Aluminum alloy concave washers for M8 M10 GDH 3/8" BMX crank spindle bolts SILVER ANODIZED

Concave washers for flush mount BMX crank spindle bolts

• Fits a variety of spindle bolt sizes: 3/8" (Profile), M8 (most Taiwan), M10 (Black Widow), M12 (Profile GDH)
• Washer outer diameter: 20.5mm
• Washer inner diameter: 12.2mm
• Thickness: 5mm
• Material: Aluminum alloy
• Color: SILVER
• While these fit a variety of spindle bolt sizes, be sure to double check your crank arm and bolt head against the measurements above to be sure they will be compatible with your specific application. These will NOT fit Redline Flight cranks.

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