlock® magnetic buckle system, Flowline SE is the workhorse of trail helmets.

  • Mips® B-Series Rotational Impact Brain Protection System

    The ultimate protection for your head.

  • lightweight

    Coming in at 375g, you won't notice it the weight, while keeping your head safe.

  • Ventilation

    14 vents for maximum airflow

Mips® equipped and eMTB-rated
Mips® equipped and eMTB-rated
Mips® equipped and eMTB-rated
Half Shell Helmet

Mips® equipped and eMTB-rated

Flowline SE sets the standard for safety within a modern, minimalist design. With 14 vents, an anti-microbial liner, and a Fidlock® magnetic buckle system, Flowline SE is the workhorse of trail helmets.

  • Mips® B-Series Rotational Impact Brain Protection System

    The ultimate protection for your head.

  • lightweight

    Coming in at 375g, you won't notice it the weight, while keeping your head safe.

  • Ventilation

    14 vents for maximum airflow

Mips® equipped and eMTB-rated
Mips® equipped and eMTB-rated
Mips® equipped and eMTB-rated
1 20

Mips®

Mips® B-Series Rotational Impact Brain Protection System

Weight: 375g

VENTILATION

14 vents for maximum airflow

SHELL

Extended Coverage MTB Trail Helmet

RETENTION SYSTEM

Full 360-degree fit retention system with 3-way rear height adjustment

BUCKLE SYSTEM

Premium 3D Fidlock® magnetic buckle system

COMFORT LINER

Anti-microbial Quick Dry Premium Liner

EPS

Dual Density EPS for low and
high-speed impacts

VISOR

3-Way adjustable screwless visor

Size Chart

Measuring your head with a fabric tape measure around the circumference of your head holding the tape just above your eyebrows and ears. 1” = 25mm

Size SIZE RANGE SHELL EPS HEADLINE CROWN COMPATIBILITY RETENTION SYSTEM SIZE VISOR SIZE
YOUTH 48-53 Y Y 6 Y OS Y
XS / S 53 - 56 S S 6 XS / S OS OS
M / L 57 - 59 M M 6 M / L OS OS
XL / XXL 60 - 63 L L 6 XL / XXL OS OS

Compare Flowline Helmet Lineup

Flowline SE

Flowline
WEIGHT 375g 375g
SHELL MATERIAL Extended Coverage MTB Trail Helmet Extended Coverage MTB Trail Helmet
SHELL SIZES 4 shell sizes (YOUTH, XS/S, M/L, XL/XXL) 4 shell sizes (YOUTH, XS/S, M/L, XL/XXL)
ROTATIONAL DEVICE Mips® B-Series Rotational Impact Brain Protection System Mips® B-Series Rotational Impact Brain Protection System
IMPACT LINER Dual Density EPS for low and high-speed impacts Full wrap in-mold construction
COMFORT LINER Anti-microbial Quick Dry Premium Liner
VISOR SCREWS 3-Way adjustable screwless visor 3-Way adjustable screwless visor
NUMBER OF VISORS 1 1
CERTIFICATIONS Exceeds bicycle certifications: CPSC 1203, CE EN 1078, AS NZ 2063:2008*, E-bike certified NTA 8776 (* varies by regional standards) Exceeds bicycle certifications: CPSC 1203, CE EN 1078, AS NZ 2063:2008*, E-bike certified NTA 8776 (* varies by regional standards)
VENTILATION 14 vents for maximum airflow 14 vents for maximum airflow

Manuals, Certificates & Test Reports

Owners Manual

Stage 2 Owners Manual

Certificates

Certificate 1

Certificate 2

Certificat 3

Test Reports

Test Report 1

Test Report 2

Test Report 3