High-quality aluminum derailleur pulleys with ceramic / standard bearings. FEATURE + 7075 aluminum derailleur pulleys+ Extra stiff for fast shifting+ High-quality sealed ceramic bearing. Super smooth and durable+ 12 tooth...
High-quality aluminum derailleur pulleys with ceramic / standard bearings. FEATURE + 7075 aluminum derailleur pulleys+ Extra stiff for fast shifting+ High-quality sealed ceramic bearing. Super smooth and durable+ 14 tooth...
