BBB RollerBoys Jockey Wheels 11T – BDP-02 Composite material provided by EMS Swiss, with 40% glass-fibre mixture. Special tooth pattern for quick shifting performance. Complete set of bushings for different shifting systems included. Compatibility Campagnolo, Shimano, SRAM Material Grivory EMS Bearings CrMo Gears 9, 10, 11 speed Size 11T Narrow-Wide No Weight 23g Colour Black
