Shimano Ultegra CS-R8101 Cassette - 12-Speed, 11-30t, Silver Bar Ends engineered for those who demand

engineered for those who demand precision and reliability in every ride

Item Length: 139

silicone tubing and multiple gridded lacing options

Stan's Dart tool refill pack includes 5 DART Refills (required DART Tool not included)

5 - 51 38 - 40 47

Shimano Ultegra CS-R8101 Cassette - 12-Speed, 11-30t, Silver Bar Ends engineered for those who demandThe Shimano Ultegra CS R8101 Cassette is engineered for high performance cycling, featuring a precise 12 speed configuration with a gear ratio of 11 30t. This wide range allows for optimized gear selection, offering a seamless transition between high speed flats and challenging climbs. Key Features: 12 Speed Compatibility: Designed for the latest 12 speed Shimano groupsets, ensuring smooth and reliable shifting performance. Gear Ratio: With a range