TRiPEAK 12T+14T Shimano Oversized Ceramic/Steel Bearing Jockey Wheel Pulley Set for 11Speed Shimano Dura Ace/Ultegra 91xx/R80xx/R70xx Road Cyclocross Gravel Rear Derailleur - EMA-JW1214-SHCBBK

• UPC   650075971110
• 【Presenting the Best】TRiPEAK ceramic bearing offers distinguished smoothness to your paddling. Being 58% lighter and 120% harder, the pulley grants creamy chain rotation with notably less friction and noiseless. 【Oversized Pulley】12&14-Tooth oversized design with wide and narrow tooth shapes. Offering precision in chain engagement, ultra smooth performance and significantly reduced friction. 【Derailleur Compatibility】Fits SHIMANO Road Ultegra 8000/Dura Ace 9100/105 R7000 11 speed series, with the least drag ever. 【Longer and Further】Featuring extended durability and 2x longer-than-average lifespan, TRiPEAK pulleys with ceramic bearings are designed to maintain consistent performance. 【Minimum Friction, Maximum Power Transfer】Provides low friction, enabling stable chain retention, crisp shifting with the least drag. Unparalleled smoothness is guaranteed.