NEW BOX Four Cassette - 8-Speed, 11-42t, Black brand_box Designed to be used with

Designed to be used with Eagle 12-speed derailleurs

The Planet Bike Red Zeppelin Inflator is the "Airway To Heaven" for flats

One shift lever

and decrease your stack height for the most aerodynamic fit on your bike

NEW BOX Four Cassette - 8-Speed, 11-42t, Black brand_box Designed to be used withThe BOX Four cassette adapts our Prime 9 philosophy of durability, simplicity, and reliability at a great price point. All cogs are stamped from steel, given our durable black coating and then the larger cogs are pinned to each other with spacers for easy installation. Compatible with HG freehub bodies Steel stamped cogs No spiders Wide ratio and consistent progression ED black protection Cassette Cogs: 11 13 15 18 22 28 34 42 Color: Black Cassette