BOX Three Prime 9 Cassette - 9-Speed 11-50t Black CheckoutSpec= 30tpi Includes the Twist bike base

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

Model Hi Flow Length 80mm Color Black Valve Presta Insert Compatible Yes Package Pair

Brake caliper not included

Internal routed infinitely adjustable design

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

BOX Three Prime 9 Cassette - 9-Speed 11-50t Black CheckoutSpec= 30tpi Includes the Twist bike baseThe 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