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New Fareast Cycle Aluminium 7075 micro drive bolt drive sprocket. 

FEC 7075 Micro Drive Bolt System Sprocket

Colour: Black
    • Material: 7075 Aluminum
    • Number of Teeth:  20T, 23T and 25T
    • For Micro Drive crank arms only
    • Fit 22mm and 19mm crank spindle
    • 19mm adapter included
    • Weight: 20T(45g) / 23T(50g) / 25T(56g)
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