Premier gives a 5 to year warranty on their helmets. 2 year standard warranty + 3 years additional. To do this, you must first register on the Premier website"
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A high-performance stall-preventing auto clutch is just a clutch pack swap away. RadiusX combines TorqDrive friction disk technology with the innovative EXP auto clutch disk. TorqDrive provides more clutch disks in...