Description:

Replaces OEM Part: KTM 90210051045, 90510051045, Husqvarna 90510051045. Compatible with: KTM 2014-2018 125 Duke, 2014-2018 125 RC, 2015-2018 390 Duke, 2015-2018 390 RC, 2018 390 RC-R. Compatible with: Husqvarna 2018-2021 SVARTPILEN 401, 2018-2021 VITPILEN 401. Pitch: 520, Teeth: 45; Sprocket Material consists of SAE 1023 structural carbon steel. Hub Inner Diameter 63mm; Mounting Hole (ID) 8.5mm; Distance Between Mounting Holes (ID) 110mm.