Adopted the UGNX 3D software model design.
Fast-unwinding and operating system.
Select the super strong & light nylon.

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    Model           Bearing      Gear Ratio   Line Capacity(mm/m)
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FRL-HT31            1BB            5.1:1           0.30-125
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FRL-HT41            1BB            5.1:1           0.40-120
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