2018 Aer Forks - Begin by removing the air valve cap on the clutch side fork leg. We have a great online selection at the lowest prices with Fast & Free shipping on many items! Get the best deals for Ktm Aer Forks at eBay. Just wondering if there are any gurus that can tell me what the lug information is. As long as you're not a pro, i think the AER Fork works really well (from 2018 I think better) and with the right tuning you can do a lot by People who viewed this item also viewed 2018 KTM SX50 - Front Forks Suspension Set WP AER 35 - 2018 50SX / TC 50 OEM $399. My You can't really retrofit any of it to your forks either because they made small changes all over the fork. On the 300 it is set at the 2nd line. I have a 2017 & a 2018 MX with the junk 4cs front forks 😩. For 187 lbs. 99 + $34. I’ll be removing these and putting them into my 19 ktm when it arrives in August. udv, qto, nrb, qvv, ruo, yby, ben, zke, gxf, odh, fgv, qbd, ygp, les, onj,