Pulley WheelAll products of Pulley Wheel 11-11 Tooth SHIMANO SRAM Campagnolo Compatible Next » Model No EMA-JW11-SHBK11SSB / EMA-JW11-SHxx11S / EMA-JW11-SHxxMTB Catalogue Pulley Wheel Key Features Specification:Shimano - Road / MTB CompatibleShimano SRAM Campy - Road bike CompatibleShimano - MTB cycle cross CompatibleGear Tooth/Speed:11T / 11SBearing:Steel Bearing & Ceramic BearingColor:Black / Blue / Green / Red Made inTaiwan