Deragliatore posteriore telaio in fibra di carbonio con cuscinetto in ceramica adatto
Ceramics Pulley Wheel System for SRAM Red 11S/ FORCE10S (Non Coated) Black 76g Derailleur Pulley. Compatibility: Fits 12 speed 10 to 36-tooth cassettes. For use with the 11 speed clutched derailleur fits 11-32 cassettes.