Alienation Starship Chainring-Black bmx-frames reaching 30 psi with 30%

reaching 30 psi with 30% less effort than standard floor pumps

Secure engagement

These Stay Strong Carbon rims are sold individually

Post weld heat treatment

Alienation Starship Chainring-Black bmx-frames reaching 30 psi with 30%The Alienation Starship Chainring Black at J&R Bicycles is built with high tech materials and design to boldy go where no chainring has gone before. Inspired by slick Trekkie design, the Starship is crafted from 12mm thick 7075 aluminum that has been CNC machined for added durability. This chainring features teeth at an 1 8" offset for improved chain alignment and has a 24mm bore with 19mm and 22mm adaptor. Push your BMX experience to the final