Case hardened, chromyl steel construction
Package Dimensions: 1.016 H x 31.496 L x 29.464 W (centimetres)
Package Weight: 1.25 pounds
Country of Origin : United States Product Description
‘s Works Triplestar line of aluminum rear sprockets have been the most durable, lightweight aluminum series for over 25 years. Made from 7075-T6 aluminum and with an extra-thick hard anodized coating, users get 15-20 percentage longer life versus other options. Computer designed weight reduction holes and an exclusive tooth-valley design that provides up to 50 percentage more chain roller contact area results in the lightest, most stable aluminum sprocket possible.