12 x 12T Ceramic derailleur pulleys.High-performance composite material from EMS Swiss with 40% glass-fibre blend.Sealed bearing with aluminium cover for optimal durability.Specially lubricated with ceramic oil for lower resistance.Compatible with 12 speed
12 x 12T Ceramic derailleur pulleys.
High-performance composite material from EMS Swiss with 40% glass-fibre blend.
Sealed bearing with aluminium cover for optimal durability.
Specially lubricated with ceramic oil for lower resistance.
Compatible with 12 speed SRAM road groupsets.
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