CS-R8101 Ultegra Cassette Vendor_SRAM BOA L6 dial on instep

BOA L6 dial on instep strap quickly and comfortably secures a wide range of foot shapes

Lifting and twisting your heel can also release the pedal

Crankset SRAM Red E1 AXS

SLX BR-M7000

CS-R8101 Ultegra Cassette Vendor_SRAM BOA L6 dial on instepThe uninterrupted shifting experience of the Shimano Ultegra CS R8101 12 speed cassette range lets you climb, sprint, or cruise without stopping to think about your next gear change. Larger driving cogs maximize drivetrain efficiency and create compatibility with both Shimano 11 and 12 speed freehub bodies. Shimano HYPERGLIDE+ technology is integrated to provide seamless shifts both up and down the gear range. FEATURES: Refined 12 step gear