Motorcycle Swingarm Axle Swing Arm Pivot Shaft M16x1.5 For YZF WRF 250 450 Off-road Dirt Pit Bikes Accessories Material: Steel Fitment: Designed for YZ250F, YZ450F, WR250F, and WR450F models Screw Thread: M16x1.5 threading OEM No.: 33D-22141-00-00, compatible with Size: 249 mm by 27 mm dimensions for fitment Weight: 318 grams, offering a balance between light weight and Installation is simple due to its direct replacement design.It fits select YZF and WRF series models, making it suitable for riders looking to replace or upgrade their swing arm pivot shaft.With an OEM reference number of 33D-22141-00-00, it aligns with factory specifications for integration.The unit weighs 318 grams, contributing to manageable handling without sacrificing structural integrity. Suitable for use on WR250F, YZ250F, YZ450F, and related off-road models, this pivot shaft serves as a functional component for performance-oriented builds.Its silver finish complements the appearance of most dirt bikes while supporting mechanical.The design allows for consistent performance under stress, making it a practical option for regular maintenance or customization projects. This item is a third-party substitute.Use of brand names is limited to indicating which devices it supports.