WP Supsension has been working feverishly in the R&D department and the WP AER 48 fork is now available to the public. MotoUSA recently spent a day riding the new AER 48, which is a direct replacement for the 4CS fork on newer KTM and Husqvarna MX bikes. The AER 48 air fork offers a three pound weight savings over the 4CS fork – a huge savings, especially on bikes that are already the lightest in the class. And now that we’ve seen the new KTM Factory Editions equipped with the AER 48 forks, the likelihood of the 2017 KTM SX-F models coming with the WP air fork is practically guaranteed.
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