Flat Washer Spacers For 12mm Thru Axle Bicycle Hubs Aluminum 19mm Outer Diameter 12mm Bore 3mm Thick Set Of 4 For Wheel Conversion And Custom Builds Pro Grade Durable Aluminum Construction

Black aluminum 12mm thru-axle spacers, 19mm OD, 4-pack
✔️ Outer 19mm dia, inner 12mm bore, 3mm thick; 4 pcs aluminum

These flat washer spacers are designed for 12mm thru-axle bicycle hubs and are commonly used in wheel conversions and custom builds. They help adjust spacing on straight hub axles for precise fit and alignment.

✅ Outer diameter 19mm
✅ Inner bore 12mm
✅ Thickness 3mm
✅ Material: AA grade 6061 aluminum alloy, black anodized
✅ Pack: Set of 4 spacers

💡 What is a flat washer spacer for 12mm thru-axle bicycle hubs used for?

A handy part for adjusting wheel spacing and hub alignment on 12mm thru-axle setups. It helps with wheel conversions and custom builds by providing precise, repeatable spacers.

• 12mm thru-axle spacers for wheel conversion and custom builds
• Black anodized AA6061 aluminum, CNC machined to tight tolerances
• Matches 19mm outer diameter and 12mm bore for straight hub axles
• Pack of 4 spacers included for multiple wheels