Fly Racing Jump Pack Backpack-Blue/White Portable and OS2O rims are not

and OS2O rims are not compatible with Jr/Mini sized tires

All of the Avian headsets come with split bearing races for easy slip-on installation

the Rant Bang Ur Mid Bottom Bracket provides you an upgrade over your current bottom bracket kit

Junior and smaller sized frames make use of Redline's R6 formed tubing with a euro bottom bracket and 3D-type dropouts

Base when open forms a triangle of 36" x 36" x 48" (920 mm x 920 mm x 1210 mm)

Fly Racing Jump Pack Backpack-Blue/White Portable and OS2O rims are notThe Fly Racing Jump Pack Backpack Blue White features a slim contoured design that has plenty of room to store your essential gear without the bulk. Two zippered compartments, internal front pocket organizer, and internal divider all help to organize and protect your stuff so you can focus on race day. Stretch water bottle pockets on each side make staying hydrated easy and bold printed graphics on the front and straps add a little flare to this pack.