Cast aluminum spindles with sealed AG bearings
Genuine OEM,*Please note that the heavy duty RT/SRT will not fit any RZ Models.*
However you can upgrade your RT-Pro & SRT-Pro to the Heavy duty 4 Bearing version.
OEM # 437-0006-00, 437-0004-00 , 437-0005-00 , 437-0026-00 , 437-0027-00
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