Designed to be a precise match for Reynolds road and gravel wheels paired with Sun Ringlé Super Bubba X Centrelock hubs, the Replacement 142mm alloy rear axle offers optimal performance and durability. Compatible with: - Reynolds Black Label EXPERT 46 / 60 Road wheels (2022+) - Reynolds Black Label EXPERT G700 / G650 gravel wheels (2022+) NOT compatible with: - Reynolds AR 46 / AR 60 Road wheels (2023+) - Reynolds G700 & G650 Gravel wheels (2022+) - Reynolds TR Trail / Enduro / XC MTB wheels (2022+) -Reynolds Black Label EXPERT Trail / Enduro / XC MTB wheels (2022+) - Reynolds Black Label EXPERT Downhill wheels (2022+) Part number: 281-37256-K005 Barcode: 844171090169 Product code: REY Z 37256-K005