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Troy Lee Designs D4 Helmet Review (2024) - Is a $1100 AUD full face helmet worth it?
Used by everyone from World Champion BMX racers, to the wildest Freeride MTBers, the Troy Lee D4 helmet offers up the highest level of protection and features of just about any full face helmet on the market.
With the range making its way into Backbone, we thought we'd see what the benefits - and potential setbacks - are of the latest Troy Lee D4 full face helmet release, comparing all three options.