NICECNC 100W/Pair Motorcycle Daytime Running Lights H4 LED Headlight Bulb For KTM 520 EXC MXC Racing 525 SX EXC MXC RFS 01-2004 - AliExpress
KTM RC390 Dual High Beam LED Headlight bulb Upgrade Kit from Sport Bike Lites
Amazon.com: Replacement for KTM 500 Exc 500 Cc Year 2012 Dual Beam by Technical Precision - 35W 12V Headlight Bulb with BA20D Double Contact Bayonet Base - for Scooter, Motorcycle, and ATV - 1 Pack : Automotive
LED Headlight Bulb Kit for `14-22 KTM/HQV by Cyclops - Slavens Racing
2016 KTM 200 XC-W Headlight Bulb - Hella HS1
Cyclops 10.0 H4 LED Headlight Bulb (Street) - KTM Twins
2012 KTM 990 SMT LED Headlight Conversion Kit - LED Light Street