Shimano Ultegra pulleys feature sealed tensioner pulley and ceramic bushing on guide pulley. Both feature dust caps and rubber dust seals to keep dirt out and ensure long smooth life.

• Shimano Ultegra CN-6701 Chain
• Shimano CS-6700 Ultegra Bicycle Cassette (10-Speed)
• B001S0BOVA
• B003LHQ93G
• Shimano 10-Speed Chain Pins - 5 Per Package