Lazer Bul­let hel­met

£219.99, madi­son.co.uk

Cyclist - - New Gear -

he devel­op­ment of per­for­mance hel­mets changed for­ever when Mark Cavendish won the 2011 World Cham­pi­onships wear­ing a snap-on aeroshell over his hel­met. It served as the cat­a­lyst for the ‘aero-road’ niche – hel­mets not quite as slip­pery as a full TT set-up but a lot faster than con­ven­tional lids.

Af­ter sev­eral sea­sons where it sim­ply of­fered a re­mov­able cover to make its top-tier Z1 more aero­dy­namic, Lazer has joined the fray in earnest with a ded­i­cated aero-road de­sign – the Bul­let.

It was de­vel­oped pri­mar­ily to an­swer calls from Lotto Soudal’s An­dre Greipel for some­thing aero­dy­nam­i­cally su­pe­rior to the Z1. The hel­met has a slat­ted cen­tral chan­nel that can be pushed open or shut with the ‘Air Slide’ – a per­fo­rated, slid­ing panel – de­pen­dent on whether aero­dy­nam­ics or ven­ti­la­tion is the pri­or­ity.

‘The Bul­let saves 16 sec­onds over 40km com­pared to the Z1 with its ven­ti­la­tion sys­tem closed, yet with it open enough air can cir­cu­late to pre­vent our rid­ers from over­heat­ing be­fore the sprint,’ says Oli Collins, se­nior Lazer brand man­ager at its UK dis­trib­u­tor Madi­son.

The time sav­ing the Bul­let claims to of­fer would be con­sid­er­able over the length of a Tour stage, yet Greipel fin­ished sec­ond on the Champs-élysées this year… maybe he for­got to close the Air Slide.

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