s r10 shield mechanism black Size:One Size technology and design philosophies from

technology and design philosophies from the top-of-the-line Tech 10s developed in the highest and most demanding professional racing transfer down the line throughout all the boots

both inside and outside

and features a whole raft of technologies and innovations taken from Alpinestars range of adult helmets to deliver the optimal blend of performance

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s r10 shield mechanism black Size:One Size technology and design philosophies fromReplacement shield mechanism for Alpinestars S R10 Helmets.