Apico front sprockets are precision engineered from high grade steel. These are a cost effective option when compared to OEM sprockets and are compatible across a range of motocross, enduro and trials bikes. OEM 50033029013 OEM 79233029013 GAS GAS MX MC125 21-25 MC150 25- MC250 22-25 MC300 25- MC250F 21-25 MC350F 22-25 MC450F 21-25 GAS GAS ENDURO EC250 21-25 EC300 21-25 EC250F 21-25 EC350F 21-25 EC450F 24-25 EC500F 24-25 GAS GAS XC EX250 22-25 EX300 21-25 EX250F 21-25 EX350F 21-25 EX450F 21-25 KTM MX 125 SX 80-25 150 SX 08-25 250 SX 81-25 300 SX 23-25 250 SX-F 06-25 350 SX-F 11-25 400 SX-F 00-01 450 SX-F 04-25 505 SX-F 07-09 525 SX-F 06-13 KTM ENDURO 125 XC-W 17-19 150 XC-W 17-19 125 EXC 87-16 200 EXC 98-16 250 EXC 90-18 300 EXC 90-18 150 EXC TPI 20-25 250 EXC TPI 18-25 300 EXC TPI 18-25 250 EXC-F 06-25 350 EXC-F 12-25 400 EXC-F 00-13 450 EXC-F 04-25 500 EXC-F 12-25 525 EXC-F 03-13 530 EXC-F 08-11 250R FREE-RIDE 14-17 250F FREE-RIDE 18-20 350F FREE-RIDE 12-20 HUSABERG 125-570 TE/FE 09-14 HUSQVARNA MX TC 125 14-25 TC 150 25- TC 250 14-25 TC 300 25- FC 250 14-25 FC 350 14-25 FC 450 14-25 HUSQVARNA ENDURO TE 125-14-16 TE 150 17-19 TE 250 14-18 TE 300 14-18 TE 150I 20-25 TE 250I 18-25 TE 300I 18-25 FE 250 14-25 FE 350 14-25 FE 450 14-25 FE 501 14-25 HUSQVARNA XC TX 125 17-19 TX 300 17-19 TX 300I 20-25 FX 350 17-25 FX 450 17-25 BETA 125 RR 2T 18-25 200 RR 2T 19-25 250 RR 2T 13-25 300 RR 2T 13-25 350 RR 4T 11-25 390 RR 4T 15-25 400 RR 4T 05-14 430 RR 4T 15-25 450 RR 4T 05-14 480 RR 4T 15-25 498 RR 4T 12-14 500 RR 4T 17-25 520 RR 4T 10-11 525 RR 4T 05-09 250 X-TRAINER 20-25 350 X-TRAINER 15-25