K8 Version 2 Knee Brace Pair Black Renthal #XS (53 54cm 20 ¾ Snowmobile #XS (53 54cm 20 ¾ 21 ¼") #S (55 56cm 21 5 8 22") #M (57 58cm 22 ½ 22 ¾") #L (59 60cm 23 ¼ 23 5 8") #XL (61 62cm 24 24 ½") #XXL (63 64cm 24 ¾ 25 1 5") 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 plus enhance comfort when kneeling That means you can buy the parts you need to service or rebuild your brace