BOX Three Prime 9 Cassette , 11-50t - Black Headset Spacers UPC: 710845787423

UPC: 710845787423

129520-Q0-L

Manufacturer Part Number: 9456

Double bolt locking mechanism

124456-Q0-L

BOX Three Prime 9 Cassette , 11-50t - Black Headset Spacers UPC: 710845787423Prime 9 Technology offers fewer gears with wider spacing to ease set up, provide a better chain line, and result in less wear and tear Ultra wide ratio with consistent progression and fits standard HG freehub bodies Box One features durable unibody construction with a lightweight internal support disc and black chrome plated protection Box Two features hardened steel cogs pinned to aluminum spiders and an ED black finish Box Three features cold rolled