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BBB RollerBoys ceramic pulley wheels (12/14t narrow/wide)
Brand:
Special Features
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12 teeth pulley. Ceramic bearings for ultra-smooth gliding and almost no resistance
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Composite material provided by EMS Swiss, with 40% glass-fiber mixture giving unmatched stiffness and precise shifting
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Color: black
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Compatible Sram MTB 12s
- 25gr the set
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