Acerbis Chain Guide & Slider Kit KTM SX F 2016 Onwards Anodised Parts RK chains recommended OE upgrade Husqvarna TE250 TE450 TE510 RK chains recommended OE upgrade chain and sprocket kit Contains: Sprocket Rear RK B3261 53 JTR843 Afam 12204 (Out of stock) Sprocket Front RK C3039 16 JTF1263 Afam 21200 RK Chain and Sprocket Kit Box RK 428HSB 126 Heavy Duty Chain KTM YEAR 85 SX 18 19 125 XC W 17 19 125 SX 16 19 150 SX 16 19 150 XC W 17 19 250 EXC TPI 17 19 250 SX 17 19 250 SX F 16 19 300 EXC TPI 17 19 350 EXC F 17 19 350 SX F 16 19 450 EXC F 17 19 450 SX F 16 19 500 EXC F 2019 HUSQVARNA TC 85 18 19 TC 125 16 19 TE 125 17 19 FC 250 16 19 FE 250 17 19 TC 250 17 19 TE 250 i 17 19 TE 300 i 17 19 FC 350 16 19 FE 350 17 19 FC 450 16 19 FE 450 17 19 FE 501 17 19 The guide is made in two pieces: the body and the slide the latter replaceable once worn