Tripeak AOPW Derailleur Pulley Kit 12/18T

TRiPEAK Ceramic Bearing

Race Proven Performance

Molded Composite Material

For superior durability then metal ones

Directional Tension Pulley

Reduce frictional power loss

Quiet and smooth shifting performance

Compatibility

Shimano R80xx/ R70XX

Shimano R81xx/ R71XX

Shimano R91xx

Shimano R92xx

Sram Rival/ Force