brand: Shimano model: Spindle Spacer type: Bicycle Crankset Spindle Spacer compatibility: Compatible Shimano cranksets requiring the specified spindle spacer size and configuration material: Durable composite or metal material, depending on variant finish: Model-dependent features: Helps provide proper crankset spacing, supports correct component alignment, and assists with secure crankset installation installation: Installed on the crankset spindle according to the compatible crankset specifications use case: MTB, road bike, gravel bike, and bicycle crankset maintenance condition: Original / Genuine color: Model-dependent