Built for gravity-fuelled riding, the Lazer Chase KinetiCore is a downhill-certified full-face mountain bike helmet that delivers competition-level protection without the bulk. Whether you're lapping the bike park or pushing hard on technical descents, the Chase KC gives you the confidence to ride at the limit.

Highlights

  • KinetiCore rotational impact protection: Controlled crumple zones are built directly into the shell to absorb both direct and rotational impact forces — no separate MIPS liner needed.
  • ASTM downhill certified: Officially approved for downhill racing to ASTM F1952, CE, CPSC, and AS standards.
  • Integrated breakaway visor: Detaches cleanly on impact to reduce rotational forces transferred to the neck.
  • Double D-ring closure: Reliable, race-proven buckle system for a secure, rattle-free fit.
  • Advanced ventilation: 11 strategically placed vents keep airflow moving on climbs and transfers.
  • Plush inner liner: Sweat-wicking, removable padding system for comfort on longer rides.

KinetiCore Technology

KinetiCore is Lazer's integrated rotational impact protection system — the first of its kind to build crumple zones directly into the helmet structure rather than relying on a floating liner. In the event of a crash, these zones compress and redirect energy away from your head, addressing both linear and angled impacts that are common in real-world MTB crashes. The result is meaningful protection without extra weight or layers.

Construction & Design

The Chase KC is constructed with an EPS foam core and polycarbonate outer shell, giving a solid, protective feel while keeping the helmet manageable in weight. The wide eye port provides an unobstructed field of view, and the contoured shape accommodates goggles for enduro and downhill use. Available in matte black — a clean, trail-ready finish that resists scratches and wear.

Compatibility & Fit

This listing is for size L (58–60cm head circumference). Measure around the widest part of your head above the eyebrows before ordering and compare to the Lazer Chase size chart. Certified to ASTM F1952 (downhill), CE EN1078, CPSC, and AS/NZS 2063 standards. Compatible with standard MTB goggles. Always replace a helmet after any significant impact.

Lazer helmets carry a 2-year warranty against manufacturing defects. For warranty support, return the item to Tune Cycles.
  • KinetiCore integrated rotational impact protection — no separate liner required
  • ASTM F1952 downhill certified; also meets CE, CPSC, and AS/NZS standards
  • Integrated breakaway visor reduces rotational forces on impact
  • Double D-ring buckle for a secure, race-proven closure
  • 11 vents for effective airflow during climbs and transitions
  • Removable, sweat-wicking inner liner for washable comfort
  • Wide eye port for goggle compatibility and clear sightlines
  • Lightweight EPS + polycarbonate construction
  • Size L fits 58–60cm head circumference
BrandLazer
ModelChase KinetiCore
ColourMatte Black
SizeL
Head Circumference58–60 cm
Weight990 g (size M reference)
Vents11
ClosureDouble D-ring buckle
VisorIntegrated breakaway
ShellEPS foam with polycarbonate outer
Impact ProtectionKinetiCore (integrated rotational)
CertificationsASTM F1952, CE EN1078, CPSC, AS/NZS 2063
Helmet TypeFull-face MTB
SKU SHM-BLC2447892177
Barcode # 5400974024913
Brand Lazer