ER75

Features: ISO 14067 Certified; Reduces carbon emission, ECO-conscious; Environmentally friendly and sustainability; 100% scraped materials recovered from GW machining processed; 100% reused in bicycle component production; high purity alloy ingot from new recycling processes

Diameter Inner / Outer：29 mm / 33 mm
Height：5 / 10 / 15 / 20 mm
Weight ：3 / 6 / 9 / 12 g
Color：Anodized / Black

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