BOX Three Prime 9 Cassette - 9-Speed 11-50t Black CheckoutSpec= 30tpi A handy tool for four

A handy tool for four piston calipers that holds back 3 of the 4 to allow for servicing and maintenance

Internal routed infinitely adjustable design

Brake caliper not included

Includes the Twist bike base for mounting to the standard braze-ons

BOX Three Prime 9 Cassette - 9-Speed 11-50t Black CheckoutSpec= 30tpi A handy tool for fourThe Box Three Prime 9 cassette is a great all around cassette option. All cogs are stamped from steel and subsequently the larger ones are pinned to alloy spiders. It also features weight reducing holes on the cogs. The Box Three Prime 9 offers ultra wide ratio with consistent progressions Prime 9 technology offers the same range as a 12 speed drivetrain with fewer gears to shift through Fewer parts reduced weight and increased durability Cogs pinned