BSD NASA Rim Color:Chrome : Runs smaller than usual

: Runs smaller than usual

Nylon clutch retention spring

4130 Chromoly heat treated arms & spindle

Redesigned internal configuration to reduce axial movement

BSD NASA Rim Color:Chrome : Runs smaller than usualThe NASA rim is designed to be stiff both laterally & radially. Based on an I beam design w extra thick tapered sidewalls, tapered spoke seats, cross over lacing & a curved inner strut. The NASA rim is constructed from space age 6066 T6 aluminum which is much stronger than the cheaper 6061 alloy traditionally used in most rims (+34% tensile strength vs 6061 T6). KEY FEATURES 6066 T6 aluminum I beam design welded rim Extra thick tapered sidewalls Extra