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A1 Mountain Bike Helmets – troy lee designs – tld

Collection Description

A helmet with a long and storied lineage, the A1 is TLD’s answer to those looking for an all-mountain helmet with great fit, protection and style.

Equipped with both the MIPS® system and an EPS liner, the lightweight shell and absorbent liner offers up excellent impact protection and coverage.

A total of 16 vents keep more than enough airflow moving and with the quick-dry comfort liner, you’re ready for a full day on the trail.

A1 Helmets – troy lee designs – tld

Your safety is our PRIORITY.

A1 Helmet Styles
Shop A1 Youth
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A1 Features

  • Extra thick comfort lining with antimicrobial nano-wick materials
  • MIPS – on A1 Classic and Youth only
  • Full spectrum adjustable visor with + – 25mm range of motion
  • Anodized aluminum hardware
  • Versatile all-terrain design
  • Multi-position cam lock adjustable rear stabilizer with + – 20mm movement
  • 6 pressurizing intake passages
  • 6 rear vacuum vortex outlets
  • Aerospace filament reinforced shell liner
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A1 Accessories

Shop A1 Visors
Shop A1 Headerliner
Shop A1 Stabilizer
Shop A1 Screws
A1 Sizing Chart

Sizing Chart

Size XS S M/L L/XL
hat 6 1/4 – 6 3/4 6 3/4 – 7 7 1/8 – 7 3/8 7 1/2 – 7 7/8
cm 50 – 54 54 – 56 57 – 59 60 – 62
inch 19 3/4 – 21 3/8 21 3/8 – 22 22 3/8 – 23 1/4 23 5/8 – 24 3/8
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Press

VitalMTB

  • 4.5/5 Stars – “An exceptionally well-made, comfortable, and safe helmet.”

BIKE Mag

  • “Fit is quite superb. Quality construction and the peace of mind that comes with knowing you have this helmet on your head.”
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