Flex 1: 170-250+lbs / 75-114+kg

a design enhancement that allows the skater to bypass the need to make a groove after buying the frame and ensuring maximum comfort and stability on the grind right from the first day

The Seba R1 Inline Skate Frames are the classic designed frames found on popular FR1

Recommended for intermediate to advanced skaters seeking a high level of precision and control for city skating

Asymmetrical J bars

Rollerblade Skate Axles 8mm One Sided Race Axle - RACE AXLE Rayne Flex 1: 170-250+lbs / 75-114+kgReplacement set of Rollerblade 8mm skate axles for those skates using one sided axles that thread into the frame. Meaning there is no male piece, just the one. These axles are used on many of the higher end Rollerblades and some of the urban. Works for most recent Rollerblade skate models using an 8mm one sided axle that screws into the frame : Tempest 100 and 110 Fusion 84, X5, X7, GM Twister 80, RB80 Works in Roces skate models using one sided 8mm