Bbb Rollerboys Derailleur Pulleys 12t - 14t 12t Black

Embrace unparalleled cycling comfort with Rollerboys, ensuring an uninterrupted ride that'll have you cruising ceaselessly! Forged from resilient composite material, these pulley wheels embody enduring toughness. The innovative teeth arrangement facilitates rapid shifts to higher gears, mirroring the speed of light. An indispensable gear for dedicated bikers, RollerBoys pulley wheels pave the way for an extraordinary ride!Features: Narrow Wide tooth profiling ensures ultimate chain retention. Composite material provided by EMS Swiss, with 40% glass-fiber mixture Sealed bearings Compatible with SRAM 12-speed MTB