TM MX EN 125 144 250 300 450 530 1998-2024 AS3 7075 ALUMINIUM REAR SPROCKET 520 50T BLUE colour-silver 2025-2026 Beta 390 RR X-Pro

2025-2026 Beta 390 RR X-Pro

1998-2024 TM MX 300

2004-2026 KTM 300 EXC

17910-KZ4-J00

TM MX EN 125 144 250 300 450 530 1998-2024 AS3 7075 ALUMINIUM REAR SPROCKET 520 50T BLUE colour-silver 2025-2026 Beta 390 RR X-ProAS3 Performance 7075 aluminium rear sprockets are designed and manufactured for AS3 by one of the world's leading sprocket manufacturers and have been tried and tested by some of the best riders on some of the toughest tracks in the world. They are a lightweight, durable rear sprocket and are CNC machined from high quality 7075 T6 aluminium. The sprockets feature self cleaning grooves between each tooth and have a smooth anodised finish with AS3