ITEM NAME:Motorcycle CNC Rear Adjuster Block Chain for YAMAHA YZ125 YZ250 YZ 250 450 J8T3 Motorcycle CNC Rear Adjuster Block Chain for YAMAHA YZ125 YZ250 YZ 250 450 J8T3 Name: Chain Adjuster Item width: 5.5 cm Item type: brake disc Project length: 8.5 cm Project diameter: 8.5 cm Product weight: 80g Surface height: 1.5 cm Decoration: For Yamaha For YZ125 / 250 02-16 For YZ250F 02-08 For YZ450F 03-08 For YZ250X 16 For YZ250FX 15-16 For WR250F 02-15 For WR250R / X 07-16 colour:blue Material:aluminum Package Contents: 1 * Chain adjuster