Bbb Rollerboys Jockey Wheels 12 14t

Key features:12 x 14t crmo derailleur pulleys.Narrow wide tooth profiling ensures ultimate chain retention.Composite material provided by ems swiss, with 40% glass-fibre mixture.Sealed bearings.Compatible with sram 12 spd mtb.Specificationscompatible with brandssrampart materialgrivory emsbearing materialcrmogears12 spdpulley size12 14tnarrow widetension pulley onlyweight26gcolourblack

Key features:12 x 14t crmo derailleur pulleys.Narrow wide tooth profiling ensures ultimate chain retention.Composite material provided by ems swiss, with 40% glass-fibre mixture.Sealed bearings.Compatible with